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cd115c0409
7299 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Thomas Weißschuh
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8518e9db9f |
const_structs.checkpatch.pl: add kobj_type
Since commit
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Linus Torvalds
|
83cd5fd014 |
Kbuild fixes for v6.2 (3rd)
- Hide LDFLAGS_vmlinux from decompressor Makefiles to fix error messages
when GNU Make 4.4 is used.
- Fix 'make modules' build error when CONFIG_DEBUG_INFO_BTF_MODULES=y.
- Fix warnings emitted by GNU Make 4.4 in scripts/kconfig/Makefile.
- Support GNU Make 4.4 for scripts/jobserver-exec.
- Show clearer error message when kernel/gen_kheaders.sh fails due to
missing cpio.
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Merge tag 'kbuild-fixes-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Hide LDFLAGS_vmlinux from decompressor Makefiles to fix error
messages when GNU Make 4.4 is used.
- Fix 'make modules' build error when CONFIG_DEBUG_INFO_BTF_MODULES=y.
- Fix warnings emitted by GNU Make 4.4 in scripts/kconfig/Makefile.
- Support GNU Make 4.4 for scripts/jobserver-exec.
- Show clearer error message when kernel/gen_kheaders.sh fails due to
missing cpio.
* tag 'kbuild-fixes-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kheaders: explicitly validate existence of cpio command
scripts: support GNU make 4.4 in jobserver-exec
kconfig: Update all declared targets
scripts: rpm: make clear that mkspec script contains 4.13 feature
init/Kconfig: fix LOCALVERSION_AUTO help text
kbuild: fix 'make modules' error when CONFIG_DEBUG_INFO_BTF_MODULES=y
kbuild: export top-level LDFLAGS_vmlinux only to scripts/Makefile.vmlinux
init/version-timestamp.c: remove unneeded #include <linux/version.h>
docs: kbuild: remove mention to dropped $(objtree) feature
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Martin Liska
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8c0089882a |
scripts: support GNU make 4.4 in jobserver-exec
Starting with GNU make 4.4, --jobserver-auth newly uses named pipe (fifo) instead of part of opened file descriptors: https://www.gnu.org/software/make/manual/html_node/POSIX-Jobserver.html Support also the new format. Signed-off-by: Martin Liska <mliska@suse.cz> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Linus Torvalds
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880ca43e5c |
kernel hardening fixes for v6.2-rc4
- Fix CFI hash randomization with KASAN (Sami Tolvanen) - Check size of coreboot table entry and use flex-array -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmPB6IwWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJgqhEACZc2ehC6DNc3JSQEbZ9H47FL6Z pnyNvi+ZkC+vxENjH6WMMjtwehWHiQJVcHNaK9eF9/7A3pq58axw3RyeeVbPmC3B E0bDjJqaknAKa9FtFdyCTXD0V1TmY/s+oHTZHUXohq9ctI+hJT3reTJ55Uo5jlyV 8aB2lvbg8Bch4BAmg7z8gd3208VL30Q3Go0mspmovYUXVCvnwe08SyROIoJZnE9+ m5IIRfVCNFrAda1DPfiNeqQcE2EnKhTT0ESwtZbQ0HS5z1zJRYjs8gaeY63iQTNn tR1mpP97RngzQ1jCfZP3dZIuYA1TLgz/px0WraYflrpnYpzJOl0XLiigXefU5lyL 7YtGb9xuu8TXMI2D+n52DlYXGRjc9I7zUMPg03y7sC4BnKX5eA6Qda4plP5kvxxp K9PSO91RkS+01nwvXCNs7ISkQ1YpayDyNxsiDIqmHx3po9QB5QniceAa5mIYR/ld v9QKzRhLELiq8cYdu+fgfSOEaY8q9+/k+kEHakfsrXoLaiK2RVw4Y++S6Fh1QIy4 R8DHdhd8j33Yws96xRhI2P+g5mVzDpdEN1TtskdO5WjefCT83R84qqJsEaklVTrI AQDSweQfF+hc+B1PkDRbCgiLeSUnPfxzwdSoy35fc9/qg/JnoQMHFrkJB2Xn2+hv KaFfgM93f1CbCW/KDg== =KwzM -----END PGP SIGNATURE----- Merge tag 'hardening-v6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening fixes from Kees Cook: - Fix CFI hash randomization with KASAN (Sami Tolvanen) - Check size of coreboot table entry and use flex-array * tag 'hardening-v6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: kbuild: Fix CFI hash randomization with KASAN firmware: coreboot: Check size of table entry and use flex-array |
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Sami Tolvanen
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42633ed852 |
kbuild: Fix CFI hash randomization with KASAN
Clang emits a asan.module_ctor constructor to each object file when KASAN is enabled, and these functions are indirectly called in do_ctors. With CONFIG_CFI_CLANG, the compiler also emits a CFI type hash before each address-taken global function so they can pass indirect call checks. However, in commit |
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Peter Foley
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aedee9e8d9 |
kconfig: Update all declared targets
Currently qconf-cfg.sh is the only script that touches the "-bin" target, even though all of the conf_cfg rules declare that they do. Make the recipe unconditionally touch all declared targets to avoid incompatibilities with upcoming versions of GNU make: https://lists.gnu.org/archive/html/info-gnu/2022-10/msg00008.html e.g. scripts/kconfig/Makefile:215: warning: pattern recipe did not update peer target 'scripts/kconfig/nconf-bin'. scripts/kconfig/Makefile:215: warning: pattern recipe did not update peer target 'scripts/kconfig/mconf-bin'. scripts/kconfig/Makefile:215: warning: pattern recipe did not update peer target 'scripts/kconfig/gconf-bin'. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Arend van Spriel
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169dd78043 |
scripts: rpm: make clear that mkspec script contains 4.13 feature
A fix was made in the mkspec script that uses a feature, ie. the
OR expression, which requires RPM 4.13. However, the script indicates
another minimum version. Lower versions may have success by using
the --no-deps option as suggested, but feels like bumping the version
to 4.13 is reasonable as it put me on the wrong track at first with
RPM 4.11 on my Centos7 machine.
Fixes:
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Masahiro Yamada
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735aec59af |
kbuild: readd -w option when vmlinux.o or Module.symver is missing
Commit |
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Masahiro Yamada
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6a5e25fc3e |
fixdep: remove unneeded <stdarg.h> inclusion
This is unneeded since commit
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Masahiro Yamada
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02a893bc99 |
kbuild: rpm-pkg: add libelf-devel as alternative for BuildRequires
Guoqing Jiang reports that openSUSE cannot compile the kernel rpm due to "BuildRequires: elfutils-libelf-devel" added by commit |
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Samuel Holland
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63ffe00d8c |
kbuild: Fix running modpost with musl libc
commit |
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Jun ASAKA
|
9c9b55a594 |
kbuild: add a missing line for help message
The help message line for building the source RPM package was missing. Added it. Signed-off-by: Jun ASAKA <JunASAKA@zzy040330.moe> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Bhaskar Chowdhury
|
da8daff940 |
kconfig: Add static text for search information in help menu
Add few static text to explain how one can bring up the search dialog box by pressing the forward slash key anywhere on this interface. Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Linus Torvalds
|
2c91ce92c6 |
modernize use of grep in coccicheck
Use "grep -E" instead of "egrep". -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnGZC8gbRfLXdcpA0F+92B3f5RZ0FAmOkuuwACgkQF+92B3f5 RZ2zEA/8CBpFlSoz9oY7QOWp+l08Zja7jHuuMrqxYAmXwMdUmwCBYXgVbInRtl78 fnD0fbzwTV4S+gpkcykzUyYC/blPHWRh2RL00To2AhJ8402f0VD6gVF/FjWMRUDx YkmJdkLBXUUg6r78M9nwIp3spMYMpD73nCSY+iX+VwL/mLgabsgDjiGLpCVtRPkd LiWm91GgzRaCBYYT7qzHMWhXqixyRTq/10/tRWhVc/Iwxq2BefoCS7VKei3K9Srh F0+ZNSjBbju5+nVMaNrUFdbM+nNz5i+DoHYpc7Fs9KpCTjKHLt3heEuFBtRuCBq/ i3hvI8PcIe6LCkCBh3Vpw0vvP+tMoIla+ZaitIqUtkQXDnh76JVyzLadWP221DX7 0z6XBlyXDyYWMO+qv1K+wU34VBN7lXbEbOH0+px0zigMb1V68aFqZULJguEFoZNx m55bX8IokSTMnlcP3PglS3vCjAoGGjHptl65Ym6ZeBQFMJPMtJmwZS0UZw92yksH sgoyzfjpHzxBgKmOMlj/yQPohf/fTnvcNq8H2YNxKx0hxQE4m9AdtsuCbm0Kgs0z MmyRvFJ5AGim9/xuzL+eb88t1B9vwUIvOqAlox3yDo7mJBuEQruexiMp0tfMZOvW XdF+ZWuAm+Iv6QQEmFnpO6CsEgDJ284wL1RITbbvRW3DR2AHGhU= =m/60 -----END PGP SIGNATURE----- Merge tag 'coccinelle-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux Pull coccicheck update from Julia Lawall: "Modernize use of grep in coccicheck: Use 'grep -E' instead of 'egrep'" * tag 'coccinelle-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: scripts: coccicheck: use "grep -E" instead of "egrep" |
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Linus Torvalds
|
6feb57c2fd |
Kbuild updates for v6.2
- Support zstd-compressed debug info
- Allow W=1 builds to detect objects shared among multiple modules
- Add srcrpm-pkg target to generate a source RPM package
- Make the -s option detection work for future GNU Make versions
- Add -Werror to KBUILD_CPPFLAGS when CONFIG_WERROR=y
- Allow W=1 builds to detect -Wundef warnings in any preprocessed files
- Raise the minimum supported version of binutils to 2.25
- Use $(intcmp ...) to compare integers if GNU Make >= 4.4 is used
- Use $(file ...) to read a file if GNU Make >= 4.2 is used
- Print error if GNU Make older than 3.82 is used
- Allow modpost to detect section mismatches with Clang LTO
- Include vmlinuz.efi into kernel tarballs for arm64 CONFIG_EFI_ZBOOT=y
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Merge tag 'kbuild-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Support zstd-compressed debug info
- Allow W=1 builds to detect objects shared among multiple modules
- Add srcrpm-pkg target to generate a source RPM package
- Make the -s option detection work for future GNU Make versions
- Add -Werror to KBUILD_CPPFLAGS when CONFIG_WERROR=y
- Allow W=1 builds to detect -Wundef warnings in any preprocessed files
- Raise the minimum supported version of binutils to 2.25
- Use $(intcmp ...) to compare integers if GNU Make >= 4.4 is used
- Use $(file ...) to read a file if GNU Make >= 4.2 is used
- Print error if GNU Make older than 3.82 is used
- Allow modpost to detect section mismatches with Clang LTO
- Include vmlinuz.efi into kernel tarballs for arm64 CONFIG_EFI_ZBOOT=y
* tag 'kbuild-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits)
buildtar: fix tarballs with EFI_ZBOOT enabled
modpost: Include '.text.*' in TEXT_SECTIONS
padata: Mark padata_work_init() as __ref
kbuild: ensure Make >= 3.82 is used
kbuild: refactor the prerequisites of the modpost rule
kbuild: change module.order to list *.o instead of *.ko
kbuild: use .NOTINTERMEDIATE for future GNU Make versions
kconfig: refactor Makefile to reduce process forks
kbuild: add read-file macro
kbuild: do not sort after reading modules.order
kbuild: add test-{ge,gt,le,lt} macros
Documentation: raise minimum supported version of binutils to 2.25
kbuild: add -Wundef to KBUILD_CPPFLAGS for W=1 builds
kbuild: move -Werror from KBUILD_CFLAGS to KBUILD_CPPFLAGS
kbuild: Port silent mode detection to future gnu make.
init/version.c: remove #include <generated/utsrelease.h>
firmware_loader: remove #include <generated/utsrelease.h>
modpost: Mark uuid_le type to be suitable only for MEI
kbuild: add ability to make source rpm buildable using koji
kbuild: warn objects shared among multiple modules
...
