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2bf753e64b
836941 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Kai Shen
|
2bf753e64b |
mm/hugetlb.c: don't put_page in lock of hugetlb_lock
spinlock recursion happened when do LTP test:
#!/bin/bash
./runltp -p -f hugetlb &
./runltp -p -f hugetlb &
./runltp -p -f hugetlb &
./runltp -p -f hugetlb &
./runltp -p -f hugetlb &
The dtor returned by get_compound_page_dtor in __put_compound_page may be
the function of free_huge_page which will lock the hugetlb_lock, so don't
put_page in lock of hugetlb_lock.
BUG: spinlock recursion on CPU#0, hugemmap05/1079
lock: hugetlb_lock+0x0/0x18, .magic: dead4ead, .owner: hugemmap05/1079, .owner_cpu: 0
Call trace:
dump_backtrace+0x0/0x198
show_stack+0x24/0x30
dump_stack+0xa4/0xcc
spin_dump+0x84/0xa8
do_raw_spin_lock+0xd0/0x108
_raw_spin_lock+0x20/0x30
free_huge_page+0x9c/0x260
__put_compound_page+0x44/0x50
__put_page+0x2c/0x60
alloc_surplus_huge_page.constprop.19+0xf0/0x140
hugetlb_acct_memory+0x104/0x378
hugetlb_reserve_pages+0xe0/0x250
hugetlbfs_file_mmap+0xc0/0x140
mmap_region+0x3e8/0x5b0
do_mmap+0x280/0x460
vm_mmap_pgoff+0xf4/0x128
ksys_mmap_pgoff+0xb4/0x258
__arm64_sys_mmap+0x34/0x48
el0_svc_common+0x78/0x130
el0_svc_handler+0x38/0x78
el0_svc+0x8/0xc
Link: http://lkml.kernel.org/r/b8ade452-2d6b-0372-32c2-703644032b47@huawei.com
Fixes:
|
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Dan Williams
|
fce86ff580 |
mm/huge_memory: fix vmf_insert_pfn_{pmd, pud}() crash, handle unaligned addresses
Starting with |
||
Linus Torvalds
|
a13f065550 |
IOMMU Updates for Linux v5.2
Including: - ATS support for ARM-SMMU-v3. - AUX domain support in the IOMMU-API and the Intel VT-d driver. This adds support for multiple DMA address spaces per (PCI-)device. The use-case is to multiplex devices between host and KVM guests in a more flexible way than supported by SR-IOV. - The Rest are smaller cleanups and fixes, two of which needed to be reverted after testing in linux-next. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAlzZWPkACgkQK/BELZcB GuPdRRAAj/RcgVn7fqmNDM02xe6C5PuwBGYkXnC+atDrTQWbFsM0JE3YTWEHJ+66 7RMoYaksRaSBsn3QuX3b6+g6E+exhGoQ0BfkmuF8StUXAsaxvzGxvuk+cP0o4/mK pZkj3BddS4ycRqQPsVEbgJGRzL39dxWHe7p3/FfwgV+HzVonURFozU0HixLAoBhr uS0LpBiG8uGCMvO6yhTmPmfrbsSAcMivb7LlmsaykXPhjBk7kSqNgHNNx5O+HC8m XJdFatkxolkrN6A2FoHdP05sAXCv+uHbAGGGitYziRaXG7GBzm7Vc2LspJIml+y2 898+MiTH1M3P0WPyDa3cfcnRc2BBuJg56emad4CcfduM9sVXI0Ol6slNAYljnSYD 5A0CUxbrLxGUZaf6DAUJ9w5L+LhgEkXzKWEE9Nif46K4I1CFSt/d8nwB6Q5Oc/ie GZwTICRkMwTeqOM/CTyvwJCCwZm47AVv3qwaI0z5oDplH/bbRmNEi5WFJsgcgOnd GS5kmzjFBsljjDVWswgugdm7sdMSl7y88uQK9zUiG8fXgRiVUW/rENfZ1SMmVl1p zBQDndZmtrHm5ybe/NAZ8vaJhk4i1F3rWT0hwRZZKGDIrd/C3egnNyYkc4XeTPGe 3il+dJleIIwOX5Fpa44XTV1rDuVOXpF5LS5NRLjhhd+XqbaXZFI= =HLtu -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU updates from Joerg Roedel: - ATS support for ARM-SMMU-v3. - AUX domain support in the IOMMU-API and the Intel VT-d driver. This adds support for multiple DMA address spaces per (PCI-)device. The use-case is to multiplex devices between host and KVM guests in a more flexible way than supported by SR-IOV. - the rest are smaller cleanups and fixes, two of which needed to be reverted after testing in linux-next. * tag 'iommu-updates-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (45 commits) Revert "iommu/amd: Flush not present cache in iommu_map_page" Revert "iommu/amd: Remove the leftover of bypass support" iommu/vt-d: Fix leak in intel_pasid_alloc_table on error path iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU iommu/vt-d: Set intel_iommu_gfx_mapped correctly iommu/amd: Flush not present cache in iommu_map_page iommu/vt-d: Cleanup: no spaces at the start of a line iommu/vt-d: Don't request page request irq under dmar_global_lock iommu/vt-d: Use struct_size() helper iommu/mediatek: Fix leaked of_node references iommu/amd: Remove amd_iommu_pd_list iommu/arm-smmu: Log CBFRSYNRA register on context fault iommu/arm-smmu-v3: Don't disable SMMU in kdump kernel iommu/arm-smmu-v3: Disable tagged pointers iommu/arm-smmu-v3: Add support for PCI ATS iommu/arm-smmu-v3: Link domains and devices iommu/arm-smmu-v3: Add a master->domain pointer iommu/arm-smmu-v3: Store SteamIDs in master iommu/arm-smmu-v3: Rename arm_smmu_master_data to arm_smmu_master ACPI/IORT: Check ATS capability in root complex nodes ... |
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Linus Torvalds
|
55472bae53 |
linux-watchdog 5.2-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAlzZRp0ACgkQ+iyteGJfRsq1WQCfaR8jQjujN1bGWghnSWbTr01X O3cAn3RmJWiEtI0zmmMcRQBna8nj4cHJ =PuHw -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - a new watchdog driver for the ROHM BD70528 watchdog block - a new watchdog driver for the i.MX system controller watchdog - conversions to use device managed functions and other improvements - refactor watchdog_init_timeout - make watchdog core configurable as module - pretimeout governors improvements - a lot of other fixes * tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog: (114 commits) watchdog: Enforce that at least one pretimeout governor is enabled watchdog: stm32: add dynamic prescaler support watchdog: Improve Kconfig entry ordering and dependencies watchdog: npcm: Enable modular builds watchdog: Make watchdog core configurable as module watchdog: Move pretimeout governor configuration up watchdog: Use depends instead of select for pretimeout governors watchdog: rtd119x: drop unused module.h include watchdog: intel_scu: make it explicitly non-modular watchdog: coh901327: make it explicitly non-modular watchdog: ziirave_wdt: drop warning after calling watchdog_init_timeout watchdog: xen_wdt: drop warning after calling watchdog_init_timeout watchdog: stm32_iwdg: drop warning after calling watchdog_init_timeout watchdog: st_lpc_wdt: drop warning after calling watchdog_init_timeout watchdog: sp5100_tco: drop warning after calling watchdog_init_timeout watchdog: renesas_wdt: drop warning after calling watchdog_init_timeout watchdog: nic7018_wdt: drop warning after calling watchdog_init_timeout watchdog: ni903x_wdt: drop warning after calling watchdog_init_timeout watchdog: imx_sc_wdt: drop warning after calling watchdog_init_timeout watchdog: i6300esb: drop warning after calling watchdog_init_timeout ... |
||
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Linus Torvalds
|
d7a02fa0a8 |
This pull request contains the following changes for UBI/UBIFS
- fscrypt framework usage updates - One huge fix for xattr unlink - Cleanup of fscrypt ifdefs - Fix for our new UBIFS auth feature -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlzYkIgWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wTRrD/99iBd4f8F0jF1wmB8/9kDAnz5s KaK+VtC0RVRijRijYzo+/2kDXpXEbmPycg6AVl5EfKxXCVFw1K7pQvuBX43qyv4o BINRv1av8FEBA9eTjvBgZJUrjB1AuvV37716/OeM2bnvuCsp1escnvTEh6S3VFYw oWDBgZJd+DE10CYtZjuLoyDPcYdNrzebbmu3Xbfl2XsPwZFUJIrymMd6NE8Xdk3I EQbZ3guEM5Djui+nrko3iKzfoZ4eK7WguO3DOEjUHpwea4ZfnZtnlH345aYOAqRE N5qrDCzXOsWs6Zs+clODMQgg+aTN3kGBNV534culcpMAbUp7WXynUQ1DDqtOJNJO pGFjhAfGi4E6YgB3UwqxMbXxI4Tg/X2ckc77hWZlC7h/1Y/i89nacT6Ij5rPNOn1 mby1mFxWHI04uSEICWyocFK4m/J2b17Tmte2Mc5ZOigQqREUB7J8wiT4NWm6GhV1 nTb5DA8MepC3zopbsL/iAiKPhSkH1h6AkabBw1ADTksacgNUfhjzALkxqa64tIqv C43QG3n/HqsNZJ4aLdizLLb8KIt4pWsIaqHOeDGSfr3I1GEBrpfKiR72P/h3fSF9 9GIFJU5HiV+3zeAC2024muaV7KjcimZ6t/hPFTCFH9pMGNk2Mtn/gZFfmqnjLKbj TDxUTrZF9Lujonrbwg== =ymCJ -----END PGP SIGNATURE----- Merge tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI/UBIFS updates from Richard Weinberger: - fscrypt framework usage updates - One huge fix for xattr unlink - Cleanup of fscrypt ifdefs - Fix for our new UBIFS auth feature * tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubi: wl: Fix uninitialized variable ubifs: Drop unnecessary setting of zbr->znode ubifs: Remove ifdefs around CONFIG_UBIFS_ATIME_SUPPORT ubifs: Remove #ifdef around CONFIG_FS_ENCRYPTION ubifs: Limit number of xattrs per inode ubifs: orphan: Handle xattrs like files ubifs: journal: Handle xattrs like files ubifs: find.c: replace swap function with built-in one ubifs: Do not skip hash checking in data nodes ubifs: work around high stack usage with clang ubifs: remove unused function __ubifs_shash_final ubifs: remove unnecessary #ifdef around fscrypt_ioctl_get_policy() ubifs: remove unnecessary calls to set up directory key |
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|
Linus Torvalds
|
4dbf09fea6 |
This pull request contains the following changes for MTD:
MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from generic
functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
* Switch to ->exec-op().