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Linus Torvalds
|
2f26e42455 |
LoongArch changes for v6.2
1, Switch to relative exception tables; 2, Add unaligned access support; 3, Add alternative runtime patching mechanism; 4, Add FDT booting support from efi system table; 5, Add suspend/hibernation (ACPI S3/S4) support; 6, Add basic STACKPROTECTOR support; 7, Add ftrace (function tracer) support; 8, Update the default config file. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmOZHLwWHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImege9D/0XkNpVHM/8H2JaEKT7V8PldsPb l8JIsU8UJRebcB9vOLHCfotFB3MuUakvAq6Mse+hQTGuajb9iIo3Zrpy4UG3WcEn 3UF6YwT8UZ4MBJzlJvZT8G1465xYDCnL57VsbYYmkatZYwkOhVGvwdAPWlA5l86e LoFsmAxUYdk4RtdUNrvyhKMeeVwx4WWgKEitx8vXv18G8C+tabwSro58n5x/RxBL T82Pgy2aPA58ccUvbxctzNytPlem+WKRqKKCUCRzJPeJ1O4E/DIyR6kACb9Dv5Eh GVxF6P98+KL3XckNxwNgoeY54j+NmD23z1qZJqPW8DN8gNVU3zZBNYfuEXSuff9i Ti4NuFrRtWyJHkb8Gc0zkMZV6AjnQsuO8KF9NE/Bki88g+1WbE9xrbyJkAqhGggj ddSkVs5duXxzL/10RAcyZbdG1/IsIReRifi52FYe/3QsMOAbTR3RHehv8k803ITM sXrl4KoTmfe9/tNCIP205ipXO3xw7PRjOSZtOXIMhHcAq5SLAXAw+1TbWC9xyzAL LQMIoQHA1Q+AhD4wXk3HK+8i9jzZzPsdu1/N33VEfSLLwpguQ3JDBYmw2tTmWxQR Yo3YJIj3L78FGUPFOSiKiHMsEcwh7QggSdqIcM33Y2XQPTyr5n9pZ0liclgQrl5a /jfLo1FQxCVNztChEw== =iplm -----END PGP SIGNATURE----- Merge tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Switch to relative exception tables - Add unaligned access support - Add alternative runtime patching mechanism - Add FDT booting support from efi system table - Add suspend/hibernation (ACPI S3/S4) support - Add basic STACKPROTECTOR support - Add ftrace (function tracer) support - Update the default config file * tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (24 commits) LoongArch: Update Loongson-3 default config file LoongArch: modules/ftrace: Initialize PLT at load time LoongArch/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_ARGS support LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_REGS support LoongArch/ftrace: Add dynamic function graph tracer support LoongArch/ftrace: Add dynamic function tracer support LoongArch/ftrace: Add recordmcount support LoongArch/ftrace: Add basic support LoongArch: module: Use got/plt section indices for relocations LoongArch: Add basic STACKPROTECTOR support LoongArch: Add hibernation (ACPI S4) support LoongArch: Add suspend (ACPI S3) support LoongArch: Add processing ISA Node in DeviceTree LoongArch: Add FDT booting support from efi system table LoongArch: Use alternative to optimize libraries LoongArch: Add alternative runtime patching mechanism LoongArch: Add unaligned access support LoongArch: BPF: Add BPF exception tables LoongArch: Remove the .fixup section usage ... |
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Linus Torvalds
|
5f6e430f93 |
powerpc updates for 6.2
- Add powerpc qspinlock implementation optimised for large system scalability and
paravirt. See the merge message for more details.
- Enable objtool to be built on powerpc to generate mcount locations.
- Use a temporary mm for code patching with the Radix MMU, so the writable mapping is
restricted to the patching CPU.
- Add an option to build the 64-bit big-endian kernel with the ELFv2 ABI.
- Sanitise user registers on interrupt entry on 64-bit Book3S.
- Many other small features and fixes.
Thanks to: Aboorva Devarajan, Angel Iglesias, Benjamin Gray, Bjorn Helgaas, Bo Liu, Chen
Lifu, Christoph Hellwig, Christophe JAILLET, Christophe Leroy, Christopher M. Riedl, Colin
Ian King, Deming Wang, Disha Goel, Dmitry Torokhov, Finn Thain, Geert Uytterhoeven,
Gustavo A. R. Silva, Haowen Bai, Joel Stanley, Jordan Niethe, Julia Lawall, Kajol Jain,
Laurent Dufour, Li zeming, Miaoqian Lin, Michael Jeanson, Nathan Lynch, Naveen N. Rao,
Nayna Jain, Nicholas Miehlbradt, Nicholas Piggin, Pali Rohár, Randy Dunlap, Rohan McLure,
Russell Currey, Sathvika Vasireddy, Shaomin Deng, Stephen Kitt, Stephen Rothwell, Thomas
Weißschuh, Tiezhu Yang, Uwe Kleine-König, Xie Shaowen, Xiu Jianfeng, XueBing Chen, Yang
Yingliang, Zhang Jiaming, ruanjinjie, Jessica Yu, Wolfram Sang.
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Merge tag 'powerpc-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Add powerpc qspinlock implementation optimised for large system
scalability and paravirt. See the merge message for more details
- Enable objtool to be built on powerpc to generate mcount locations
- Use a temporary mm for code patching with the Radix MMU, so the
writable mapping is restricted to the patching CPU
- Add an option to build the 64-bit big-endian kernel with the ELFv2
ABI
- Sanitise user registers on interrupt entry on 64-bit Book3S
- Many other small features and fixes
Thanks to Aboorva Devarajan, Angel Iglesias, Benjamin Gray, Bjorn
Helgaas, Bo Liu, Chen Lifu, Christoph Hellwig, Christophe JAILLET,
Christophe Leroy, Christopher M. Riedl, Colin Ian King, Deming Wang,
Disha Goel, Dmitry Torokhov, Finn Thain, Geert Uytterhoeven, Gustavo A.
R. Silva, Haowen Bai, Joel Stanley, Jordan Niethe, Julia Lawall, Kajol
Jain, Laurent Dufour, Li zeming, Miaoqian Lin, Michael Jeanson, Nathan
Lynch, Naveen N. Rao, Nayna Jain, Nicholas Miehlbradt, Nicholas Piggin,
Pali Rohár, Randy Dunlap, Rohan McLure, Russell Currey, Sathvika
Vasireddy, Shaomin Deng, Stephen Kitt, Stephen Rothwell, Thomas
Weißschuh, Tiezhu Yang, Uwe Kleine-König, Xie Shaowen, Xiu Jianfeng,
XueBing Chen, Yang Yingliang, Zhang Jiaming, ruanjinjie, Jessica Yu,
and Wolfram Sang.
* tag 'powerpc-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (181 commits)
powerpc/code-patching: Fix oops with DEBUG_VM enabled
powerpc/qspinlock: Fix 32-bit build
powerpc/prom: Fix 32-bit build
powerpc/rtas: mandate RTAS syscall filtering
powerpc/rtas: define pr_fmt and convert printk call sites
powerpc/rtas: clean up includes
powerpc/rtas: clean up rtas_error_log_max initialization
powerpc/pseries/eeh: use correct API for error log size
powerpc/rtas: avoid scheduling in rtas_os_term()
powerpc/rtas: avoid device tree lookups in rtas_os_term()
powerpc/rtasd: use correct OF API for event scan rate
powerpc/rtas: document rtas_call()
powerpc/pseries: unregister VPA when hot unplugging a CPU
powerpc/pseries: reset the RCU watchdogs after a LPM
powerpc: Take in account addition CPU node when building kexec FDT
powerpc: export the CPU node count
powerpc/cpuidle: Set CPUIDLE_FLAG_POLLING for snooze state
powerpc/dts/fsl: Fix pca954x i2c-mux node names
cxl: Remove unnecessary cxl_pci_window_alignment()
selftests/powerpc: Fix resource leaks
...
|
||
Veronika Kabatova
|
731c4eac84 |
buildtar: fix tarballs with EFI_ZBOOT enabled
When CONFIG_EFI_ZBOOT is enabled, the binary name is not Image.gz anymore but vmlinuz.efi. No vmlinuz gets put into the tarball as the buildtar script doesn't recognize this name. Remedy this by adding the binary name to the list of acceptable files to package. Reported-by: CKI Project <cki-project@redhat.com> Signed-off-by: Veronika Kabatova <vkabatov@redhat.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
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Linus Torvalds
|
ba54ff1fb6 |
Char/Misc driver changes for 6.2-rc1
Here is the large set of char/misc and other driver subsystem changes for 6.2-rc1. Nothing earth-shattering in here at all, just a lot of new driver development and minor fixes. Highlights include: - fastrpc driver updates - iio new drivers and updates - habanalabs driver updates for new hardware and features - slimbus driver updates - speakup module parameters added to aid in boot time configuration - i2c probe_new conversions for lots of different drivers - other small driver fixes and additions One semi-interesting change in here is the increase of the number of misc dynamic minors available to 1048448 to handle new huge-cpu systems. All of these have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCY5wrdw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykSDgCdHjUHS62/UnKdB9rLtyAOFxS/6DgAn2X4Unf8 RN8Mn2mUIiBzyu5p+Zc7 =tK3S -----END PGP SIGNATURE----- Merge tag 'char-misc-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the large set of char/misc and other driver subsystem changes for 6.2-rc1. Nothing earth-shattering in here at all, just a lot of new driver development and minor fixes. Highlights include: - fastrpc driver updates - iio new drivers and updates - habanalabs driver updates for new hardware and features - slimbus driver updates - speakup module parameters added to aid in boot time configuration - i2c probe_new conversions for lots of different drivers - other small driver fixes and additions One semi-interesting change in here is the increase of the number of misc dynamic minors available to 1048448 to handle new huge-cpu systems. All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (521 commits) extcon: usbc-tusb320: Convert to i2c's .probe_new() extcon: rt8973: Convert to i2c's .probe_new() extcon: fsa9480: Convert to i2c's .probe_new() extcon: max77843: Replace irqchip mask_invert with unmask_base chardev: fix error handling in cdev_device_add() mcb: mcb-parse: fix error handing in chameleon_parse_gdd() drivers: mcb: fix resource leak in mcb_probe() coresight: etm4x: fix repeated words in comments coresight: cti: Fix null pointer error on CTI init before ETM coresight: trbe: remove cpuhp instance node before remove cpuhp state counter: stm32-lptimer-cnt: fix the check on arr and cmp registers update misc: fastrpc: Add dma_mask to fastrpc_channel_ctx misc: fastrpc: Add mmap request assigning for static PD pool misc: fastrpc: Safekeep mmaps on interrupted invoke misc: fastrpc: Add support for audiopd misc: fastrpc: Rework fastrpc_req_munmap misc: fastrpc: Use fastrpc_map_put in fastrpc_map_create on fail misc: fastrpc: Add fastrpc_remote_heap_alloc misc: fastrpc: Add reserved mem support misc: fastrpc: Rename audio protection domain to root ... |
||
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Linus Torvalds
|
eb67d239f3 |
RISC-V Patches for the 6.2 Merge Window, Part 1