- meson:
* Misc cleanups and fixes.
* New OOB layout.
- Sunxi:
* A23/A33 NAND DMA support.
- Ingenic:
* Full reorganization and cleanup.
* Clear separation between NAND controller and ECC engine.
* Support JZ4740 an JZ4725B.
- Denali:
* Clear controller/chip separation.
* ->exec_op() migration.
* Various cleanups.
- fsl_elbc:
* Enable software ECC support.
- Atmel:
* Sam9x60 support.
- GPMI:
* Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
* Avoid crossing 4K address boundary on read/write
* Add support for Intel Comet Lake SPI serial flash
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Merge tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from
generic functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
- Switch to ->exec-op().
- meson:
- Misc cleanups and fixes.
- New OOB layout.
- Sunxi:
- A23/A33 NAND DMA support.
- Ingenic:
- Full reorganization and cleanup.
- Clear separation between NAND controller and ECC engine.
- Support JZ4740 an JZ4725B.
- Denali:
- Clear controller/chip separation.
- ->exec_op() migration.
- Various cleanups.
- fsl_elbc:
- Enable software ECC support.
- Atmel:
- Sam9x60 support.
- GPMI:
- Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
- Avoid crossing 4K address boundary on read/write
- Add support for Intel Comet Lake SPI serial flash"
* tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: part: fix incorrect format specifier for an unsigned long long
mtd: lpddr_cmds: Mark expected switch fall-through
mtd: phram: Mark expected switch fall-throughs
mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
mtd: cfi_util: mark expected switch fall-throughs
MAINTAINERS: MTD Git repository is hosted on kernel.org
MAINTAINERS: Update jffs2 entry
mtd: afs: add v2 partition parsing
mtd: afs: factor the IIS read into partition parser
mtd: afs: factor footer parsing into the v1 part parsing
mtd: factor out v1 partition parsing
mtd: afs: simplify partition detection
mtd: afs: simplify partition parsing
mtd: partitions: Add OF support to AFS partitions
mtd: partitions: Add AFS partitions DT bindings
mtd: afs: Move AFS partition parser to parsers subdir
mtd: maps: Make uclinux_ram_map static
mtd: maps: Allow MTD_PHYSMAP with MTD_RAM
MAINTAINERS: Add myself as MTD maintainer
MAINTAINERS: Remove my name from the MTD and NAND entries
...
|
||
|
Linus Torvalds
|
983dfa4b6e |
This pull request contains the following changes for UML:
- Kconfig cleanups - Fix cpu_all_mask() usage - Various bug fixes -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlzYi30WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wdDcD/wLx0xljjSb+j08VVSvVWGah1Vl DMVyLp1Eik8KRnc6vR+IfC6qDE2+QmJvcLLx4IQ8wpgce+mvhLSy0+8SNsU9tz7t 7ZYVR++L3If3dx72J1aJquQt4PNLQn7QAdPWOA/FiYy4mqjxZUg4HVwf/Oge/2Un jfom649xl1gdcYlXTCOadb4Xmqo1BSEW+Ms1zqrQlBpU6ePMvojPkjBMdaCbCjMg bLt4XjtVbgBH3FnH0ZvuDzrMW229LiLot4KF0iUW36/gV/ZRATbinst5AQ5mUsMP GgrqbeU+wDdzt73p/l1NG7u3DZHOhoAW1ZWTqwBMKiazQiJPa90V9TIOwbnSl7zc hBEKKkU/u6p5E5TADcTty9ZJfCM+3Zatqt004WSbi+ug363G08XrTb3wWz6AruQ/ 9shTUmzwYsK1Bzllf2T2WShBrN+vMdmpzf4+v66N1KhcPrb7Eh81N/VhQG+rvfSb Ju/lDhu6OxlHr9OlGinI0SCLgjpk3qWcNd1noFdQsTewIopQsOL6H4R7711md3ow PWl7HAspvCRD3ub12y0wS3bb/4AUyoBrMDT/VBfk2vH0BbCzlR/ckaKE+lk2Y2Mr BpURt1zcqnpqi5LqRC//dhCFPyzpXd+yYVy1P6bN8q5lvfuIoaRdl2YeWjMfoo0v r+loEdGNa57Qj67ncg== =HB9o -----END PGP SIGNATURE----- Merge tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Kconfig cleanups - Fix cpu_all_mask() usage - Various bug fixes * tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: irq: don't set the chip for all irqs um: define set_pte_at() as a static inline function, not a macro um: remove uses of variable length arrays um: remove unused variable uml: fix a boot splat wrt use of cpu_all_mask um: Do not unlock mutex that is not hold. hostfs: fix mismatch between link_file definition and declaration arch: um: drivers: Kconfig: pedantic formatting arch: um: Kconfig: pedantic indention cleanups um: Revert to using stack for pt_regs in signal handling |
||
|
Linus Torvalds
|
47782361ac |
chrome platform changes for v5.2
CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6gYDF28Li+nEiKLaHwn1ewov5lgFAlzV61YACgkQHwn1ewov 5lgEFw//S7GVmBrFxcqu5wAjF1CW+mOGi3y6nVuTAHanWG/hJGWT+itOwsdDp6c9 TggYgohprz64JAZOPqPCTonV/qbxgsfKrSQRxFDtHH4F1iEUF46fnlsULDKi8VwM Qzj4g4d//ePsOwHOsYVrbJRU2qKyF6Rm2hpOxKfI9u2Dv5fxLFu6fxUhrSq1Inr6 U67j7pxBwOnBtN2A6hMKHZaOUVkSNYT6azSPO3Z2YH0aky2Baxw/LPoRnbCNhwUQ iyneX5+K0wpCz2fpnBF/QSh1QBACeyfrO6HHA+flfaejhShaWttrS36Gar+sdHFN p6eeR1CoEJZbRY79Eetj8Cv5Be1ivVG/SC5JF4O1apAAn87wXLI6AaLG/03ul0vc KOkcjrXMxISRlAUr+OKD0rg3Uo2oI0ht70XMT9DDsCRNDoVHvkDQJNdkWrKq+E1c xL4YeLofZpcEN+Oe/WnwUZtYUdY3qcWs+C4hV+h0L0Ke5xir25DEUfF3j3J/uK2B JEgkTpH8j6YjbGAErBPkTxWt5HE3oWtkK4moPlrfPKfxoSo2eRDvqz68qHsgIn8p WBM+FSr+dQ7qyYDigMKrFSesiBpwCBI4lIgPxkvTxqbubaoZcsABHm3BUGjykXII E5z2qsgRnDrB+uGGDkTvDoR0Kr3U0hGlag7u/N61H86PoiMLUig= =NF5N -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs" * tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_proto: Add trace event to trace EC commands platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper platform/chrome: cros_ec: Add EC host command support using rpmsg platform/chrome: wilco_ec: Add h1_gpio status to debugfs platform/chrome: wilco_ec: Standardize mailbox interface platform/chrome: cros_ec_proto: check for NULL transfer function platform/chrome: Add CrOS USB PD logging driver platform/chrome: cros_ec_spi: Transfer messages at high priority platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported |
||
|
Linus Torvalds
|
8148c17b17 |
This is the bulk of the GPIO changes for the v5.2 kernel cycle:
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to
be handled consistently. Unsurprisingly, we enforce the lines to
be either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone
does, so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed.
Such nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs
and outputs at the same time and after improving the MMIO library
we handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM
work as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update.
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Merge tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull gpio updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.2 kernel cycle. A bit
later than usual because I was ironing out my own mistakes. I'm
holding some stuff back for the next kernel as a result, and this
should be a healthy and well tested batch.
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to be
handled consistently. Unsurprisingly, we enforce the lines to be
either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone does,
so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed. Such
nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs and
outputs at the same time and after improving the MMIO library we
handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM work
as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update"
* tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: Update documentation
docs: gpio: convert docs to ReST and rename to *.rst
gpio: sch: Remove write-only core_base
gpio: pxa: Make two symbols static
gpiolib: acpi: Respect pin bias setting
gpiolib: acpi: Add acpi_gpio_update_gpiod_lookup_flags() helper
gpiolib: acpi: Set pin value, based on bias, more accurately
gpiolib: acpi: Change type of dflags
gpiolib: Introduce GPIO_LOOKUP_FLAGS_DEFAULT
gpiolib: Make use of enum gpio_lookup_flags consistent
gpiolib: Indent entry values of enum gpio_lookup_flags
gpio: pca953x: add support for pca6416
dt-bindings: gpio: pca953x: document the nxp,pca6416
gpio: pca953x: add pcal6416 to the of_device_id table
gpio: gpio-omap: Remove conditional pm_runtime handling for GPIO interrupts
gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup
tracing: stop making gpio tracing configurable
gpio: pca953x: Configure wake-up path when wake-up is enabled
gpio: of: Optimize quirk checks
gpio: mmio: Drop bgpio_dir_inverted
...
|
||
|
Linus Torvalds
|
6fe567df04 |
VFIO updates for v5.2-rc1
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases
(Parav Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
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Merge tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases (Parav
Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
* tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio:
vfio: Add Cornelia Huck as reviewer
vfio/mdev: Avoid inline get and put parent helpers
vfio/mdev: Fix aborting mdev child device removal if one fails
vfio/mdev: Follow correct remove sequence
vfio/mdev: Avoid masking error code to EBUSY
vfio/mdev: Drop redundant extern for exported symbols
vfio/mdev: Removed unused kref
vfio/mdev: Avoid release parent reference during error path
vfio-pci/nvlink2: Fix potential VMA leak
vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING"
vfio: Use dev_printk() when possible
|
||
|
Linus Torvalds
|
c367dc8d0d |
Merge branch 'next-tomoyo2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull tomoyo updates from James Morris: "Fixes to enable fuzz testing, and a fix for calculating whether a filesystem is user-modifiable" * 'next-tomoyo2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: tomoyo: Don't emit WARNING: string while fuzzing testing. tomoyo: Change pathname calculation for read-only filesystems. tomoyo: Check address length before reading address family tomoyo: Add a kernel config option for fuzzing testing. |
||
|
Linus Torvalds
|
7a5575212c |
Xtensa updates for v5.2:
- implement atomic operations using exclusive access Xtensa option operations. - add support for Xtensa cores with memory protection unit (MPU). - clean up xtensa-specific kernel-only headers. - fix error path in simdisk_setup. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAlzV0oQTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRHTkD/sETyrWaYCSvz07gcvxsauJgkKyikq3 oNsO6H0R9WzIRtofP7eIPe1me46YDxPGJxx3VEnJA1JWvUg8CU1UNmvA3ZD4yXp2 tA1G8/0WFbiKXX+svNXlIkCtBHm2Y9wdT2l1zfFLnQgyuJhr9uwrIY0YmQYM+INe bAX9PyDg2aa2GkCkZMFvMeFrMHEAx+ae/A9jYqhnsmrYbfIV/4qdcKpgm0lty/fv RRNx+eqDamI5EMnXQwW86/1YxB+KItKGSEQ3t/20jBXcH1tZsXAvcs91kKH1/nCE cR8w21yBWCulPSuACqqrwtZ+aCxsQ22O4QMtlmJEl0jsWOdOk47JeyLwAqbGZS7g nk5FQH7/aGU250HOCLEX1IdA0VZsOeJRXfJknFcEyfKi8JuhXZK/zHyhNE3VkpH5 cfA1dVRFH4qmKevEWygBfNyo8rR9E/0aaNhTzMUHXrIU07fxh5CQk9trIlwtWWsS kEV3bEsTMXdz3e4ev5HLUuJzLlYQ7Szs1HsgB5XPUsCC4kwbjKZTN8BtqIpx7P9K lDVplXKlHOd2SJ9Ii5eJ0Zn9cBdUulqrQzHlSg6kWyrfQ/QrY8OFwCM8hUQIWGir MrpSWfafjIudjdxN3lHEM8Gv0LzNmjwWrh6QJYlE08Ggi7QXM/BiXkgBDaeRItbl xLB9UsUsTL8OLQ== =aszE -----END PGP SIGNATURE----- Merge tag 'xtensa-20190510' of git://github.com/jcmvbkbc/linux-xtensa Pull xtensa updates from Max Filippov: - implement atomic operations using exclusive access Xtensa option operations - add support for Xtensa cores with memory protection unit (MPU) - clean up xtensa-specific kernel-only headers - fix error path in simdisk_setup * tag 'xtensa-20190510' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: implement initialize_cacheattr for MPU cores xtensa: add exclusive atomics support xtensa: clean up inline assembly in futex.h xtensa: replace variant/core.h with asm/core.h xtensa: drop ifdef __KERNEL__ from kernel-only headers xtensa: set proper error code for simdisk_setup() xtensa: fix incorrect fd close in error case of simdisk_setup() |
||
Tetsuo Handa
|
4ad98ac464 |
tomoyo: Don't emit WARNING: string while fuzzing testing.
Commit cff0e6c3ec3e6230 ("tomoyo: Add a kernel config option for fuzzing
testing.") enabled the learning mode, but syzkaller is detecting any
"WARNING:" string as a crash. Thus, disable TOMOYO's quota warning if
built for fuzzing testing.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
|
||
|
Tetsuo Handa
|
27df4b4a1b |
tomoyo: Change pathname calculation for read-only filesystems.
Commit
|
||
|
Tetsuo Handa
|
e6193f78bb |
tomoyo: Check address length before reading address family
KMSAN will complain if valid address length passed to bind()/connect()/
sendmsg() is shorter than sizeof("struct sockaddr"->sa_family) bytes.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
|
||
|
Tetsuo Handa
|
e80b18599a |
tomoyo: Add a kernel config option for fuzzing testing.
syzbot is reporting kernel panic triggered by memory allocation fault injection before loading TOMOYO's policy [1]. To make the fuzzing tests useful, we need to assign a profile other than "disabled" (no-op) mode. Therefore, let's allow syzbot to load TOMOYO's built-in policy for "learning" mode using a kernel config option. This option must not be enabled for kernels built for production system, for this option also disables domain/program checks when modifying policy configuration via /sys/kernel/security/tomoyo/ interface. [1] https://syzkaller.appspot.com/bug?extid=29569ed06425fcf67a95 Reported-by: syzbot <syzbot+e1b8084e532b6ee7afab@syzkaller.appspotmail.com> Reported-by: syzbot <syzbot+29569ed06425fcf67a95@syzkaller.appspotmail.com> Reported-by: syzbot <syzbot+2ee3f8974c2e7dc69feb@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jamorris@linux.microsoft.com> |
||
|
Linus Torvalds
|
1fb3b526df |
Some late arriving documentation changes. In particular, this contains the
conversion of the x86 docs to RST, which has been in the works for some time but needed a couple of final tweaks. -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAlzVlVoPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YPWgH/1z+HO4QiLZ72kVxLf2U5r6FAo4CtQYLymL/ GiDabC7Jt7hobXdFQmDXhFnLOR/ibMnawJw2JAgWXDo33KenKGbE2OiW8ecsebSb hd1F3pU6P3gVTYItcuM8dZ6/0C/F98/J/O3O3sOhZ0Uup2WPxW5XdNOp7LjFQScc ENkgm2C5trs1wGjVswXWztGxSTcYrF7ehhjpWsFr9MUnUOI6ghvXX1akN3cEo7eo 7D8nvG2/HWOkf9Oq87/1uQxF6lERRqOQE+HN1J80XUsNTV5Hn40RP40FeebVv1rr 1GjUu+mKk/5uV+OlRWFqLbt10cU4+TKKfNTqfEchHyDOMpJD+S0= =hfly -----END PGP SIGNATURE----- Merge tag 'docs-5.2a' of git://git.lwn.net/linux Pull more documentation updates from Jonathan Corbet: "Some late arriving documentation changes. In particular, this contains the conversion of the x86 docs to RST, which has been in the works for some time but needed a couple of final tweaks" * tag 'docs-5.2a' of git://git.lwn.net/linux: (29 commits) Documentation: x86: convert x86_64/machinecheck to reST Documentation: x86: convert x86_64/cpu-hotplug-spec to reST Documentation: x86: convert x86_64/fake-numa-for-cpusets to reST Documentation: x86: convert x86_64/5level-paging.txt to reST Documentation: x86: convert x86_64/mm.txt to reST Documentation: x86: convert x86_64/uefi.txt to reST Documentation: x86: convert x86_64/boot-options.txt to reST Documentation: x86: convert i386/IO-APIC.txt to reST Documentation: x86: convert usb-legacy-support.txt to reST Documentation: x86: convert orc-unwinder.txt to reST Documentation: x86: convert resctrl_ui.txt to reST Documentation: x86: convert microcode.txt to reST Documentation: x86: convert pti.txt to reST Documentation: x86: convert amd-memory-encryption.txt to reST Documentation: x86: convert intel_mpx.txt to reST Documentation: x86: convert protection-keys.txt to reST Documentation: x86: convert pat.txt to reST Documentation: x86: convert mtrr.txt to reST Documentation: x86: convert tlb.txt to reST Documentation: x86: convert zero-page.txt to reST ... |
||
|
Linus Torvalds
|
e290e6af1d |
Printk fixup for 5.2
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||
|
Linus Torvalds
|
3232b43f72 |
pidfd fixes for v5.2-rc1
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Merge tag 'pidfd-fixes-v5.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux
Pull pidfd fixes from Christian Brauner:
"This fixes two bugs:
- The first one reported by Linus whereby the pidfd-metadata binary
was not placed in a .gitignore file.