* Support for the T-Head PMU via the perf subsystem. * ftrace support for rv32. * Support for non-volatile memory devices. * Various fixes and cleanups. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmOZ6WsTHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiWGcD/wLGiHq3ekQhl5D+CaA1WlJ5XzQFfY2 bv1ZCZGdjuiv66jiMlmEsbpfUCk3bSAIjCO3MHQNDmTuPJztCHVJXOHbZFWItzzO soW4nXHKW1sGHa7hDLGQUPkltA48OdPoyqEDvlnpyEWFT+2xHwdFEURWE85FXGeq ZzFSKUQqX/V52n9TS4M4QtmNnQatR3TgIs8ttzD4JqwWFBbp4/iBfIGt6n3W24XH 9lKWikO4YOYUPl0KVIakM4d8NmX7g+7vhCKWavLke1fF/IQOlyWwA0eM8ryj33OG L1nFkqfF3mCw9i72WHftlc0rAgVqcYS8ntnQkPNpt2zPp3xFjDwEy+XiZrRE+sAp m5Ma2Tkw7G3ueBtXwP1yo+EKa7PrVFbCRD/rEpLJAC6+9ktvc7cYs39E08O+wrwT qkYThDolovqMOqfOq6afEGy5lfIa5U00vxK+3MXiE3eLEjHSJhwTXadUbwyMjJWE zOwA6p5NfDFzklESSNTtIBY85Zlh/g2q6GWCy7yBQnlaSdbpDxcnAlSZipq66Iqm 9ytdZiHid4BIRQxr5qyXTB184BvFnWNRs9NGhCj38uLEnuxwSChzwoh/WPDxLNte U9ouvwJO5U2qAZsMGJhY8W2s/9WvWpSqRhSMA/nnNV1Hh+URFz8rFXAln6kNn//v j+cYGCyjLnO1hg== =4Ak2 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-6.2-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support for the T-Head PMU via the perf subsystem - ftrace support for rv32 - Support for non-volatile memory devices - Various fixes and cleanups * tag 'riscv-for-linus-6.2-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (52 commits) Documentation: RISC-V: patch-acceptance: s/implementor/implementer Documentation: RISC-V: Mention the UEFI Standards Documentation: RISC-V: Allow patches for non-standard behavior Documentation: RISC-V: Fix a typo in patch-acceptance riscv: Fixup compile error with !MMU riscv: Fix P4D_SHIFT definition for 3-level page table mode riscv: Apply a static assert to riscv_isa_ext_id RISC-V: Add some comments about the shadow and overflow stacks RISC-V: Align the shadow stack RISC-V: Ensure Zicbom has a valid block size RISC-V: Introduce riscv_isa_extension_check RISC-V: Improve use of isa2hwcap[] riscv: Don't duplicate _ALTERNATIVE_CFG* macros riscv: alternatives: Drop the underscores from the assembly macro names riscv: alternatives: Don't name unused macro parameters riscv: Don't duplicate __ALTERNATIVE_CFG in __ALTERNATIVE_CFG_2 riscv: mm: call best_map_size many times during linear-mapping riscv: Move cast inside kernel_mapping_[pv]a_to_[vp]a riscv: Fix crash during early errata patching riscv: boot: add zstd support ... |
||
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Linus Torvalds
|
94a855111e |
- Add the call depth tracking mitigation for Retbleed which has
been long in the making. It is a lighterweight software-only fix for Skylake-based cores where enabling IBRS is a big hammer and causes a significant performance impact. What it basically does is, it aligns all kernel functions to 16 bytes boundary and adds a 16-byte padding before the function, objtool collects all functions' locations and when the mitigation gets applied, it patches a call accounting thunk which is used to track the call depth of the stack at any time. When that call depth reaches a magical, microarchitecture-specific value for the Return Stack Buffer, the code stuffs that RSB and avoids its underflow which could otherwise lead to the Intel variant of Retbleed. This software-only solution brings a lot of the lost performance back, as benchmarks suggest: https://lore.kernel.org/all/20220915111039.092790446@infradead.org/ That page above also contains a lot more detailed explanation of the whole mechanism - Implement a new control flow integrity scheme called FineIBT which is based on the software kCFI implementation and uses hardware IBT support where present to annotate and track indirect branches using a hash to validate them - Other misc fixes and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmOZp5EACgkQEsHwGGHe VUrZFxAAvi/+8L0IYSK4mKJvixGbTFjxN/Swo2JVOfs34LqGUT6JaBc+VUMwZxdb VMTFIZ3ttkKEodjhxGI7oGev6V8UfhI37SmO2lYKXpQVjXXnMlv/M+Vw3teE38CN gopi+xtGnT1IeWQ3tc/Tv18pleJ0mh5HKWiW+9KoqgXj0wgF9x4eRYDz1TDCDA/A iaBzs56j8m/FSykZHnrWZ/MvjKNPdGlfJASUCPeTM2dcrXQGJ93+X2hJctzDte0y Nuiw6Y0htfFBE7xoJn+sqm5Okr+McoUM18/CCprbgSKYk18iMYm3ZtAi6FUQZS1A ua4wQCf49loGp15PO61AS5d3OBf5D3q/WihQRbCaJvTVgPp9sWYnWwtcVUuhMllh ZQtBU9REcVJ/22bH09Q9CjBW0VpKpXHveqQdqRDViLJ6v/iI6EFGmD24SW/VxyRd 73k9MBGrL/dOf1SbEzdsnvcSB3LGzp0Om8o/KzJWOomrVKjBCJy16bwTEsCZEJmP i406m92GPXeaN1GhTko7vmF0GnkEdJs1GVCZPluCAxxbhHukyxHnrjlQjI4vC80n Ylc0B3Kvitw7LGJsPqu+/jfNHADC/zhx1qz/30wb5cFmFbN1aRdp3pm8JYUkn+l/ zri2Y6+O89gvE/9/xUhMohzHsWUO7xITiBavewKeTP9GSWybWUs= =cRy1 -----END PGP SIGNATURE----- Merge tag 'x86_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 core updates from Borislav Petkov: - Add the call depth tracking mitigation for Retbleed which has been long in the making. It is a lighterweight software-only fix for Skylake-based cores where enabling IBRS is a big hammer and causes a significant performance impact. What it basically does is, it aligns all kernel functions to 16 bytes boundary and adds a 16-byte padding before the function, objtool collects all functions' locations and when the mitigation gets applied, it patches a call accounting thunk which is used to track the call depth of the stack at any time. When that call depth reaches a magical, microarchitecture-specific value for the Return Stack Buffer, the code stuffs that RSB and avoids its underflow which could otherwise lead to the Intel variant of Retbleed. This software-only solution brings a lot of the lost performance back, as benchmarks suggest: https://lore.kernel.org/all/20220915111039.092790446@infradead.org/ That page above also contains a lot more detailed explanation of the whole mechanism - Implement a new control flow integrity scheme called FineIBT which is based on the software kCFI implementation and uses hardware IBT support where present to annotate and track indirect branches using a hash to validate them - Other misc fixes and cleanups * tag 'x86_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (80 commits) x86/paravirt: Use common macro for creating simple asm paravirt functions x86/paravirt: Remove clobber bitmask from .parainstructions x86/debug: Include percpu.h in debugreg.h to get DECLARE_PER_CPU() et al x86/cpufeatures: Move X86_FEATURE_CALL_DEPTH from bit 18 to bit 19 of word 11, to leave space for WIP X86_FEATURE_SGX_EDECCSSA bit x86/Kconfig: Enable kernel IBT by default x86,pm: Force out-of-line memcpy() objtool: Fix weak hole vs prefix symbol objtool: Optimize elf_dirty_reloc_sym() x86/cfi: Add boot time hash randomization x86/cfi: Boot time selection of CFI scheme x86/ibt: Implement FineIBT objtool: Add --cfi to generate the .cfi_sites section x86: Add prefix symbols for function padding objtool: Add option to generate prefix symbols objtool: Avoid O(bloody terrible) behaviour -- an ode to libelf objtool: Slice up elf_create_section_symbol() kallsyms: Revert "Take callthunks into account" x86: Unconfuse CONFIG_ and X86_FEATURE_ namespaces x86/retpoline: Fix crash printing warning x86/paravirt: Fix a !PARAVIRT build warning ... |
||
|
Linus Torvalds
|
48ea09cdda |
hardening updates for v6.2-rc1
- Convert flexible array members, fix -Wstringop-overflow warnings,
and fix KCFI function type mismatches that went ignored by
maintainers (Gustavo A. R. Silva, Nathan Chancellor, Kees Cook).
- Remove the remaining side-effect users of ksize() by converting
dma-buf, btrfs, and coredump to using kmalloc_size_roundup(),
add more __alloc_size attributes, and introduce full testing
of all allocator functions. Finally remove the ksize() side-effect
so that each allocation-aware checker can finally behave without
exceptions.
- Introduce oops_limit (default 10,000) and warn_limit (default off)
to provide greater granularity of control for panic_on_oops and
panic_on_warn (Jann Horn, Kees Cook).
- Introduce overflows_type() and castable_to_type() helpers for
cleaner overflow checking.
- Improve code generation for strscpy() and update str*() kern-doc.
- Convert strscpy and sigphash tests to KUnit, and expand memcpy
tests.
- Always use a non-NULL argument for prepare_kernel_cred().
- Disable structleak plugin in FORTIFY KUnit test (Anders Roxell).
- Adjust orphan linker section checking to respect CONFIG_WERROR
(Xin Li).
- Make sure siginfo is cleared for forced SIGKILL (haifeng.xu).
- Fix um vs FORTIFY warnings for always-NULL arguments.
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Merge tag 'hardening-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kernel hardening updates from Kees Cook:
- Convert flexible array members, fix -Wstringop-overflow warnings, and
fix KCFI function type mismatches that went ignored by maintainers
(Gustavo A. R. Silva, Nathan Chancellor, Kees Cook)
- Remove the remaining side-effect users of ksize() by converting
dma-buf, btrfs, and coredump to using kmalloc_size_roundup(), add
more __alloc_size attributes, and introduce full testing of all
allocator functions. Finally remove the ksize() side-effect so that
each allocation-aware checker can finally behave without exceptions
- Introduce oops_limit (default 10,000) and warn_limit (default off) to
provide greater granularity of control for panic_on_oops and
panic_on_warn (Jann Horn, Kees Cook)
- Introduce overflows_type() and castable_to_type() helpers for cleaner
overflow checking
- Improve code generation for strscpy() and update str*() kern-doc
- Convert strscpy and sigphash tests to KUnit, and expand memcpy tests
- Always use a non-NULL argument for prepare_kernel_cred()
- Disable structleak plugin in FORTIFY KUnit test (Anders Roxell)
- Adjust orphan linker section checking to respect CONFIG_WERROR (Xin
Li)
- Make sure siginfo is cleared for forced SIGKILL (haifeng.xu)
- Fix um vs FORTIFY warnings for always-NULL arguments
* tag 'hardening-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (31 commits)
ksmbd: replace one-element arrays with flexible-array members
hpet: Replace one-element array with flexible-array member
um: virt-pci: Avoid GCC non-NULL warning
signal: Initialize the info in ksignal
lib: fortify_kunit: build without structleak plugin
panic: Expose "warn_count" to sysfs
panic: Introduce warn_limit
panic: Consolidate open-coded panic_on_warn checks
exit: Allow oops_limit to be disabled
exit: Expose "oops_count" to sysfs
exit: Put an upper limit on how often we can oops
panic: Separate sysctl logic from CONFIG_SMP
mm/pgtable: Fix multiple -Wstringop-overflow warnings
mm: Make ksize() a reporting-only function
kunit/fortify: Validate __alloc_size attribute results
drm/sti: Fix return type of sti_{dvo,hda,hdmi}_connector_mode_valid()
drm/fsl-dcu: Fix return type of fsl_dcu_drm_connector_mode_valid()
driver core: Add __alloc_size hint to devm allocators
overflow: Introduce overflows_type() and castable_to_type()
coredump: Proactively round up to kmalloc bucket size
...