- The second one is rather urgent and fixes a locking issue found by
syzkaller.
What happened is that during process creation we need to check
whether the cgroup we are in allows us to fork. To perform this
check the cgroup needs to guard itself against threadgroup changes
and takes a lock.
Prior to CLONE_PIDFD the cleanup target "bad_fork_free_pid" would
also need to release said lock. That's not true anymore since
CLONE_PIDFD so this is fixed here.
Syzkaller has tested the patch and was not able to reproduce the
issue"
* tag 'pidfd-fixes-v5.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux:
fork: do not release lock that wasn't taken
samples: add .gitignore for pidfd-metadata
|
||
|
Linus Torvalds
|
7817ffd20a |
platform-drivers-x86 for v5.2-1
New driver of power button for Basin Cove PMIC.
ASUS WMI driver has got a Fn lock mode switch support.
Resolve a never end story with non working Wi-Fi on newer Lenovo Ideapad
computers. Now the black list is replaced with white list.
New facility to debug S0ix failures on Intel Atom platforms. The Intel PMC
and accompanying drivers are cleaned up.
Mellanox got a new TmFifo driver. Besides tachometer sensor and watchdog
are enabled on Mellanox platforms.
The information of embedded controller is now recognized on new Thinkpads.
Bluetooth driver on Thinkpads is blacklisted for some models.
Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b' and
Myria MY8307 2-in-1.
Additionally few small fixes here and there for WMI and ACPI laptop drivers.
The following is an automated git shortlog grouped by driver:
alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
asus-wmi:
- Add fn-lock mode switch support
dell-laptop:
- fix rfkill functionality
dell-rbtn:
- Add missing #include
ideapad-laptop:
- Remove no_hw_rfkill_list
intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
intel_punit_ipc:
- Revert "Fix resource ioremap warning"
mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
sony-laptop:
- Fix unintentional fall-through
thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1
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Merge tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Gathered pile of patches for Platform Drivers x86. No surprises and no
merge conflicts. Business as usual.
Summary:
- New driver of power button for Basin Cove PMIC.
- ASUS WMI driver has got a Fn lock mode switch support.
- Resolve a never end story with non working Wi-Fi on newer Lenovo
Ideapad computers. Now the black list is replaced with white list.
- New facility to debug S0ix failures on Intel Atom platforms. The
Intel PMC and accompanying drivers are cleaned up.
- Mellanox got a new TmFifo driver. Besides tachometer sensor and
watchdog are enabled on Mellanox platforms.
- The information of embedded controller is now recognized on new
Thinkpads. Bluetooth driver on Thinkpads is blacklisted for some
models.
- Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b'
and Myria MY8307 2-in-1.
- Additionally few small fixes here and there for WMI and ACPI laptop
drivers.
- The following is an automated git shortlog grouped by driver:
- alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
- asus-wmi:
- Add fn-lock mode switch support
- dell-laptop:
- fix rfkill functionality
- dell-rbtn:
- Add missing #include
- ideapad-laptop:
- Remove no_hw_rfkill_list
- intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
- intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
- intel_punit_ipc:
- Revert "Fix resource ioremap warning"
- mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
- sony-laptop:
- Fix unintentional fall-through
- thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
- touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1"
* tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86: (26 commits)
platform/x86: Add support for Basin Cove power button
platform/x86: asus-wmi: Add fn-lock mode switch support
platform/x86: ideapad-laptop: Remove no_hw_rfkill_list
platform/x86: touchscreen_dmi: Add info for 'jumper ezpad 6 pro b' touchscreen
platform/x86: thinkpad_acpi: cleanup for Thinkpad ACPI led
platform/x86: thinkpad_acpi: Mark expected switch fall-throughs
platform/x86: sony-laptop: Fix unintentional fall-through
platform/x86: alienware-wmi: printing the wrong error code
platform/x86: intel_pmc_core: Allow to dump debug registers on S0ix failure
platform/x86: intel_pmc_core: Convert to a platform_driver
platform/x86: mlx-platform: Add mlx-wdt platform driver activation
platform/x86: mlx-platform: Add support for tachometer speed register
platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc
platform/x86: thinkpad_acpi: fix spelling mistake "capabilites" -> "capabilities"
platform/x86: intel_punit_ipc: Revert "Fix resource ioremap warning"
platform/x86: intel_pmc_ipc: Don't map non-used optional resources
platform/x86: intel_pmc_ipc: Apply same width for offset definitions
platform/x86: intel_pmc_ipc: Use BIT() macro
platform/x86: alienware-wmi: fix kfree on potentially uninitialized pointer
platform/x86: dell-laptop: fix rfkill functionality
...
|
||
|
Linus Torvalds
|
cccd559e98 |
fbdev changes for v5.2:
- fix regression in fbcon logo handling on 'quiet' boots (Andreas Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver - fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver - fix SM720 support related issues (Yifeng Li)
- update macfb driver - fix DAFB colour table pointer initialization and
remove redundant code (Finn Thain)
- update atafb driver - fix kexec support, use dev_*() calls instead of
printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from atmel_lcdfb
driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva, Aditya
Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)
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Merge tag 'fbdev-v5.2' of git://github.com/bzolnier/linux
Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"Four small fixes for fb core, updates for udlfb, sm712fb, macfb and
atafb drivers. Redundant code removals from amba-clcd and atmel_lcdfb
drivers. Minor fixes/cleanups for other fb drivers
Detailed summary:
- fix regression in fbcon logo handling on 'quiet' boots (Andreas
Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver: fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver: fix SM720 support related issues (Yifeng Li)
- update macfb driver: fix DAFB colour table pointer initialization
and remove redundant code (Finn Thain)
- update atafb driver: fix kexec support, use dev_*() calls instead
of printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from
atmel_lcdfb driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva,
Aditya Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)"
* tag 'fbdev-v5.2' of git://github.com/bzolnier/linux: (38 commits)
video: fbdev: Use dev_get_drvdata()
fbcon: Don't reset logo_shown when logo is currently shown
video: fbdev: atmel_lcdfb: remove set but not used variable 'pdata'
video: fbdev: mxsfb: remove set but not used variable 'line_count'
video: fbdev: pvr2fb: remove set but not used variable 'size'
fbdev: fix WARNING in __alloc_pages_nodemask bug
video: amba-clcd: Decomission Versatile and Nomadik
fbdev: sm712fb: fix memory frequency by avoiding a switch/case fallthrough
fbdev: fix divide error in fb_var_to_videomode
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
fbdev: sm712fb: fix support for 1024x768-16 mode
fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting
fbdev: sm712fb: fix crashes during framebuffer writes by correctly mapping VRAM
fbdev: sm712fb: fix boot screen glitch when sm712fb replaces VGA
fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75
fbdev: sm712fb: fix brightness control on reboot, don't set SR30
fbdev: sm712fb: fix white screen of death on reboot, don't set CR3B-CR3F
video: imsttfb: fix potential NULL pointer dereferences
video: hgafb: fix potential NULL pointer dereference
fbdev: list all pci memory bars as conflicting apertures
...
|
||
|
Linus Torvalds
|
cece6460c2 |
pwm: Changes for v5.2-rc1
Nothing out of the ordinary this cycle. The bulk of this is a collection of fixes for existing drivers and some cleanups. There's one new driver for i.MX SoCs and addition of support for some new variants to existing drivers. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEEiOrDCAFJzPfAjcif3SOs138+s6EFAlzVW/MZHHRoaWVycnku cmVkaW5nQGdtYWlsLmNvbQAKCRDdI6zXfz6zoVgJEACIqcHeP5SrGv+Bh5xoAsNL HNLu72QOTVFYICBPSTqsS9QgGvkeZErv86dheYp6MSJHuRCGu/d4Vlp6iY8YmiS0 i3Vi9Ib8sGsbC2kKJSsLnAO7d1JrDkyxYS8sSGSR0G2xKZA1dgXVqtAEdOubUU0x /HrzpP8uSoSiKflEfGtU3OykAdY8b1UBtWuC+KxVP2z5A2IAJchYQcXQ3v+kVbvT Jp+mYbYfViwb40JKFkg67hm7y494LFAMZhInzv5ImQXl1ji+C2VPGfqBdlxwgW8g +OyP0Conh6oHlEB4Wc7xfWec0PYJee9hNlXR30L+a1OCTisnOq7aHHjf6+ej7NDq KeQPEt9r8URgRMbfPvL70TRk46QeToeC07BO7aEGK3gd2C2c6ZoFmyhhauM6j2z0 eL8xK7WnynKCUrQ0tgQhv8AZkZE/Hp2ddgicyu0ARECugRiqd/uVNeip3M3TkPmV Zv0nRZzhFUk+t0DNX6krEVzvkaFznzWGDK6PGeHHbNdR58GaRnYzM0WXytYqUNGa +kryN/sj0vgzVj+ATxvDfVYqAtZMYcXvZMJQhfjNAPP89F3lHrsONf6pvD++azOM 8HugNF01zR0uZ2Z/JXPL5mZxybYlCBQdmK6QxEB+YcmJizCcnOCsWoEi1XVOGyCC /alcvvLa2DceO1lJIo0o7g== =3p6h -----END PGP SIGNATURE----- Merge tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "Nothing out of the ordinary this cycle. The bulk of this is a collection of fixes for existing drivers and some cleanups. There's one new driver for i.MX SoCs and addition of support for some new variants to existing drivers" * tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: meson: Add clock source configuration for Meson G12A dt-bindings: pwm: Update bindings for the Meson G12A Family pwm: samsung: Don't uses devm_*() functions in ->request() pwm: Clear chip_data in pwm_put() pwm: Add i.MX TPM PWM driver support dt-bindings: pwm: Add i.MX TPM PWM binding pwm: imx27: Use devm_platform_ioremap_resource() to simplify code pwm: meson: Use the spin-lock only to protect register modifications pwm: meson: Don't disable PWM when setting duty repeatedly pwm: meson: Consider 128 a valid pre-divider pwm: sysfs: fix typo "its" -> "it's" pwm: tiehrpwm: Enable compilation for ARCH_K3 dt-bindings: pwm: tiehrpwm: Add TI AM654 SoC specific compatible pwm: tiehrpwm: Update shadow register for disabling PWMs pwm: img: Turn final 'else if' into 'else' in img_pwm_config pwm: Fix deadlock warning when removing PWM device |
||
|
Linus Torvalds
|
15500c0a50 |
- New driver: Armada 37xx mailbox controller
- Misc: Use devm_ api for imx and platform_get_irq for stm32 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAlzTv38ACgkQf9lkf8eY P5VOQQ//d2rKhGB1GjVZQlezRa+AOLWr69cbN4mcxUvXp+PJmrcnqn1Ld7QzPXCl /Xc/2+KxtZ5WX7vtmGu45eSFiCqf2apXfDaQf89ZrtCbUKT1GBJRUvvBeCmFv4pZ bnA0PTCsHkpdvttmM2W++ZHFmgVxKOTQmtTZFsmwohJNfALkoQaw9NgKUuBKzPdI DutmXNBLXm+EkEjuIjvsKdgE63g49BTio9BRzX85+PKYmRohOa5xb05pW4KLOvOW WJ4KeUDHdWinIoedBg+FGlgWjACP3at6h3sKVqDsv76NmsCZHWjh3OV2pqQSp1ta n7HD/xPoGKNRDb+8r1CL3YLgwY4Hdvkq73koX8BGJ1jkB7LmikofGz0tnigcjrY/ D4QIPu+nIsi7hZs4S2nSMvvLWcdhUkDFa1F0hf3shYV+tPqUAFMYeG5MwMEQ4zqW KMUieCPRA4n5jiwQ3CBZgfcB+tCNJnsEkDtLoJydKNvgawpTanff7IJO2vALN64K PnIcPkHzFlbQj8lOLffCTFqqnOabkwaxeyV5r9oiT0OAg0paRBXrAo3VyVONzwqK vMAhNSygqeKudQ8EQcQS+0ymyjfSCJXa1M93lVG679VKcyVVrs0uEhjvub1abv3v Co08qKk18lsqYc55E8BzZ4T+F/mifzmEIPblM6EA9DnooSSrE/o= =rUxA -----END PGP SIGNATURE----- Merge tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: - New driver: Armada 37xx mailbox controller - Misc: Use devm_ api for imx and platform_get_irq for stm32 * tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: Add support for Armada 37xx rWTM mailbox dt-bindings: mailbox: Document armada-3700-rwtm-mailbox binding mailbox: stm32-ipcc: check invalid irq mailbox: imx: use devm_platform_ioremap_resource() to simplify code |
||
Petr Mladek
|
2ac5a3bf70 |
vsprintf: Do not break early boot with probing addresses
The commit |
||
|
Linus Torvalds
|
b970afcfca |
powerpc updates for 5.2
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents the kernel
from accidentally accessing userspace outside copy_to/from_user(), or
ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to use the
same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for 64-bit Book3S
(ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup in the
null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors with the time
base (our clocksource), however if that fails currently we hang in __delay()
and never crash. We now have support for detecting that case and short
circuiting __delay() so we at least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had to be
disabled by default due to a hardware erratum. This has the effect of
enabling hardware breakpoints for GDB, the downside is a badly behaved
program could crash the machine by pointing the DAWR at cache inhibited
memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where operations
that could change memory or otherwise disturb the system are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to:
Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey Kardashevskiy, Andrew
Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Ben Hutchings,
Bo YU, Breno Leitao, Cédric Le Goater, Christopher M. Riedl, Christoph
Hellwig, Colin Ian King, David Gibson, Ganesh Goudar, Gautham R. Shenoy,
George Spelvin, Greg Kroah-Hartman, Greg Kurz, Horia Geantă, Jagadeesh
Pagadala, Joel Stanley, Joe Perches, Julia Lawall, Laurentiu Tudor, Laurent
Vivier, Lukas Bulwahn, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu
Malaterre, Michael Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch,
Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith, Sukadev
Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler, Valentin
Schneider, Wei Yongjun, Wen Yang, YueHaibing.
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Merge tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Slightly delayed due to the issue with printk() calling
probe_kernel_read() interacting with our new user access prevention
stuff, but all fixed now.
The only out-of-area changes are the addition of a cpuhp_state, small
additions to Documentation and MAINTAINERS updates.
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents
the kernel from accidentally accessing userspace outside
copy_to/from_user(), or ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to
use the same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for
64-bit Book3S (ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup
in the null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors
with the time base (our clocksource), however if that fails
currently we hang in __delay() and never crash. We now have support
for detecting that case and short circuiting __delay() so we at
least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had
to be disabled by default due to a hardware erratum. This has the
effect of enabling hardware breakpoints for GDB, the downside is a
badly behaved program could crash the machine by pointing the DAWR
at cache inhibited memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where
operations that could change memory or otherwise disturb the system
are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to: Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey
Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar,
Anton Blanchard, Ben Hutchings, Bo YU, Breno Leitao, Cédric Le Goater,
Christopher M. Riedl, Christoph Hellwig, Colin Ian King, David Gibson,
Ganesh Goudar, Gautham R. Shenoy, George Spelvin, Greg Kroah-Hartman,
Greg Kurz, Horia Geantă, Jagadeesh Pagadala, Joel Stanley, Joe
Perches, Julia Lawall, Laurentiu Tudor, Laurent Vivier, Lukas Bulwahn,
Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch, Nicholas Piggin,
Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith,
Sukadev Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler,
Valentin Schneider, Wei Yongjun, Wen Yang, YueHaibing"
* tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (205 commits)
powerpc/64s: Use early_mmu_has_feature() in set_kuap()
powerpc/book3s/64: check for NULL pointer in pgd_alloc()
powerpc/mm: Fix hugetlb page initialization
ocxl: Fix return value check in afu_ioctl()
powerpc/mm: fix section mismatch for setup_kup()
powerpc/mm: fix redundant inclusion of pgtable-frag.o in Makefile
powerpc/mm: Fix makefile for KASAN
powerpc/kasan: add missing/lost Makefile
selftests/powerpc: Add a signal fuzzer selftest
powerpc/booke64: set RI in default MSR
ocxl: Provide global MMIO accessors for external drivers
ocxl: move event_fd handling to frontend
ocxl: afu_irq only deals with IRQ IDs, not offsets
ocxl: Allow external drivers to use OpenCAPI contexts
ocxl: Create a clear delineation between ocxl backend & frontend
ocxl: Don't pass pci_dev around
ocxl: Split pci.c
ocxl: Remove some unused exported symbols
ocxl: Remove superfluous 'extern' from headers
ocxl: read_pasid never returns an error, so make it void
...
|
||
Christian Brauner
|
c3b7112df8
|
fork: do not release lock that wasn't taken
Avoid calling cgroup_threadgroup_change_end() without having called
cgroup_threadgroup_change_begin() first.