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Linus Torvalds
|
08cdc21579 |
iommufd for 6.2
iommufd is the user API to control the IOMMU subsystem as it relates to managing IO page tables that point at user space memory. It takes over from drivers/vfio/vfio_iommu_type1.c (aka the VFIO container) which is the VFIO specific interface for a similar idea. We see a broad need for extended features, some being highly IOMMU device specific: - Binding iommu_domain's to PASID/SSID - Userspace IO page tables, for ARM, x86 and S390 - Kernel bypassed invalidation of user page tables - Re-use of the KVM page table in the IOMMU - Dirty page tracking in the IOMMU - Runtime Increase/Decrease of IOPTE size - PRI support with faults resolved in userspace Many of these HW features exist to support VM use cases - for instance the combination of PASID, PRI and Userspace IO Page Tables allows an implementation of DMA Shared Virtual Addressing (vSVA) within a guest. Dirty tracking enables VM live migration with SRIOV devices and PASID support allow creating "scalable IOV" devices, among other things. As these features are fundamental to a VM platform they need to be uniformly exposed to all the driver families that do DMA into VMs, which is currently VFIO and VDPA. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCY5ct7wAKCRCFwuHvBreF YZZ5AQDciXfcgXLt0UBEmWupNb0f/asT6tk717pdsKm8kAZMNAEAsIyLiKT5HqGl s7fAu+CQ1pr9+9NKGevD+frw8Solsw4= =jJkd -----END PGP SIGNATURE----- Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd Pull iommufd implementation from Jason Gunthorpe: "iommufd is the user API to control the IOMMU subsystem as it relates to managing IO page tables that point at user space memory. It takes over from drivers/vfio/vfio_iommu_type1.c (aka the VFIO container) which is the VFIO specific interface for a similar idea. We see a broad need for extended features, some being highly IOMMU device specific: - Binding iommu_domain's to PASID/SSID - Userspace IO page tables, for ARM, x86 and S390 - Kernel bypassed invalidation of user page tables - Re-use of the KVM page table in the IOMMU - Dirty page tracking in the IOMMU - Runtime Increase/Decrease of IOPTE size - PRI support with faults resolved in userspace Many of these HW features exist to support VM use cases - for instance the combination of PASID, PRI and Userspace IO Page Tables allows an implementation of DMA Shared Virtual Addressing (vSVA) within a guest. Dirty tracking enables VM live migration with SRIOV devices and PASID support allow creating "scalable IOV" devices, among other things. As these features are fundamental to a VM platform they need to be uniformly exposed to all the driver families that do DMA into VMs, which is currently VFIO and VDPA" For more background, see the extended explanations in Jason's pull request: https://lore.kernel.org/lkml/Y5dzTU8dlmXTbzoJ@nvidia.com/ * tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (62 commits) iommufd: Change the order of MSI setup iommufd: Improve a few unclear bits of code iommufd: Fix comment typos vfio: Move vfio group specific code into group.c vfio: Refactor dma APIs for emulated devices vfio: Wrap vfio group module init/clean code into helpers vfio: Refactor vfio_device open and close vfio: Make vfio_device_open() truly device specific vfio: Swap order of vfio_device_container_register() and open_device() vfio: Set device->group in helper function vfio: Create wrappers for group register/unregister vfio: Move the sanity check of the group to vfio_create_group() vfio: Simplify vfio_create_group() iommufd: Allow iommufd to supply /dev/vfio/vfio vfio: Make vfio_container optionally compiled vfio: Move container related MODULE_ALIAS statements into container.c vfio-iommufd: Support iommufd for emulated VFIO devices vfio-iommufd: Support iommufd for physical VFIO devices vfio-iommufd: Allow iommufd to be used in place of a container fd vfio: Use IOMMU_CAP_ENFORCE_CACHE_COHERENCY for vfio_file_enforced_coherent() ... |
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Nathan Chancellor
|
19331e84c3 |
modpost: Include '.text.*' in TEXT_SECTIONS
Commit
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||
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Masahiro Yamada
|
3d57e1b7b1 |
kbuild: refactor the prerequisites of the modpost rule
The prerequisites of modpost are cluttered. The variables *-if-present and *-if-needed are unreadable. It is cleaner to append them into modpost-deps. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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Masahiro Yamada
|
f65a486821 |
kbuild: change module.order to list *.o instead of *.ko
scripts/Makefile.build replaces the suffix .o with .ko, then scripts/Makefile.modpost calls the sed command to change .ko back to the original .o suffix. Instead of converting the suffixes back-and-forth, store the .o paths in modules.order, and replace it with .ko in 'make modules_install'. This avoids the unneeded sed command. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> |
||
Qing Zhang
|
a0a458fbd6 |
LoongArch/ftrace: Add recordmcount support
Recordmcount utility under scripts is run, after compiling each object, to find out all the locations of calling _mcount() and put them into specific seciton named __mcount_loc. Then the linker collects all such information into a table in the kernel image (between __start_mcount_loc and __stop_mcount_loc) for later use by ftrace. This patch adds LoongArch specific definitions to identify such locations. And on LoongArch, only the C version is used to build the kernel now that CONFIG_HAVE_C_RECORDMCOUNT is on. Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Qing Zhang <zhangqing@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
Youling Tang
|
26bc824412 |
LoongArch: extable: Add type and data fields
This is a LoongArch port of commit
|
||
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Youling Tang
|
3d36f4298b |
LoongArch: Switch to relative exception tables
Similar to other architectures such as arm64, x86, riscv and so on, use
offsets relative to the exception table entry values rather than their
absolute addresses for both the exception location and the fixup.
However, LoongArch label difference because it will actually produce two
relocations, a pair of R_LARCH_ADD32 and R_LARCH_SUB32. Take simple code
below for example:
$ cat test_ex_table.S
.section .text
1:
nop
.section __ex_table,"a"
.balign 4
.long (1b - .)
.previous
$ loongarch64-unknown-linux-gnu-gcc -c test_ex_table.S
$ loongarch64-unknown-linux-gnu-readelf -Wr test_ex_table.o
Relocation section '.rela__ex_table' at offset 0x100 contains 2 entries:
Offset Info Type Symbol's Value Symbol's Name + Addend
0000000000000000 0000000600000032 R_LARCH_ADD32 0000000000000000 .L1^B1 + 0
0000000000000000 0000000500000037 R_LARCH_SUB32 0000000000000000 L0^A + 0
The modpost will complain the R_LARCH_SUB32 relocation, so we need to
patch modpost.c to skip this relocation for .rela__ex_table section.
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
|
||
|
Linus Torvalds
|
7e68dd7d07 |
Networking changes for 6.2.
Core
----
- Allow live renaming when an interface is up
- Add retpoline wrappers for tc, improving considerably the
performances of complex queue discipline configurations.
- Add inet drop monitor support.
- A few GRO performance improvements.
- Add infrastructure for atomic dev stats, addressing long standing
data races.
- De-duplicate common code between OVS and conntrack offloading
infrastructure.
- A bunch of UBSAN_BOUNDS/FORTIFY_SOURCE improvements.
- Netfilter: introduce packet parser for tunneled packets
- Replace IPVS timer-based estimators with kthreads to scale up
the workload with the number of available CPUs.
- Add the helper support for connection-tracking OVS offload.
BPF
---
- Support for user defined BPF objects: the use case is to allocate
own objects, build own object hierarchies and use the building
blocks to build own data structures flexibly, for example, linked
lists in BPF.
- Make cgroup local storage available to non-cgroup attached BPF
programs.
- Avoid unnecessary deadlock detection and failures wrt BPF task
storage helpers.
- A relevant bunch of BPF verifier fixes and improvements.
- Veristat tool improvements to support custom filtering, sorting,
and replay of results.
- Add LLVM disassembler as default library for dumping JITed code.
- Lots of new BPF documentation for various BPF maps.
- Add bpf_rcu_read_{,un}lock() support for sleepable programs.
- Add RCU grace period chaining to BPF to wait for the completion
of access from both sleepable and non-sleepable BPF programs.
- Add support storing struct task_struct objects as kptrs in maps.
- Improve helper UAPI by explicitly defining BPF_FUNC_xxx integer
values.
- Add libbpf *_opts API-variants for bpf_*_get_fd_by_id() functions.
Protocols
---------
- TCP: implement Protective Load Balancing across switch links.
- TCP: allow dynamically disabling TCP-MD5 static key, reverting
back to fast[er]-path.
- UDP: Introduce optional per-netns hash lookup table.
- IPv6: simplify and cleanup sockets disposal.
- Netlink: support different type policies for each generic
netlink operation.
- MPTCP: add MSG_FASTOPEN and FastOpen listener side support.
- MPTCP: add netlink notification support for listener sockets
events.
- SCTP: add VRF support, allowing sctp sockets binding to VRF
devices.
- Add bridging MAC Authentication Bypass (MAB) support.
- Extensions for Ethernet VPN bridging implementation to better
support multicast scenarios.
- More work for Wi-Fi 7 support, comprising conversion of all
the existing drivers to internal TX queue usage.
- IPSec: introduce a new offload type (packet offload) allowing
complete header processing and crypto offloading.
- IPSec: extended ack support for more descriptive XFRM error
reporting.
- RXRPC: increase SACK table size and move processing into a
per-local endpoint kernel thread, reducing considerably the
required locking.
- IEEE 802154: synchronous send frame and extended filtering
support, initial support for scanning available 15.4 networks.
- Tun: bump the link speed from 10Mbps to 10Gbps.
- Tun/VirtioNet: implement UDP segmentation offload support.
Driver API
----------
- PHY/SFP: improve power level switching between standard
level 1 and the higher power levels.
- New API for netdev <-> devlink_port linkage.
- PTP: convert existing drivers to new frequency adjustment
implementation.
- DSA: add support for rx offloading.
- Autoload DSA tagging driver when dynamically changing protocol.
- Add new PCP and APPTRUST attributes to Data Center Bridging.
- Add configuration support for 800Gbps link speed.
- Add devlink port function attribute to enable/disable RoCE and
migratable.
- Extend devlink-rate to support strict prioriry and weighted fair
queuing.
- Add devlink support to directly reading from region memory.
- New device tree helper to fetch MAC address from nvmem.
- New big TCP helper to simplify temporary header stripping.
New hardware / drivers
----------------------
- Ethernet:
- Marvel Octeon CNF95N and CN10KB Ethernet Switches.
- Marvel Prestera AC5X Ethernet Switch.
- WangXun 10 Gigabit NIC.
- Motorcomm yt8521 Gigabit Ethernet.
- Microchip ksz9563 Gigabit Ethernet Switch.
- Microsoft Azure Network Adapter.
- Linux Automation 10Base-T1L adapter.
- PHY:
- Aquantia AQR112 and AQR412.
- Motorcomm YT8531S.
- PTP:
- Orolia ART-CARD.
- WiFi:
- MediaTek Wi-Fi 7 (802.11be) devices.
- RealTek rtw8821cu, rtw8822bu, rtw8822cu and rtw8723du USB
devices.
- Bluetooth:
- Broadcom BCM4377/4378/4387 Bluetooth chipsets.
- Realtek RTL8852BE and RTL8723DS.
- Cypress.CYW4373A0 WiFi + Bluetooth combo device.
Drivers
-------
- CAN:
- gs_usb: bus error reporting support.
- kvaser_usb: listen only and bus error reporting support.
- Ethernet NICs:
- Intel (100G):
- extend action skbedit to RX queue mapping.
- implement devlink-rate support.
- support direct read from memory.
- nVidia/Mellanox (mlx5):
- SW steering improvements, increasing rules update rate.
- Support for enhanced events compression.
- extend H/W offload packet manipulation capabilities.
- implement IPSec packet offload mode.
- nVidia/Mellanox (mlx4):
- better big TCP support.
- Netronome Ethernet NICs (nfp):
- IPsec offload support.
- add support for multicast filter.
- Broadcom:
- RSS and PTP support improvements.
- AMD/SolarFlare:
- netlink extened ack improvements.
- add basic flower matches to offload, and related stats.
- Virtual NICs:
- ibmvnic: introduce affinity hint support.
- small / embedded:
- FreeScale fec: add initial XDP support.
- Marvel mv643xx_eth: support MII/GMII/RGMII modes for Kirkwood.
- TI am65-cpsw: add suspend/resume support.
- Mediatek MT7986: add RX wireless wthernet dispatch support.
- Realtek 8169: enable GRO software interrupt coalescing per
default.
- Ethernet high-speed switches:
- Microchip (sparx5):
- add support for Sparx5 TC/flower H/W offload via VCAP.