During process creation we need to check whether the cgroup we are in
allows us to fork. To perform this check the cgroup needs to guard itself
against threadgroup changes and takes a lock.
Prior to CLONE_PIDFD the cleanup target "bad_fork_free_pid" would also need
to call cgroup_threadgroup_change_end() because said lock had already been
taken.
However, this is not the case anymore with the addition of CLONE_PIDFD. We
are now allocating a pidfd before we check whether the cgroup we're in can
fork and thus prior to taking the lock. So when copy_process() fails at the
right step it would release a lock we haven't taken.
This bug is not even very subtle to be honest. It's just not very clear
from the naming of cgroup_threadgroup_change_{begin,end}() that a lock is
taken.
Here's the relevant splat:
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fec849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90
90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90
90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000
RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(depth <= 0)
WARNING: CPU: 1 PID: 7744 at kernel/locking/lockdep.c:4052 __lock_release
kernel/locking/lockdep.c:4052 [inline]
WARNING: CPU: 1 PID: 7744 at kernel/locking/lockdep.c:4052
lock_release+0x667/0xa00 kernel/locking/lockdep.c:4321
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7744 Comm: syz-executor007 Not tainted 5.1.0+ #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
panic+0x2cb/0x65c kernel/panic.c:214
__warn.cold+0x20/0x45 kernel/panic.c:566
report_bug+0x263/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:179 [inline]
fixup_bug arch/x86/kernel/traps.c:174 [inline]
do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:972
RIP: 0010:__lock_release kernel/locking/lockdep.c:4052 [inline]
RIP: 0010:lock_release+0x667/0xa00 kernel/locking/lockdep.c:4321
Code: 0f 85 a0 03 00 00 8b 35 77 66 08 08 85 f6 75 23 48 c7 c6 a0 55 6b 87
48 c7 c7 40 25 6b 87 4c 89 85 70 ff ff ff e8 b7 a9 eb ff <0f> 0b 4c 8b 85
70 ff ff ff 4c 89 ea 4c 89 e6 4c 89 c7 e8 52 63 ff
RSP: 0018:ffff888094117b48 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 1ffff11012822f6f RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815af236 RDI: ffffed1012822f5b
RBP: ffff888094117c00 R08: ffff888092bfc400 R09: fffffbfff113301d
R10: fffffbfff113301c R11: ffffffff889980e3 R12: ffffffff8a451df8
R13: ffffffff8142e71f R14: ffffffff8a44cc80 R15: ffff888094117bd8
percpu_up_read.constprop.0+0xcb/0x110 include/linux/percpu-rwsem.h:92
cgroup_threadgroup_change_end include/linux/cgroup-defs.h:712 [inline]
copy_process.part.0+0x47ff/0x6710 kernel/fork.c:2222
copy_process kernel/fork.c:1772 [inline]
_do_fork+0x25d/0xfd0 kernel/fork.c:2338
__do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline]
__se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline]
__ia32_compat_sys_x86_clone+0xbc/0x140 arch/x86/ia32/sys_ia32.c:236
do_syscall_32_irqs_on arch/x86/entry/common.c:334 [inline]
do_fast_syscall_32+0x281/0xd54 arch/x86/entry/common.c:405
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fec849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90
90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90
90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000
RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..
Reported-and-tested-by: syzbot+3286e58549edc479faae@syzkaller.appspotmail.com
Fixes:
|
||
|
Christian Brauner
|
8b0e1fea30
|
samples: add .gitignore for pidfd-metadata
Ignore the pidfd-metadata binary so it doesn't show up in unwanted scenarios. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Christian Brauner <christian@brauner.io> |
||
|
Linus Torvalds
|
8ea5b2abd0 |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs mount fix from Al Viro: "Fix for umount -l/mount --move race caught by syzbot yesterday..." * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: do_move_mount(): fix an unsafe use of is_anon_ns() |
||
|
Linus Torvalds
|
601e6bcc4e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Several bug fixes, many are quick merge-window regression cures:
- When NLM_F_EXCL is not set, allow same fib rule insertion. From
Hangbin Liu.
- Several cures in sja1105 DSA driver (while loop exit condition fix,
return of negative u8, etc.) from Vladimir Oltean.
- Handle tx/rx delays in realtek PHY driver properly, from Serge
Semin.
- Double free in cls_matchall, from Pieter Jansen van Vuuren.
- Disable SIOCSHWTSTAMP in macvlan/vlan containers, from Hangbin Liu.
- Endainness fixes in aqc111, from Oliver Neukum.
- Handle errors in packet_init properly, from Haibing Yue.
- Various W=1 warning fixes in kTLS, from Jakub Kicinski"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
nfp: add missing kdoc
net/tls: handle errors from padding_length()
net/tls: remove set but not used variables
docs/btf: fix the missing section marks
nfp: bpf: fix static check error through tightening shift amount adjustment
selftests: bpf: initialize bpf_object pointers where needed
packet: Fix error path in packet_init
net/tcp: use deferred jump label for TCP acked data hook
net: aquantia: fix undefined devm_hwmon_device_register_with_info reference
aqc111: fix double endianness swap on BE
aqc111: fix writing to the phy on BE
aqc111: fix endianness issue in aqc111_change_mtu
vlan: disable SIOCSHWTSTAMP in container
macvlan: disable SIOCSHWTSTAMP in container
tipc: fix hanging clients using poll with EPOLLOUT flag
tuntap: synchronize through tfiles array instead of tun->numqueues
tuntap: fix dividing by zero in ebpf queue selection
dwmac4_prog_mtl_tx_algorithms() missing write operation
ptp_qoriq: fix NULL access if ptp dt node missing
net/sched: avoid double free on matchall reoffload
...
|
||
Jakub Kicinski
|
6c9f054414 |
nfp: add missing kdoc
Add missing kdoc for app member. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
David S. Miller
|
f50c8a019b |
Merge branch 'tls-warnings'
Jakub Kicinski says: ==================== net/tls: fix W=1 build warnings This small series cleans up two outstanding W=1 build warnings in tls code. Both are set but not used variables. The first case looks fairly straightforward. In the second I think it's better to propagate the error code, even if not doing some does not lead to a crash with current code. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Jakub Kicinski
|
b53f4976fb |
net/tls: handle errors from padding_length()
At the time padding_length() is called the record header
is still part of the message. If malicious TLS 1.3 peer
sends an all-zero record padding_length() will stop at
the record header, and return full length of the data
including the tail_size.
Subsequent subtraction of prot->overhead_size from rxm->full_len
will cause rxm->full_len to turn negative. skb accessors,
however, will always catch resulting out-of-bounds operation,
so in practice this fix comes down to returning the correct
error code. It also fixes a set but not used warning.
This code was added by commit
|
||
|
Jakub Kicinski
|
88c80bee88 |
net/tls: remove set but not used variables
Commit
|
||
|
David S. Miller
|
15192f253e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says: ==================== pull-request: bpf 2019-05-09 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) three small fixes from Gary, Jiong and Lorenz. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Gary Lin
|
3ef4641fbf |
docs/btf: fix the missing section marks
The section titles of 3.4 and 3.5 are not marked correctly. Signed-off-by: Gary Lin <glin@suse.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
Jiong Wang
|
69e168ebdc |
nfp: bpf: fix static check error through tightening shift amount adjustment
NFP shift instruction has something special. If shift direction is left
then shift amount of 1 to 31 is specified as 32 minus the amount to shift.
But no need to do this for indirect shift which has shift amount be 0. Even
after we do this subtraction, shift amount 0 will be turned into 32 which
will eventually be encoded the same as 0 because only low 5 bits are
encoded, but shift amount be 32 will fail the FIELD_PREP check done later
on shift mask (0x1f), due to 32 is out of mask range. Such error has been
observed when compiling nfp/bpf/jit.c using gcc 8.3 + O3.
This issue has started when indirect shift support added after which the
incoming shift amount to __emit_shf could be 0, therefore it is at that
time shift amount adjustment inside __emit_shf should have been tightened.
Fixes:
|
||
Lorenz Bauer
|
07b619919d |
selftests: bpf: initialize bpf_object pointers where needed
There are a few tests which call bpf_object__close on uninitialized bpf_object*, which may segfault. Explicitly zero-initialise these pointers to avoid this. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Linus Torvalds
|
9b6c9e96f9 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc updates from David Miller:
"Here we go:
- Fix various long standing issues in the sparc 32-bit IOMMU support
code, from Christoph Hellwig.