- Mellanox mlxsw:
- add 802.1X and MAC Authentication Bypass offload support.
- add ip6gre support.
- Embedded Ethernet switches:
- Mediatek (mtk_eth_soc):
- improve PCS implementation, add DSA untag support.
- enable flow offload support.
- Renesas:
- add rswitch R-Car Gen4 gPTP support.
- Microchip (lan966x):
- add full XDP support.
- add TC H/W offload via VCAP.
- enable PTP on bridge interfaces.
- Microchip (ksz8):
- add MTU support for KSZ8 series.
- Qualcomm 802.11ax WiFi (ath11k):
- support configuring channel dwell time during scan.
- MediaTek WiFi (mt76):
- enable Wireless Ethernet Dispatch (WED) offload support.
- add ack signal support.
- enable coredump support.
- remain_on_channel support.
- Intel WiFi (iwlwifi):
- enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities.
- 320 MHz channels support.
- RealTek WiFi (rtw89):
- new dynamic header firmware format support.
- wake-over-WLAN support.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core:
- Allow live renaming when an interface is up
- Add retpoline wrappers for tc, improving considerably the
performances of complex queue discipline configurations
- Add inet drop monitor support
- A few GRO performance improvements
- Add infrastructure for atomic dev stats, addressing long standing
data races
- De-duplicate common code between OVS and conntrack offloading
infrastructure
- A bunch of UBSAN_BOUNDS/FORTIFY_SOURCE improvements
- Netfilter: introduce packet parser for tunneled packets
- Replace IPVS timer-based estimators with kthreads to scale up the
workload with the number of available CPUs
- Add the helper support for connection-tracking OVS offload
BPF:
- Support for user defined BPF objects: the use case is to allocate
own objects, build own object hierarchies and use the building
blocks to build own data structures flexibly, for example, linked
lists in BPF
- Make cgroup local storage available to non-cgroup attached BPF
programs
- Avoid unnecessary deadlock detection and failures wrt BPF task
storage helpers
- A relevant bunch of BPF verifier fixes and improvements
- Veristat tool improvements to support custom filtering, sorting,
and replay of results
- Add LLVM disassembler as default library for dumping JITed code
- Lots of new BPF documentation for various BPF maps
- Add bpf_rcu_read_{,un}lock() support for sleepable programs
- Add RCU grace period chaining to BPF to wait for the completion of
access from both sleepable and non-sleepable BPF programs
- Add support storing struct task_struct objects as kptrs in maps
- Improve helper UAPI by explicitly defining BPF_FUNC_xxx integer
values
- Add libbpf *_opts API-variants for bpf_*_get_fd_by_id() functions
Protocols:
- TCP: implement Protective Load Balancing across switch links
- TCP: allow dynamically disabling TCP-MD5 static key, reverting back
to fast[er]-path
- UDP: Introduce optional per-netns hash lookup table
- IPv6: simplify and cleanup sockets disposal
- Netlink: support different type policies for each generic netlink
operation
- MPTCP: add MSG_FASTOPEN and FastOpen listener side support
- MPTCP: add netlink notification support for listener sockets events
- SCTP: add VRF support, allowing sctp sockets binding to VRF devices
- Add bridging MAC Authentication Bypass (MAB) support
- Extensions for Ethernet VPN bridging implementation to better
support multicast scenarios
- More work for Wi-Fi 7 support, comprising conversion of all the
existing drivers to internal TX queue usage
- IPSec: introduce a new offload type (packet offload) allowing
complete header processing and crypto offloading
- IPSec: extended ack support for more descriptive XFRM error
reporting
- RXRPC: increase SACK table size and move processing into a
per-local endpoint kernel thread, reducing considerably the
required locking
- IEEE 802154: synchronous send frame and extended filtering support,
initial support for scanning available 15.4 networks
- Tun: bump the link speed from 10Mbps to 10Gbps
- Tun/VirtioNet: implement UDP segmentation offload support
Driver API:
- PHY/SFP: improve power level switching between standard level 1 and
the higher power levels
- New API for netdev <-> devlink_port linkage
- PTP: convert existing drivers to new frequency adjustment
implementation
- DSA: add support for rx offloading
- Autoload DSA tagging driver when dynamically changing protocol
- Add new PCP and APPTRUST attributes to Data Center Bridging
- Add configuration support for 800Gbps link speed
- Add devlink port function attribute to enable/disable RoCE and
migratable
- Extend devlink-rate to support strict prioriry and weighted fair
queuing
- Add devlink support to directly reading from region memory
- New device tree helper to fetch MAC address from nvmem
- New big TCP helper to simplify temporary header stripping
New hardware / drivers:
- Ethernet:
- Marvel Octeon CNF95N and CN10KB Ethernet Switches
- Marvel Prestera AC5X Ethernet Switch
- WangXun 10 Gigabit NIC
- Motorcomm yt8521 Gigabit Ethernet
- Microchip ksz9563 Gigabit Ethernet Switch
- Microsoft Azure Network Adapter
- Linux Automation 10Base-T1L adapter
- PHY:
- Aquantia AQR112 and AQR412
- Motorcomm YT8531S
- PTP:
- Orolia ART-CARD
- WiFi:
- MediaTek Wi-Fi 7 (802.11be) devices
- RealTek rtw8821cu, rtw8822bu, rtw8822cu and rtw8723du USB
devices
- Bluetooth:
- Broadcom BCM4377/4378/4387 Bluetooth chipsets
- Realtek RTL8852BE and RTL8723DS
- Cypress.CYW4373A0 WiFi + Bluetooth combo device
Drivers:
- CAN:
- gs_usb: bus error reporting support
- kvaser_usb: listen only and bus error reporting support
- Ethernet NICs:
- Intel (100G):
- extend action skbedit to RX queue mapping
- implement devlink-rate support
- support direct read from memory
- nVidia/Mellanox (mlx5):
- SW steering improvements, increasing rules update rate
- Support for enhanced events compression
- extend H/W offload packet manipulation capabilities
- implement IPSec packet offload mode
- nVidia/Mellanox (mlx4):
- better big TCP support
- Netronome Ethernet NICs (nfp):
- IPsec offload support
- add support for multicast filter
- Broadcom:
- RSS and PTP support improvements
- AMD/SolarFlare:
- netlink extened ack improvements
- add basic flower matches to offload, and related stats
- Virtual NICs:
- ibmvnic: introduce affinity hint support
- small / embedded:
- FreeScale fec: add initial XDP support
- Marvel mv643xx_eth: support MII/GMII/RGMII modes for Kirkwood
- TI am65-cpsw: add suspend/resume support
- Mediatek MT7986: add RX wireless wthernet dispatch support
- Realtek 8169: enable GRO software interrupt coalescing per
default
- Ethernet high-speed switches:
- Microchip (sparx5):
- add support for Sparx5 TC/flower H/W offload via VCAP
- Mellanox mlxsw:
- add 802.1X and MAC Authentication Bypass offload support
- add ip6gre support
- Embedded Ethernet switches:
- Mediatek (mtk_eth_soc):
- improve PCS implementation, add DSA untag support
- enable flow offload support
- Renesas:
- add rswitch R-Car Gen4 gPTP support
- Microchip (lan966x):
- add full XDP support
- add TC H/W offload via VCAP
- enable PTP on bridge interfaces
- Microchip (ksz8):
- add MTU support for KSZ8 series
- Qualcomm 802.11ax WiFi (ath11k):
- support configuring channel dwell time during scan
- MediaTek WiFi (mt76):
- enable Wireless Ethernet Dispatch (WED) offload support
- add ack signal support
- enable coredump support
- remain_on_channel support
- Intel WiFi (iwlwifi):
- enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities
- 320 MHz channels support
- RealTek WiFi (rtw89):
- new dynamic header firmware format support
- wake-over-WLAN support"
* tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2002 commits)
ipvs: fix type warning in do_div() on 32 bit
net: lan966x: Remove a useless test in lan966x_ptp_add_trap()
net: ipa: add IPA v4.7 support
dt-bindings: net: qcom,ipa: Add SM6350 compatible
bnxt: Use generic HBH removal helper in tx path
IPv6/GRO: generic helper to remove temporary HBH/jumbo header in driver
selftests: forwarding: Add bridge MDB test
selftests: forwarding: Rename bridge_mdb test
bridge: mcast: Support replacement of MDB port group entries
bridge: mcast: Allow user space to specify MDB entry routing protocol
bridge: mcast: Allow user space to add (*, G) with a source list and filter mode
bridge: mcast: Add support for (*, G) with a source list and filter mode
bridge: mcast: Avoid arming group timer when (S, G) corresponds to a source
bridge: mcast: Add a flag for user installed source entries
bridge: mcast: Expose __br_multicast_del_group_src()
bridge: mcast: Expose br_multicast_new_group_src()
bridge: mcast: Add a centralized error path
bridge: mcast: Place netlink policy before validation functions
bridge: mcast: Split (*, G) and (S, G) addition into different functions
bridge: mcast: Do not derive entry type from its filter mode
...
|
||
|
Linus Torvalds
|
3ba2c3ff98 |
modules changes for v6.2-rc1
Tux gets for xmass improving the average lookup performance of kallsyms_lookup_name() by 715x thanks to the work by Zhen Lei, which upgraded our old implementation from being O(n) to O(log(n)), while also retaining the old implementation support on /proc/kallsyms. The only penalty was increasing the memory footprint by 3 * kallsyms_num_syms. Folks who want to improve this further now also have a dedicated selftest facility through KALLSYMS_SELFTEST. Since I had to start reviewing other future kallsyms / modules enhancements by Nick Alcock (his stuff is not merged, it requires more work) I carefully reviewed and merged Zhen Lei's kallsyms changes through modules-next tree a bit less than a month ago. So this has been exposed on linux-next for about a month now with no reported regressions. Stephen Boyd added zstd in-kernel decompression support, but the only users of this would be folks using the load-pin LSM because otherwise we do module docompression in userspace. This is the newest code and was merged last week on modules-next. We spent a lot of time analyzing and coming to grips with a proper fix to an old modules regression which only recently came to light (since v5.3-rc1, May 2019) but even though I merged that fix onto modules-next last week I'm having second thoughts about it now as I was writing about that fix in this git tag message for you, as I found a few things we cannot quite justify there yet. So I'm going to push back to the drawing board again there until all i's are properly dotted. Yes, it's a regression but the issue has been there for 2 years now and it came up because of high end CPU count, it can wait a *tiny* bit more for a proper fix. The only other thing with mentioning is a minor boot time optimization by Rasmus Villemoes which deferes param_sysfs_init() to late init. The rest is cleanups and minor fixes. -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmOX54cSHG1jZ3JvZkBr ZXJuZWwub3JnAAoJEM4jHQowkoinFSgP/AxBdTOljYoqHnIL2/5f7PO2epSUq4Yu h42kE7aQ9qbiR9Rq2piCmD0SmeroVBIfxoMJwxnTuUy5IeujLXe6mtt7nG7Z96H1 mFxBCF63LqE/VUp/bYTusJkOPLksmhK2tCo5zMEnrRuhDAMrbFRc/S3jGm15P3/v /hdzh384Ou4cEQPQY6nsMwSvYsuNeYAhE/BqhkrQ1LDOAgSGx8DUp4db7i1/gmxG PAu7CPJEdEGljSHhG7v7PmqYYAyhyMRsW2WkCndQUvpcfZ3Q5abMFMa+9DQuT0j9 VIJtIFMZzgC+wy+1HB2hdhVcfYj1cGul0DIKugbJ9obTrIEiB8BFSaNluZroKXkU MIB/rlQCU8kkiw5CocTwM7APHPyv5sZf97oYm9MHcRE2QYYq+o4XKul3Pl2vcEB7 Cetbdxv+rUGl4Qm0U9AbXzZijwOnRu0XZShy4FTjwhipBSER93hGzYph9beSS+sb QLnDK1c6fATT9Ye95w9Oq7/4wdK5yDifRLwA57qo4oKNz4F4MhToPcIQbhLtU2IC NHWa5udylfbpNf2MnpCw0040b1hUV8atUxwZ2kBMPH/5bodXzQBKZkQEpzdPyOD8 sihPRlVmiVVXwRMxtQtFZXpb4l9Zg9YTEFMAA1ixgT1Gefh1VjAMAfOmy/hqiqBp x5CXDwftRckB =acEB -----END PGP SIGNATURE----- Merge tag 'modules-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux Pull modules updates from Luis Chamberlain: "Tux gets for xmas an improvement to the average lookup performance of kallsyms_lookup_name() by 715x thanks to the work by Zhen Lei, which upgraded our old implementation from being O(n) to O(log(n)), while also retaining the old implementation support on /proc/kallsyms. The only penalty was increasing the memory footprint by 3 * kallsyms_num_syms. Folks who want to improve this further now also have a dedicated selftest facility through KALLSYMS_SELFTEST. Stephen Boyd added zstd in-kernel decompression support, but the only users of this would be folks using the load-pin LSM because otherwise we do module decompression in userspace. The only other thing with mentioning is a minor boot time optimization by Rasmus Villemoes which deferes param_sysfs_init() to late init. The rest is cleanups and minor fixes" * tag 'modules-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: livepatch: Call klp_match_callback() in klp_find_callback() to avoid code duplication module/decompress: Support zstd in-kernel decompression kallsyms: Remove unneeded semicolon kallsyms: Add self-test facility livepatch: Use kallsyms_on_each_match_symbol() to improve performance kallsyms: Add helper kallsyms_on_each_match_symbol() kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[] kallsyms: Correctly sequence symbols when CONFIG_LTO_CLANG=y kallsyms: Improve the performance of kallsyms_lookup_name() scripts/kallsyms: rename build_initial_tok_table() module: Fix NULL vs IS_ERR checking for module_get_next_page kernel/params.c: defer most of param_sysfs_init() to late_initcall time module: Remove unused macros module_addr_min/max module: remove redundant module_sysfs_initialized variable |
||
|
Linus Torvalds
|
531d2644f3 |
Devicetree updates for v6.2:
DT Bindings:
- Various LED binding conversions and clean-ups. Convert the ir-spi-led,
pwm-ir-tx, and gpio-ir-tx LED bindings to schemas. Consistently
reference LED common.yaml or multi-led schemas and disallow undefined
properties.
- Convert IDT 89HPESx, pwm-clock, st,stmipid02, Xilinx PCIe hosts,
and fsl,imx-fb bindings to schema
- Add ata-generic, Broadcom u-boot environment, and dynamic MTD
sub-partitions bindings.
- Make all SPI based displays reference spi-peripheral-props.yaml
- Fix some schema property regex's which should be fixed strings or were
missing start/end anchors
- Remove 'status' in examples, again...
DT Core:
- Fix a possible NULL dereference in overlay functions
- Fix kexec reading 32-bit "linux,initrd-{start,end}" values (which
never worked)
- Add of_address_count() helper to count number of 'reg' entries
- Support .dtso extension for DT overlay source files. Rename staging
and unittest overlay files.
- Update dtc to upstream v1.6.1-63-g55778a03df61
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Merge tag 'devicetree-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT Bindings:
- Various LED binding conversions and clean-ups. Convert the
ir-spi-led, pwm-ir-tx, and gpio-ir-tx LED bindings to schemas.
Consistently reference LED common.yaml or multi-led schemas and
disallow undefined properties.
- Convert IDT 89HPESx, pwm-clock, st,stmipid02, Xilinx PCIe hosts,
and fsl,imx-fb bindings to schema
- Add ata-generic, Broadcom u-boot environment, and dynamic MTD
sub-partitions bindings.
- Make all SPI based displays reference spi-peripheral-props.yaml
- Fix some schema property regex's which should be fixed strings or
were missing start/end anchors
- Remove 'status' in examples, again...
DT Core:
- Fix a possible NULL dereference in overlay functions
- Fix kexec reading 32-bit "linux,initrd-{start,end}" values (which
never worked)
- Add of_address_count() helper to count number of 'reg' entries
- Support .dtso extension for DT overlay source files. Rename staging
and unittest overlay files.
- Update dtc to upstream v1.6.1-63-g55778a03df61"
* tag 'devicetree-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (42 commits)
dt-bindings: leds: Add missing references to common LED schema
dt-bindings: leds: intel,lgm: Add missing 'led-gpios' property
of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()
dt-bindings: lcdif: Fix constraints for imx8mp
media: dt-bindings: atmel,isc: Drop unneeded unevaluatedProperties
dt-bindings: Drop Jee Heng Sia
dt-bindings: thermal: cooling-devices: Add missing cache related properties
dt-bindings: leds: irled: ir-spi-led: convert to DT schema
dt-bindings: leds: irled: pwm-ir-tx: convert to DT schema
dt-bindings: leds: irled: gpio-ir-tx: convert to DT schema
dt-bindings: leds: mt6360: rework to match multi-led
dt-bindings: leds: lp55xx: rework to match multi-led
dt-bindings: leds: lp55xx: switch to preferred 'gpios' suffix
dt-bindings: leds: lp55xx: allow label
dt-bindings: leds: use unevaluatedProperties for common.yaml
dt-bindings: thermal: tsens: Add SM6115 compatible
of/kexec: Fix reading 32-bit "linux,initrd-{start,end}" values
dt-bindings: display: Convert fsl,imx-fb.txt to dt-schema
dt-bindings: Add missing start and/or end of line regex anchors
dt-bindings: qcom,pdc: Add missing compatibles
...
|
||
|
Masahiro Yamada
|
875ef1a57f |
kbuild: use .NOTINTERMEDIATE for future GNU Make versions
In Kbuild, some files are generated by chains of pattern/implicit rules. For example, *.dtb.o files in drivers/of/unittest-data/Makefile are generated by the chain of 3 pattern rules, like this: %.dts -> %.dtb -> %.dtb.S -> %.dtb.o Here, %.dts is the real source, %.dtb.o is the final target. %.dtb and %.dtb.S are called "intermediate files". As GNU Make manual [1] says, intermediate files are treated differently in two ways: (a) The first difference is what happens if the intermediate file does not exist. If an ordinary file 'b' does not exist, and make considers a target that depends on 'b', it invariably creates 'b' and then updates the target from 'b'. But if 'b' is an intermediate file, then make can leave well enough alone: it won't create 'b' unless one of its prerequisites is out of date. This means the target depending on 'b' won't be rebuilt either, unless there is some other reason to update that target: for example the target doesn't exist or a different prerequisite is newer than the target. (b) The second difference is that if make does create 'b' in order to update something else, it deletes 'b' later on after it is no longer needed. Therefore, an intermediate file which did not exist before make also does not exist after make. make reports the deletion to you by printing a 'rm' command showing which file it is deleting. The combination of these is problematic for Kbuild because most of the build rules depend on FORCE and the if_changed* macros really determine if the target should be updated. So, all missing files, whether they are intermediate or not, are always rebuilt. To see the problem, delete ".SECONDARY:" from scripts/Kbuild.include, and repeat this command: $ make allmodconfig drivers/of/unittest-data/ The intermediate files will be deleted, which results in rebuilding intermediate and final objects in the next run of make. In the old days, people suppressed (b) in inconsistent ways. As commit |
||
|
Masahiro Yamada
|
3122c84409 |
kconfig: refactor Makefile to reduce process forks
Refactor Makefile and use read-file macro. For Make >= 4.2, it can read out a file by using the built-in function. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
||
|
Masahiro Yamada
|
6768fa4bcb |
kbuild: add read-file macro
Since GNU Make 4.2, $(file ...) supports the read operater '<', which is useful to read a file without forking a new process. No warning is shown even if the input file is missing. For older Make versions, it falls back to the cat command. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com> Tested-by: Alexander Lobakin <alexandr.lobakin@intel.com> |
||
|
Masahiro Yamada
|
a5db80c65d |
kbuild: do not sort after reading modules.order
modules.order lists modules in the deterministic order (that is why "modules order"), and there is no duplication in the list. $(sort ) is pointless. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> |
||
|
Masahiro Yamada
|
fccb3d3eda |
kbuild: add test-{ge,gt,le,lt} macros
GNU Make 4.4 introduced $(intcmp ...), which is useful to compare two
integers without forking a new process.
Add test-{ge,gt,le,lt} macros, which work more efficiently with GNU
Make >= 4.4. For older Make versions, they fall back to the 'test'
shell command.
The first two parameters to $(intcmp ...) must not be empty. To avoid
the syntax error, I appended '0' to them. Fortunately, '00' is treated
as '0'. This is needed because CONFIG options may expand to an empty
string when the kernel configuration is not included.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com> # RISC-V
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
|
||
|
Masahiro Yamada
|
e441273947 |
Documentation: raise minimum supported version of binutils to 2.25
Binutils 2.23 was released in 2012. Almost 10 years old. We already require GCC 5.1, released in 2015. Bump the binutils version to 2.25, which was released some months before GCC 5.1. With this applied, some subsystems can start to clean up code. Examples: arch/arm/Kconfig.assembler arch/mips/vdso/Kconfig arch/powerpc/Makefile arch/x86/Kconfig.assembler Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
|
Linus Torvalds
|
8702f2c611 |
Non-MM patches for 6.2-rc1.
- A ptrace API cleanup series from Sergey Shtylyov - Fixes and cleanups for kexec from ye xingchen - nilfs2 updates from Ryusuke Konishi - squashfs feature work from Xiaoming Ni: permit configuration of the filesystem's compression concurrency from the mount command line. - A series from Akinobu Mita which addresses bound checking errors when writing to debugfs files. - A series from Yang Yingliang to address rapido memory leaks - A series from Zheng Yejian to address possible overflow errors in encode_comp_t(). - And a whole shower of singleton patches all over the place. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCY5efRgAKCRDdBJ7gKXxA jgvdAP0al6oFDtaSsshIdNhrzcMwfjt6PfVxxHdLmNhF1hX2dwD/SVluS1bPSP7y 0sZp7Ustu3YTb8aFkMl96Y9m9mY1Nwg= =ga5B -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull non-MM updates from Andrew Morton: - A ptrace API cleanup series from Sergey Shtylyov - Fixes and cleanups for kexec from ye xingchen - nilfs2 updates from Ryusuke Konishi - squashfs feature work from Xiaoming Ni: permit configuration of the filesystem's compression concurrency from the mount command line - A series from Akinobu Mita which addresses bound checking errors when writing to debugfs files - A series from Yang Yingliang to address rapidio memory leaks - A series from Zheng Yejian to address possible overflow errors in encode_comp_t() - And a whole shower of singleton patches all over the place * tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (79 commits) ipc: fix memory leak in init_mqueue_fs() hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount rapidio: devices: fix missing put_device in mport_cdev_open kcov: fix spelling typos in comments hfs: Fix OOB Write in hfs_asc2mac hfs: fix OOB Read in __hfs_brec_find relay: fix type mismatch when allocating memory in relay_create_buf() ocfs2: always read both high and low parts of dinode link count io-mapping: move some code within the include guarded section kernel: kcsan: kcsan_test: build without structleak plugin mailmap: update email for Iskren Chernev eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD rapidio: fix possible UAF when kfifo_alloc() fails relay: use strscpy() is more robust and safer cpumask: limit visibility of FORCE_NR_CPUS acct: fix potential integer overflow in encode_comp_t() acct: fix accuracy loss for input value of encode_comp_t() linux/init.h: include <linux/build_bug.h> and <linux/stringify.h> rapidio: rio: fix possible name leak in rio_register_mport() rapidio: fix possible name leaks when rio_add_device() fails ... |
||
|
Linus Torvalds
|
a7cacfb068 |
This was a not-too-busy cycle for documentation; highlights include:
- The beginnings of a set of translations into Spanish, headed up by Carlos
Bilbao.
- More Chinese translations.
- A change to the Sphinx "alabaster" theme by default for HTML generation.