- Various other code cleanups and simplifications all over. From
Gustavo A. R. Silva, Jagadeesh Pagadala, Masahiro Yamada, Mauro
Carvalho Chehab, Mike Rapoport"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: simplify reduce_memory() function
sparc: use struct_size() in kzalloc()
docs: sparc: convert to ReST
sparc/iommu: merge iommu_get_one and __sbus_iommu_map_page
sparc/iommu: use __sbus_iommu_map_page to implement the map_sg path
sparc/iommu: fix __sbus_iommu_map_page for highmem pages
sparc/iommu: move per-page flushing into __sbus_iommu_map_page
sparc/iommu: pass a physical address to iommu_get_one
sparc/iommu: create a common helper for map_sg
sparc/iommu: merge iommu_release_one and sbus_iommu_unmap_page
sparc/iommu: use sbus_iommu_unmap_page in sbus_iommu_unmap_sg
sparc/iommu: use !PageHighMem to check if a page has a kernel mapping
sparc: vdso: add FORCE to the build rule of %.so
arch:sparc:kernel/uprobes.c : Remove duplicate header
|
||
|
Linus Torvalds
|
ea5aee6d97 |
We have a couple new features and changes in the core clk framework this time
around because we've finally gotten around to fixing some long standing issues.
There's still work to do though, so this PR is largely laying down the
foundation for all the driver changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are specified. With
the new method, we should see lots of drivers migrate away from the current
design of string comparisons on the entire clk tree to a more direct method
where they can use clk_hw pointers or more localized names specified in DT or
via clkdev. This should reduce our reliance on string comparisons for all the
topology description logic that we've been using for years and hopefully speed
some things up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't really
helping anyone and we introduced big-endian versions of the basic clk types so
that we can get rid of clk_{readl,writel}(). Both of these are things that
driver developers have tried to use over the years that I typically bat away
during code reviews because they're not useful. It's great to see these two
things go away so maintainers can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that stand out
are the new driver support for Mediatek MT8183 and MT8516 SoCs, Amlogic Meson8b
and G12a SoCs, and the SiFive FU540 SoC. The other patches in the driver pile
are mostly fixes for things that are being used for the first time or additions
for clks that couldn't be tested before because there wasn't a consumer driver
that exercised them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Stephen Boyd:
"We have a couple new features and changes in the core clk framework
this time around because we've finally gotten around to fixing some
long standing issues. There's still work to do though, so this pull
request is largely laying down the foundation for all the driver
changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are
specified. With the new method, we should see lots of drivers migrate
away from the current design of string comparisons on the entire clk
tree to a more direct method where they can use clk_hw pointers or
more localized names specified in DT or via clkdev. This should reduce
our reliance on string comparisons for all the topology description
logic that we've been using for years and hopefully speed some things
up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't
really helping anyone and we introduced big-endian versions of the
basic clk types so that we can get rid of clk_{readl,writel}(). Both
of these are things that driver developers have tried to use over the
years that I typically bat away during code reviews because they're
not useful. It's great to see these two things go away so maintainers
can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that
stand out are the new driver support for Mediatek MT8183 and MT8516
SoCs, Amlogic Meson8b and G12a SoCs, and the SiFive FU540 SoC. The
other patches in the driver pile are mostly fixes for things that are
being used for the first time or additions for clks that couldn't be
tested before because there wasn't a consumer driver that exercised
them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (172 commits)
clk: Cache core in clk_fetch_parent_index() without names
clk: imx: correct pfdv2 gate_bit/vld_bit operations
clk: sifive: add a driver for the SiFive FU540 PRCI IP block
clk: analogbits: add Wide-Range PLL library
clk: imx: clk-pllv3: mark expected switch fall-throughs
clk: imx8mq: Add dsi_ipg_div
clk: imx: pllv4: add fractional-N pll support
clk: sunxi-ng: Use the correct style for SPDX License Identifier
clk: sprd: Use the correct style for SPDX License Identifier
clk: renesas: Use the correct style for SPDX License Identifier
clk: qcom: Use the correct style for SPDX License Identifier
clk: davinci: Use the correct style for SPDX License Identifier
clk: actions: Use the correct style for SPDX License Identifier
clk: imx: keep uart clock on during system boot
clk: imx: correct i.MX7D AV PLL num/denom offset
dt-bindings: clk: add documentation for the SiFive PRCI driver
clk: stm32mp1: Add ddrperfm clock
clk: Remove CLK_IS_BASIC clk flag
clock: milbeaut: Add Milbeaut M10V clock controller
dt-bindings: clock: milbeaut: add Milbeaut clock description
...
|
||
|
Linus Torvalds
|
8e4ff713ce |
RTC for 5.2
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331, digicolor,
ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx, mxc, pcap, stmp3xxx,
test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor, dm355evm,
ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx, mc13xxx, mv, mxc,
omap, pcap, pcf85063, pcf85363, ps3, sh, stmp3xxx, sun4v, tegra, wm831x,
xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that properly set
the RTC range.
- Use dev_get_drvdata instead of multiple indirections.
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Merge tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A huge series from me this cycle. I went through many drivers to set
the date and time range supported by the RTC which helps solving HW
limitation when the time comes (as early as next year for some). This
time, I focused on drivers using .set_mms and .set_mmss64, allowing me
to remove those callbacks. About a third of the patches got reviews, I
actually own the RTCs and I tested another third and the remaining one
are unlikely to cause any issues.
Other than that, a single new driver and the usual fixes here and there.
Summary:
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal
rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331,
digicolor, ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx,
mxc, pcap, stmp3xxx, test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor,
dm355evm, ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx,
mc13xxx, mv, mxc, omap, pcap, pcf85063, pcf85363, ps3, sh,
stmp3xxx, sun4v, tegra, wm831x, xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that
properly set the RTC range.
- Use dev_get_drvdata instead of multiple indirections"
* tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (177 commits)
rtc: snvs: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
rtc: imxdi: remove unused variable
rtc: drop set_mms and set_mmss64
rtc: pcap: convert to SPDX identifier
rtc: pcap: use .set_time
rtc: pcap: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: pcap: set range
rtc: digicolor: convert to SPDX identifier
rtc: digicolor: use .set_time
rtc: digicolor: set range
rtc: digicolor: fix possible race condition
rtc: jz4740: convert to SPDX identifier
rtc: jz4740: rework invalid time detection
rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
rtc: jz4740: use .set_time
rtc: jz4740: remove useless check
rtc: jz4740: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: jz4740: set range
rtc: 88pm860x: prevent use-after-free on device remove
rtc: Use dev_get_drvdata()
...
|
||
|
Linus Torvalds
|
45182e4e1f |
Merge branch 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: - API for late atomic transfers (e.g. to shut down via PMIC). We have a seperate callback now which is called under clearly defined conditions. In-kernel users are converted, too. - new driver for the AMD PCIe MP2 I2C controller - large refactoring for at91 and bcm-iproc (both gain slave support due to this) - and a good share of various driver improvements anf fixes * 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (57 commits) dt-bindings: i2c: riic: document r7s9210 support i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP i2c-piix4: Add Hygon Dhyana SMBus support i2c: core: apply 'is_suspended' check for SMBus, too i2c: core: ratelimit 'transfer when suspended' errors i2c: iproc: Change driver to use 'BIT' macro i2c: riic: Add Runtime PM support i2c: mux: demux-pinctrl: use struct_size() in devm_kzalloc() i2c: mux: pca954x: allow management of device idle state via sysfs i2c: mux: pca9541: remove support for unused platform data i2c: mux: pca954x: remove support for unused platform data dt-bindings: i2c: i2c-mtk: add support for MT8516 i2c: axxia: use auto cmd for last message i2c: gpio: flag atomic capability if possible i2c: algo: bit: add flag to whitelist atomic transfers i2c: stu300: use xfer_atomic callback to bail out early i2c: ocores: enable atomic xfers i2c: ocores: refactor setup for polling i2c: tegra-bpmp: convert to use new atomic callbacks i2c: omap: Add the master_xfer_atomic hook ... |
||
|
Linus Torvalds
|
06cbd26d31 |
NFS client updates for Linux 5.2
Stable bugfixes:
- Fall back to MDS if no deviceid is found rather than aborting # v4.11+
- NFS4: Fix v4.0 client state corruption when mount
Features:
- Much improved handling of soft mounts with NFS v4.0
- Reduce risk of false positive timeouts
- Faster failover of reads and writes after a timeout
- Added a "softerr" mount option to return ETIMEDOUT instead of
EIO to the application after a timeout
- Increase number of xprtrdma backchannel requests
- Add additional xprtrdma tracepoints
- Improved send completion batching for xprtrdma
Other bugfixes and cleanups:
- Return -EINVAL when NFS v4.2 is passed an invalid dedup mode
- Reduce usage of GFP_ATOMIC pages in SUNRPC
- Various minor NFS over RDMA cleanups and bugfixes
- Use the correct container namespace for upcalls
- Don't share superblocks between user namespaces
- Various other container fixes
- Make nfs_match_client() killable to prevent soft lockups
- Don't mark all open state for recovery when handling recallable state revoked flag
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Merge tag 'nfs-for-5.2-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"Highlights include:
Stable bugfixes:
- Fall back to MDS if no deviceid is found rather than aborting # v4.11+
- NFS4: Fix v4.0 client state corruption when mount
Features:
- Much improved handling of soft mounts with NFS v4.0:
- Reduce risk of false positive timeouts
- Faster failover of reads and writes after a timeout
- Added a "softerr" mount option to return ETIMEDOUT instead of
EIO to the application after a timeout
- Increase number of xprtrdma backchannel requests
- Add additional xprtrdma tracepoints
- Improved send completion batching for xprtrdma
Other bugfixes and cleanups:
- Return -EINVAL when NFS v4.2 is passed an invalid dedup mode
- Reduce usage of GFP_ATOMIC pages in SUNRPC
- Various minor NFS over RDMA cleanups and bugfixes
- Use the correct container namespace for upcalls
- Don't share superblocks between user namespaces
- Various other container fixes
- Make nfs_match_client() killable to prevent soft lockups
- Don't mark all open state for recovery when handling recallable
state revoked flag"
* tag 'nfs-for-5.2-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (69 commits)
SUNRPC: Rebalance a kref in auth_gss.c
NFS: Fix a double unlock from nfs_match,get_client
nfs: pass the correct prototype to read_cache_page
NFSv4: don't mark all open state for recovery when handling recallable state revoked flag
SUNRPC: Fix an error code in gss_alloc_msg()
SUNRPC: task should be exit if encode return EKEYEXPIRED more times
NFS4: Fix v4.0 client state corruption when mount
PNFS fallback to MDS if no deviceid found
NFS: make nfs_match_client killable
lockd: Store the lockd client credential in struct nlm_host
NFS: When mounting, don't share filesystems between different user namespaces
NFS: Convert NFSv2 to use the container user namespace
NFSv4: Convert the NFS client idmapper to use the container user namespace
NFS: Convert NFSv3 to use the container user namespace
SUNRPC: Use namespace of listening daemon in the client AUTH_GSS upcall
SUNRPC: Use the client user namespace when encoding creds
NFS: Store the credential of the mount process in the nfs_server
SUNRPC: Cache cred of process creating the rpc_client
xprtrdma: Remove stale comment
xprtrdma: Update comments that reference ib_drain_qp
...