Unlike the previous default (Read the Docs), alabaster is shipped with
Sphinx by default, reducing the number of other dependencies that need to
be installed. It also (IMO) produces a cleaner and more readable result.
- The ability to render the documentation into the texinfo format
(something Sphinx could always do, we just never wired it up until now).
Plus the usual collection of typo fixes, build-warning fixes, and minor
updates.
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Merge tag 'docs-6.2' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This was a not-too-busy cycle for documentation; highlights include:
- The beginnings of a set of translations into Spanish, headed up by
Carlos Bilbao
- More Chinese translations
- A change to the Sphinx "alabaster" theme by default for HTML
generation.
Unlike the previous default (Read the Docs), alabaster is shipped
with Sphinx by default, reducing the number of other dependencies
that need to be installed. It also (IMO) produces a cleaner and
more readable result.
- The ability to render the documentation into the texinfo format
(something Sphinx could always do, we just never wired it up until
now)
Plus the usual collection of typo fixes, build-warning fixes, and
minor updates"
* tag 'docs-6.2' of git://git.lwn.net/linux: (67 commits)
Documentation/features: Use loongarch instead of loong
Documentation/features-refresh.sh: Only sed the beginning "arch" of ARCH_DIR
docs/zh_CN: Fix '.. only::' directive's expression
docs/sp_SP: Add memory-barriers.txt Spanish translation
docs/zh_CN/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
docs/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
Documentation/features: Update feature lists for 6.1
Documentation: Fixed a typo in bootconfig.rst
docs/sp_SP: Add process coding-style translation
docs/sp_SP: Add kernel-docs.rst Spanish translation
docs: Create translations/sp_SP/process/, move submitting-patches.rst
docs: Add book to process/kernel-docs.rst
docs: Retire old resources from kernel-docs.rst
docs: Update maintainer of kernel-docs.rst
Documentation: riscv: Document the sv57 VM layout
Documentation: USB: correct possessive "its" usage
math64: fix kernel-doc return value warnings
math64: add kernel-doc for DIV64_U64_ROUND_UP
math64: favor kernel-doc from header files
doc: add texinfodocs and infodocs targets
...
|
||
|
Linus Torvalds
|
96f4263568 |
Rust changes for v6.2
The first set of changes after the merge, the major ones being: - String and formatting: new types `CString`, `CStr`, `BStr` and `Formatter`; new macros `c_str!`, `b_str!` and `fmt!`. - Errors: the rest of the error codes from `errno-base.h`, as well as some `From` trait implementations for the `Error` type. - Printing: the rest of the `pr_*!` levels and the continuation one `pr_cont!`, as well as a new sample. - `alloc` crate: new constructors `try_with_capacity()` and `try_with_capacity_in()` for `RawVec` and `Vec`. - Procedural macros: new macros `#[vtable]` and `concat_idents!`, as well as better ergonomics for `module!` users. - Asserting: new macros `static_assert!`, `build_error!` and `build_assert!`, as well as a new crate `build_error` to support them. - Vocabulary types: new types `Opaque` and `Either`. - Debugging: new macro `dbg!`. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPjU5OPd5QIZ9jqqOGXyLc2htIW0FAmOVJTQACgkQGXyLc2ht IW3cLA//dn0/rN2sCJBsX8/mNQqRXQvM45QUP5ESd5w01fRXEpvHZ+MbfdcFZN8K oQEgZwTwTKvKY6V+xCPmEiUvk5jniCzdEjTFtDhVhA+qimxY/FMS3zozuJMQIlz2 zTiZ4aEM1zFAwoDHnnOmaCO+C0zw5d9UFIKO4nIvOSy3gD/eLgiFz3cyTh8Q2+BT lPyqeKg9+xKIl8tWa5zGYHgZASGguV0EpXFn4Ck4eBOH6O9ovWgakdzZp0BMJ9Ca UNIFpFjLMUkCwzZkPqIyI9IZEOzUYWTTfWU9S5JJ6IzC3aT8NPp3WeSYW9TgVnvO z5n6rsYOgvKeWCvGIgq82fgVbGMNaaP1MFxNLsdbWWj+9lfebpk62aQXSuWsvASq /W39/xEhOOLikyb3ObVHLW1r1lu9guSeP8eaMQ5ci/99kypHHBOXmB/nr9pxPkrr kovxuZedDbgEYunbVmwWGmvLg8dcjadfeXf6Dkc6bwDvyhiuX9W21z9ppT9nV5NW chYRAPROCHuBRu+txft9gIjyE1/V7G8CyeWiG36VWN8Tayc5iJEWOopk4GJcEpJi MS5tAJru7fBZcXjFausN3mdXyRwMLdilTZ2Qkp6MqzXi5zwVuKH1wsJ7CLkPBWQC tAPJts6krOonI2cd2JM8ds+Wj5Q1cDGQuF6Rj29/27aUBKH1w2Y= =iIcK -----END PGP SIGNATURE----- Merge tag 'rust-6.2' of https://github.com/Rust-for-Linux/linux Pull rust updates from Miguel Ojeda: "The first set of changes after the merge, the major ones being: - String and formatting: new types 'CString', 'CStr', 'BStr' and 'Formatter'; new macros 'c_str!', 'b_str!' and 'fmt!'. - Errors: the rest of the error codes from 'errno-base.h', as well as some 'From' trait implementations for the 'Error' type. - Printing: the rest of the 'pr_*!' levels and the continuation one 'pr_cont!', as well as a new sample. - 'alloc' crate: new constructors 'try_with_capacity()' and 'try_with_capacity_in()' for 'RawVec' and 'Vec'. - Procedural macros: new macros '#[vtable]' and 'concat_idents!', as well as better ergonomics for 'module!' users. - Asserting: new macros 'static_assert!', 'build_error!' and 'build_assert!', as well as a new crate 'build_error' to support them. - Vocabulary types: new types 'Opaque' and 'Either'. - Debugging: new macro 'dbg!'" * tag 'rust-6.2' of https://github.com/Rust-for-Linux/linux: (28 commits) rust: types: add `Opaque` type rust: types: add `Either` type rust: build_assert: add `build_{error,assert}!` macros rust: add `build_error` crate rust: static_assert: add `static_assert!` macro rust: std_vendor: add `dbg!` macro based on `std`'s one rust: str: add `fmt!` macro rust: str: add `CString` type rust: str: add `Formatter` type rust: str: add `c_str!` macro rust: str: add `CStr` unit tests rust: str: implement several traits for `CStr` rust: str: add `CStr` type rust: str: add `b_str!` macro rust: str: add `BStr` type rust: alloc: add `Vec::try_with_capacity{,_in}()` constructors rust: alloc: add `RawVec::try_with_capacity_in()` constructor rust: prelude: add `error::code::*` constant items rust: error: add `From` implementations for `Error` rust: error: add codes from `errno-base.h` ... |
||
|
Linus Torvalds
|
01f3cbb296 |
SoC: DT changes for 6.2
The devicetree changes contain exactly 1000 non-merge changesets,
including a number of new arm64 SoC variants from Qualcomm and Apple,
as well as the Renesas r9a07g043f/u chip in both arm64 and riscv variants
While we have occasionally merged support for non-arm SoCs in the past,
this is now the normal path for riscv devicetree files.
The most notable changes, by SoC platform, are:
- The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M2 Ultra)
chips now have initial support. This is particularly nice as I am
typing this on a T6002 Mac Studio with only a small number of driver
patches.
- Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662), SM4250
(Snapdragon 460), SM6375 (Snapdragon 695), SDM670 (Snapdragon 670),
MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon 650) are all mobile
phone chips that are closely related to others we already support.
Adding those helps support more phones and we add several models
from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and Google
(Pixel 3a). There are also new variants of the Herobrine and Trogdor
chromebook motherboards. SA8540P is an automotive SoC used in the
Qdrive-3 development platform
- Rockchips gains no new SoC variants, but a lot of new boards:
three mobile gaming systems based on RK3326 Odroid-Go/rg351 family,
two more Anbernic gaming systems based on RK3566 and a number of
other RK356x based single-board computers.
- Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
the newly added RZ/Five is based on the same design, this now gets
reorganized in order to share most of the dts description between
the two and add the RZ/Five SMARC EVK board support.
Aside from that, there are the usual changes all over the tree:
- New boards on other platforms contain two ASpeed BMC users, two
Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based Kobo
Aura2 ebook reader, two i.MX8 based development boards, two Uniphier
Pro5 development boards, the STM32MP1 testbench board from DHCOR,
the TI K3 based BeagleBone AI-64 board, and the Mediatek Helio X10
based Sony Xperia M5 phone.
- The Starfive JH7100 source gets reorganized in order to support the
VisionFive V1 board.
- Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168,
TI, ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
spear, ... The treewide cleanups now have a lot of fixes for cache
nodes and other binding violoations.
- Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm
and Renesas platforms, adding a lot more on-chip device support
- A rework of the way that DTB overlays are built.
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Merge tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC DT updates from Arnd Bergmann:
"The devicetree changes contain exactly 1000 non-merge changesets,
including a number of new arm64 SoC variants from Qualcomm and Apple,
as well as the Renesas r9a07g043f/u chip in both arm64 and riscv
variants.
While we have occasionally merged support for non-arm SoCs in the
past, this is now the normal path for riscv devicetree files.
The most notable changes, by SoC platform, are:
- The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M1 Ultra) chips
now have initial support. This is particularly nice as I am typing
this on a T6002 Mac Studio with only a small number of driver
patches.
- Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662),
SM4250 (Snapdragon 460), SM6375 (Snapdragon 695), SDM670
(Snapdragon 670), MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon
650) are all mobile phone chips that are closely related to others
we already support.
Adding those helps support more phones and we add several models
from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and
Google (Pixel 3a).
There are also new variants of the Herobrine and Trogdor chromebook
motherboards. SA8540P is an automotive SoC used in the Qdrive-3
development platform
- Rockchips gains no new SoC variants, but a lot of new boards: three
mobile gaming systems based on RK3326 Odroid-Go/rg351 family, two
more Anbernic gaming systems based on RK3566 and a number of other
RK356x based single-board computers.
- Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
the newly added RZ/Five is based on the same design, this now gets
reorganized in order to share most of the dts description between
the two and add the RZ/Five SMARC EVK board support.
Aside from that, there are the usual changes all over the tree:
- New boards on other platforms contain two ASpeed BMC users, two
Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based
Kobo Aura2 ebook reader, two i.MX8 based development boards, two
Uniphier Pro5 development boards, the STM32MP1 testbench board from
DHCOR, the TI K3 based BeagleBone AI-64 board, and the Mediatek
Helio X10 based Sony Xperia M5 phone.
- The Starfive JH7100 source gets reorganized in order to support the
VisionFive V1 board.
- Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168, TI,
ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
spear, ... The treewide cleanups now have a lot of fixes for cache
nodes and other binding violoations.
- Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm and
Renesas platforms, adding a lot more on-chip device support
- A rework of the way that DTB overlays are built"
* tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (979 commits)
arm64: dts: apple: t6002: Fix GPU power domains
arm64: dts: apple: t600x-pmgr: Fix search & replace typo
arm64: dts: apple: Add t8103 L1/L2 cache properties and nodes
arm64: dts: apple: Rename dart-sio* to sio-dart*
arch: arm64: apple: t600x: Use standard "iommu" node name
arch: arm64: apple: t8103: Use standard "iommu" node name
ARM: dts: socfpga: Fix pca9548 i2c-mux node name
dt-bindings: iio: adc: qcom,spmi-vadc: fix PM8350 define
dt-bindings: iio: adc: qcom,spmi-vadc: extend example
arm64: dts: qcom: sc8280xp: fix UFS DMA coherency
arm64: dts: qcom: sc7280: Add DT for sc7280-herobrine-zombie
arm64: dts: qcom: sm8250-sony-xperia-edo: fix no-mmc property for SDHCI
arm64: dts: qcom: sdm845-sony-xperia-tama: fix no-mmc property for SDHCI
arm64: dts: qcom: sda660-inforce-ifc6560: fix no-mmc property for SDHCI
arm64: dts: qcom: sa8155p-adp: fix no-mmc property for SDHCI
arm64: dts: qcom: qrb5165-rb: fix no-mmc property for SDHCI
arm64: dts: qcom: sm8450: align MMC node names with dtschema
arm64: dts: qcom: sc7180-trogdor: use generic node names
arm64: dts: qcom: sm8450-hdk: add sound support
arm64: dts: qcom: sm8450: add Soundwire and LPASS
...
|
||
|
Linus Torvalds
|
06cff4a58e |
arm64 updates for 6.2
ACPI:
* Enable FPDT support for boot-time profiling
* Fix CPU PMU probing to work better with PREEMPT_RT
* Update SMMUv3 MSI DeviceID parsing to latest IORT spec
* APMT support for probing Arm CoreSight PMU devices
CPU features:
* Advertise new SVE instructions (v2.1)
* Advertise range prefetch instruction
* Advertise CSSC ("Common Short Sequence Compression") scalar
instructions, adding things like min, max, abs, popcount
* Enable DIT (Data Independent Timing) when running in the kernel
* More conversion of system register fields over to the generated
header
CPU misfeatures:
* Workaround for Cortex-A715 erratum #2645198
Dynamic SCS:
* Support for dynamic shadow call stacks to allow switching at
runtime between Clang's SCS implementation and the CPU's
pointer authentication feature when it is supported (complete
with scary DWARF parser!)
Tracing and debug:
* Remove static ftrace in favour of, err, dynamic ftrace!
* Seperate 'struct ftrace_regs' from 'struct pt_regs' in core
ftrace and existing arch code
* Introduce and implement FTRACE_WITH_ARGS on arm64 to replace
the old FTRACE_WITH_REGS
* Extend 'crashkernel=' parameter with default value and fallback
to placement above 4G physical if initial (low) allocation
fails
SVE:
* Optimisation to avoid disabling SVE unconditionally on syscall
entry and just zeroing the non-shared state on return instead
Exceptions:
* Rework of undefined instruction handling to avoid serialisation
on global lock (this includes emulation of user accesses to the
ID registers)
Perf and PMU:
* Support for TLP filters in Hisilicon's PCIe PMU device
* Support for the DDR PMU present in Amlogic Meson G12 SoCs
* Support for the terribly-named "CoreSight PMU" architecture
from Arm (and Nvidia's implementation of said architecture)
Misc:
* Tighten up our boot protocol for systems with memory above
52 bits physical
* Const-ify static keys to satisty jump label asm constraints
* Trivial FFA driver cleanups in preparation for v1.1 support
* Export the kernel_neon_* APIs as GPL symbols
* Harden our instruction generation routines against
instrumentation
* A bunch of robustness improvements to our arch-specific selftests
* Minor cleanups and fixes all over (kbuild, kprobes, kfence, PMU, ...)
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"The highlights this time are support for dynamically enabling and
disabling Clang's Shadow Call Stack at boot and a long-awaited
optimisation to the way in which we handle the SVE register state on
system call entry to avoid taking unnecessary traps from userspace.
Summary:
ACPI:
- Enable FPDT support for boot-time profiling
- Fix CPU PMU probing to work better with PREEMPT_RT
- Update SMMUv3 MSI DeviceID parsing to latest IORT spec
- APMT support for probing Arm CoreSight PMU devices
CPU features:
- Advertise new SVE instructions (v2.1)
- Advertise range prefetch instruction
- Advertise CSSC ("Common Short Sequence Compression") scalar
instructions, adding things like min, max, abs, popcount
- Enable DIT (Data Independent Timing) when running in the kernel
- More conversion of system register fields over to the generated
header
CPU misfeatures:
- Workaround for Cortex-A715 erratum #2645198
Dynamic SCS:
- Support for dynamic shadow call stacks to allow switching at
runtime between Clang's SCS implementation and the CPU's pointer
authentication feature when it is supported (complete with scary
DWARF parser!)
Tracing and debug:
- Remove static ftrace in favour of, err, dynamic ftrace!
- Seperate 'struct ftrace_regs' from 'struct pt_regs' in core ftrace
and existing arch code
- Introduce and implement FTRACE_WITH_ARGS on arm64 to replace the
old FTRACE_WITH_REGS
- Extend 'crashkernel=' parameter with default value and fallback to
placement above 4G physical if initial (low) allocation fails
SVE:
- Optimisation to avoid disabling SVE unconditionally on syscall
entry and just zeroing the non-shared state on return instead
Exceptions:
- Rework of undefined instruction handling to avoid serialisation on
global lock (this includes emulation of user accesses to the ID
registers)
Perf and PMU:
- Support for TLP filters in Hisilicon's PCIe PMU device
- Support for the DDR PMU present in Amlogic Meson G12 SoCs
- Support for the terribly-named "CoreSight PMU" architecture from
Arm (and Nvidia's implementation of said architecture)
Misc:
- Tighten up our boot protocol for systems with memory above 52 bits
physical
- Const-ify static keys to satisty jump label asm constraints
- Trivial FFA driver cleanups in preparation for v1.1 support
- Export the kernel_neon_* APIs as GPL symbols
- Harden our instruction generation routines against instrumentation
- A bunch of robustness improvements to our arch-specific selftests
- Minor cleanups and fixes all over (kbuild, kprobes, kfence, PMU, ...)"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (151 commits)
arm64: kprobes: Return DBG_HOOK_ERROR if kprobes can not handle a BRK
arm64: kprobes: Let arch do_page_fault() fix up page fault in user handler
arm64: Prohibit instrumentation on arch_stack_walk()
arm64:uprobe fix the uprobe SWBP_INSN in big-endian
arm64: alternatives: add __init/__initconst to some functions/variables
arm_pmu: Drop redundant armpmu->map_event() in armpmu_event_init()
kselftest/arm64: Allow epoll_wait() to return more than one result
kselftest/arm64: Don't drain output while spawning children
kselftest/arm64: Hold fp-stress children until they're all spawned
arm64/sysreg: Remove duplicate definitions from asm/sysreg.h
arm64/sysreg: Convert ID_DFR1_EL1 to automatic generation
arm64/sysreg: Convert ID_DFR0_EL1 to automatic generation
arm64/sysreg: Convert ID_AFR0_EL1 to automatic generation
arm64/sysreg: Convert ID_MMFR5_EL1 to automatic generation
arm64/sysreg: Convert MVFR2_EL1 to automatic generation
arm64/sysreg: Convert MVFR1_EL1 to automatic generation
arm64/sysreg: Convert MVFR0_EL1 to automatic generation
arm64/sysreg: Convert ID_PFR2_EL1 to automatic generation
arm64/sysreg: Convert ID_PFR1_EL1 to automatic generation
arm64/sysreg: Convert ID_PFR0_EL1 to automatic generation
...
|
||
|
Masahiro Yamada
|
80b6093b55 |
kbuild: add -Wundef to KBUILD_CPPFLAGS for W=1 builds
The use of an undefined macro in an #if directive is warned, but only in *.c files. No warning from other files such as *.S, *.lds.S. Since -Wundef is a preprocessor-related warning, it should be added to KBUILD_CPPFLAGS instead of KBUILD_CFLAGS. My previous attempt [1] uncovered several issues. I could not finish fixing them all. This commit adds -Wundef to KBUILD_CPPFLAGS for W=1 builds in order to block new breakages. (The kbuild test robot tests with W=1) We can fix the warnings one by one. After fixing all of them, we can make it default in the top Makefile, and remove -Wundef from KBUILD_CFLAGS. [1]: https://lore.kernel.org/all/20221012180118.331005-2-masahiroy@kernel.org/ Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> |
||
Kumar Kartikeya Dwivedi
|
2706053173 |
bpf: Rework process_dynptr_func
Recently, user ringbuf support introduced a PTR_TO_DYNPTR register type
for use in callback state, because in case of user ringbuf helpers,
there is no dynptr on the stack that is passed into the callback. To
reflect such a state, a special register type was created.
However, some checks have been bypassed incorrectly during the addition
of this feature. First, for arg_type with MEM_UNINIT flag which
initialize a dynptr, they must be rejected for such register type.
Secondly, in the future, there are plans to add dynptr helpers that
operate on the dynptr itself and may change its offset and other
properties.
In all of these cases, PTR_TO_DYNPTR shouldn't be allowed to be passed
to such helpers, however the current code simply returns 0.
The rejection for helpers that release the dynptr is already handled.
For fixing this, we take a step back and rework existing code in a way
that will allow fitting in all classes of helpers and have a coherent
model for dealing with the variety of use cases in which dynptr is used.
First, for ARG_PTR_TO_DYNPTR, it can either be set alone or together
with a DYNPTR_TYPE_* constant that denotes the only type it accepts.
Next, helpers which initialize a dynptr use MEM_UNINIT to indicate this
fact. To make the distinction clear, use MEM_RDONLY flag to indicate
that the helper only operates on the memory pointed to by the dynptr,
not the dynptr itself. In C parlance, it would be equivalent to taking
the dynptr as a point to const argument.
When either of these flags are not present, the helper is allowed to
mutate both the dynptr itself and also the memory it points to.
Currently, the read only status of the memory is not tracked in the
dynptr, but it would be trivial to add this support inside dynptr state
of the register.
With these changes and renaming PTR_TO_DYNPTR to CONST_PTR_TO_DYNPTR to
better reflect its usage, it can no longer be passed to helpers that
initialize a dynptr, i.e. bpf_dynptr_from_mem, bpf_ringbuf_reserve_dynptr.
A note to reviewers is that in code that does mark_stack_slots_dynptr,
and unmark_stack_slots_dynptr, we implicitly rely on the fact that
PTR_TO_STACK reg is the only case that can reach that code path, as one
cannot pass CONST_PTR_TO_DYNPTR to helpers that don't set MEM_RDONLY. In
both cases such helpers won't be setting that flag.
The next patch will add a couple of selftest cases to make sure this
doesn't break.
Fixes:
|
||
Will Deacon
|
d864e90585 |
Merge branch 'for-next/kbuild' into for-next/core
* for-next/kbuild: arm64: remove special treatment for the link order of head.o |
||
Gary Guo
|
ecaa6ddff2 |
rust: add build_error crate
The `build_error` crate provides a function `build_error` which will panic at compile-time if executed in const context and, by default, will cause a build error if not executed at compile time and the optimizer does not optimise away the call. The `CONFIG_RUST_BUILD_ASSERT_ALLOW` kernel option allows to relax the default build failure and convert it to a runtime check. If the runtime check fails, `panic!` will be called. Its functionality will be exposed to users as a couple macros in the `kernel` crate in the following patch, thus some documentation here refers to them for simplicity. Signed-off-by: Gary Guo <gary@garyguo.net> Reviewed-by: Wei Liu <wei.liu@kernel.org> [Reworded, adapted for upstream and applied latest changes] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
||
Jason Gunthorpe
|
90337f526c |
Merge tag 'v6.1-rc7' into iommufd.git for-next
Resolve conflicts in drivers/vfio/vfio_main.c by using the iommfd version. The rc fix was done a different way when iommufd patches reworked this code. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
||
Liao Chang
|
3965292ad0 |
checkpatch: add check for array allocator family argument order
These array allocator family are sometimes misused with the first and second arguments switched. Same issue with calloc, kvcalloc, kvmalloc_array etc. Bleat if sizeof is the first argument. Link: https://lore.kernel.org/lkml/5374345c-7973-6a3c-d559-73bf4ac15079@redhat.com/ Link: https://lkml.kernel.org/r/20221104070523.60296-1-liaochang1@huawei.com Signed-off-by: Liao Chang <liaochang1@huawei.com> Acked-by: Joe Perches <joe@perches.com> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Cc: Andy Whitcroft <apw@canonical.com> Cc: Bagas Sanjaya <bagasdotme@gmail.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Jakub Kicinski
|
f2bb566f5c |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/lib/bpf/ringbuf.c |