|
||
Mike Rapoport
|
f4d9a23d3d |
sparc64: simplify reduce_memory() function
The reduce_memory() function clampls the available memory to a limit defined by the "mem=" command line parameter. It takes into account the amount of already reserved memory and excludes it from the limit calculations. Rather than traverse memblocks and remove them by hand, use memblock_reserved_size() to account the reserved memory and memblock_enforce_memory_limit() to clamp the available memory. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Gustavo A. R. Silva
|
bc0025b610 |
sparc: use struct_size() in kzalloc()
One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||
|
Linus Torvalds
|
abde77eb5c |
Merge branch 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: "This includes Roman's cgroup2 freezer implementation. It's a separate machanism from cgroup1 freezer. Instead of blocking user tasks in arbitrary uninterruptible sleeps, the new implementation extends jobctl stop - frozen tasks are trapped in jobctl stop until thawed and can be killed and ptraced. Lots of thanks to Oleg for sheperding the effort. Other than that, there are a few trivial changes" * 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: never call do_group_exit() with task->frozen bit set kernel: cgroup: fix misuse of %x cgroup: get rid of cgroup_freezer_frozen_exit() cgroup: prevent spurious transition into non-frozen state cgroup: Remove unused cgrp variable cgroup: document cgroup v2 freezer interface cgroup: add tracing points for cgroup v2 freezer cgroup: make TRACE_CGROUP_PATH irq-safe kselftests: cgroup: add freezer controller self-tests kselftests: cgroup: don't fail on cg_kill_all() error in cg_destroy() cgroup: cgroup v2 freezer cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock cgroup: implement __cgroup_task_count() helper cgroup: rename freezer.c into legacy_freezer.c cgroup: remove extra cgroup_migrate_finish() call |
||
|
Linus Torvalds
|
23c970608a |
Merge branch 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo: "Only three commits, of which two are trivial. The non-trivial chagne is Thomas's patch to switch workqueue from sched RCU to regular one. The use of sched RCU is mostly historic and doesn't really buy us anything noticeable" * 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Use normal rcu kernel/workqueue: Document wq_worker_last_func() argument kernel/workqueue: Use __printf markup to silence compiler in function 'alloc_workqueue' |
||
YueHaibing
|
36096f2f4f |
packet: Fix error path in packet_init
kernel BUG at lib/list_debug.c:47! invalid opcode: 0000 [#1 CPU: 0 PID: 12914 Comm: rmmod Tainted: G W 5.1.0+ #47 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014 RIP: 0010:__list_del_entry_valid+0x53/0x90 Code: 48 8b 32 48 39 fe 75 35 48 8b 50 08 48 39 f2 75 40 b8 01 00 00 00 5d c3 48 89 fe 48 89 c2 48 c7 c7 18 75 fe 82 e8 cb 34 78 ff <0f> 0b 48 89 fe 48 c7 c7 50 75 fe 82 e8 ba 34 78 ff 0f 0b 48 89 f2 RSP: 0018:ffffc90001c2fe40 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffffffffa0184000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888237a17788 RDI: 00000000ffffffff RBP: ffffc90001c2fe40 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90001c2fe10 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc90001c2fe50 R14: ffffffffa0184000 R15: 0000000000000000 FS: 00007f3d83634540(0000) GS:ffff888237a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555c350ea818 CR3: 0000000231677000 CR4: 00000000000006f0 Call Trace: unregister_pernet_operations+0x34/0x120 unregister_pernet_subsys+0x1c/0x30 packet_exit+0x1c/0x369 [af_packet __x64_sys_delete_module+0x156/0x260 ? lockdep_hardirqs_on+0x133/0x1b0 ? do_syscall_64+0x12/0x1f0 do_syscall_64+0x6e/0x1f0 entry_SYSCALL_64_after_hwframe+0x49/0xbe When modprobe af_packet, register_pernet_subsys fails and does a cleanup, ops->list is set to LIST_POISON1, but the module init is considered to success, then while rmmod it, BUG() is triggered in __list_del_entry_valid which is called from unregister_pernet_subsys. This patch fix error handing path in packet_init to avoid possilbe issue if some error occur. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Linus Torvalds
|
b1e76c3d3a |
arch/csky perf unwind libdw patch for v5.2-rc1
Here is another patch for arch/csky v5.2-rc1: - Add support for perf unwind-libdw -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE2KAv+isbWR/viAKHAXH1GYaIxXsFAlzUIKMSHHJlbl9ndW9A Yy1za3kuY29tAAoJEAFx9RmGiMV7wugP/ie3MZ61BYAIdGUQmBtRrUQHft0Jfhky 9kQkvvGky9O9CDqfhbRfcDPkaLJc3bq3jnSGqYKoNrnkFViUTpQKYK2noXQoNnY/ 3hGy4dgMuUkkSEzMBHTYXMBfi2VcR9KHVidcdTVQMABcfZDUxu95eTSE6ZS+5VAc ZtimcQ8QkF0GlAkOKRfHT6u5LvwXMD29oivqCnwiDvi7XJsfhmF59uwBMS+H7L9n bTIuXzTO/HGe4fMTh7SIb+W190jmyvtawG1OYDn50km0sZHsjB2T9n2mLjTU7yjK VoPTKdRce8Bp1bt9m4dGIZfX1Ijmn/UkHR705gjJA8kTG+/tsnx5FGOY8vuwuB60 nlfTqo8mPn1Hlw6ku0Bjnutu7XKZH2KizVEjI/iVT/30xJwKtNRMfvHcaotet+V7 E5heJgvXCqSfP2CXaRSXK73fnS0TR0P7ikjy08Z3BCSYkYTgcu9Giungv942gBrO l4AOfwP9WPfRA/vYDZKK6LNHFcd1qIT5QYbDWKc/NQ+0uHOk4nnUjSqI24T1gJLZ Xjf22DNtSFprrFHtdWDyOaX3wz0ErnEM21iAj9Ebz3/VJKWmnkyHAXoJ37+lkzZH Sr5tj0ALVtvcDG8ogCiyJ31IqfcUySRtstEWTFjOFcodPoUD0Mp8GBGkWEr0Tw/m /DXRA8szITPV =NPHB -----END PGP SIGNATURE----- Merge tag 'csky-for-linus-5.2-perf-unwind-libdw' of git://github.com/c-sky/csky-linux Pull arch/csky perf update from Guo Ren: "Add support for perf unwind-libdw" * tag 'csky-for-linus-5.2-perf-unwind-libdw' of git://github.com/c-sky/csky-linux: csky: Add support for perf unwind-libdw |
||
Chuck Lever
|
5940d1cf9f |
SUNRPC: Rebalance a kref in auth_gss.c
Restore the kref_get that matches the gss_put_auth(gss_msg->auth)
done by gss_release_msg().
Fixes:
|
||
Benjamin Coddington
|
c260121a97 |
NFS: Fix a double unlock from nfs_match,get_client
Now that nfs_match_client drops the nfs_client_lock, we should be
careful
to always return it in the same condition: locked.
Fixes:
|