Linus Torvalds 64ad946152 - Get rid of all the .fixup sections because this generates ... misleading/wrong stacktraces and confuse RELIABLE_STACKTRACE and LIVEPATCH as the backtrace misses the function which is being fixed up. - Add Straight Light Speculation mitigation support which uses a new compiler switch -mharden-sls= which sticks an INT3 after a RET or an indirect branch in order to block speculation after them. Reportedly, CPUs do speculate behind such insns. - The usual set of cleanups and improvements -----BEGIN PGP SIGNATURE----- iQIyBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmHfKA0ACgkQEsHwGGHe VUqLJg/2I2X2xXr5filJVaK+sQgmvDzk67DKnbxRBW2xcPF+B5sSW5yhe3G5UPW7 SJVdhQ3gHcTiliGGlBf/VE7KXbqxFN0vO4/VFHZm78r43g7OrXTxz6WXXQRJ1n67 U3YwRH3b6cqXZNFMs+X4bJt6qsGJM1kdTTZ2as4aERnaFr5AOAfQvfKbyhxLe/XA 3SakfYISVKCBQ2RkTfpMpwmqlsatGFhTC5IrvuDQ83dDsM7O+Dx1J6Gu3fwjKmie iVzPOjCh+xTpZQp/SIZmt7MzoduZvpSym4YVyHvEnMiexQT4AmyaRthWqrhnEXY/ qOvj8/XIqxmix8EaooGqRIK0Y2ZegxkPckNFzaeC3lsWohwMIGIhNXwHNEeuhNyH yvNGAW9Cq6NeDRgz5MRUXcimYw4P4oQKYLObS1WqFZhNMqm4sNtoEAYpai/lPYfs zUDckgXF2AoPOsSqy3hFAVaGovAgzfDaJVzkt0Lk4kzzjX2WQiNLhmiior460w+K 0l2Iej58IajSp3MkWmFH368Jo8YfUVmkjbbpsmjsBppA08e1xamJB7RmswI/Ezj6 s5re6UioCD+UYdjWx41kgbvYdvIkkZ2RLrktoZd/hqHrOLWEIiwEbyFO2nRFJIAh YjvPkB1p7iNuAeYcP1x9Ft9GNYVIsUlJ+hK86wtFCqy+abV+zQ== =R52z -----END PGP SIGNATURE----- Merge tag 'x86_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 core updates from Borislav Petkov: - Get rid of all the .fixup sections because this generates misleading/wrong stacktraces and confuse RELIABLE_STACKTRACE and LIVEPATCH as the backtrace misses the function which is being fixed up. - Add Straight Line Speculation mitigation support which uses a new compiler switch -mharden-sls= which sticks an INT3 after a RET or an indirect branch in order to block speculation after them. Reportedly, CPUs do speculate behind such insns. - The usual set of cleanups and improvements * tag 'x86_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits) x86/entry_32: Fix segment exceptions objtool: Remove .fixup handling x86: Remove .fixup section x86/word-at-a-time: Remove .fixup usage x86/usercopy: Remove .fixup usage x86/usercopy_32: Simplify __copy_user_intel_nocache() x86/sgx: Remove .fixup usage x86/checksum_32: Remove .fixup usage x86/vmx: Remove .fixup usage x86/kvm: Remove .fixup usage x86/segment: Remove .fixup usage x86/fpu: Remove .fixup usage x86/xen: Remove .fixup usage x86/uaccess: Remove .fixup usage x86/futex: Remove .fixup usage x86/msr: Remove .fixup usage x86/extable: Extend extable functionality x86/entry_32: Remove .fixup usage x86/entry_64: Remove .fixup usage x86/copy_mc_64: Remove .fixup usage ...		2022-01-12 16:31:19 -08:00
..
acrn	sample/acrn: Introduce a sample of HSM ioctl interface usage	2021-02-09 10:58:19 +01:00
auxdisplay	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
binderfs	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
bpf	samples/bpf: xdpsock: Add timestamp for Tx-only operation	2022-01-05 17:53:24 -08:00
configfs	treewide: remove editor modelines and cruft	2021-05-07 00:26:34 -07:00
connector	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
fanotify	Add gitignore file for samples/fanotify/ subdirectory	2021-11-07 11:19:24 -08:00
ftrace	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
hidraw	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
hw_breakpoint	samples/hw_breakpoint: drop use of kallsyms_lookup_name()	2020-04-07 10:43:44 -07:00
kdb	kdb: Rename members of struct kdbtab_t	2021-07-27 17:05:06 +01:00
kfifo	samples/kfifo: Rename read_lock/write_lock	2021-10-13 14:36:48 +02:00
kmemleak	mm,kmemleak-test.c: move kmemleak-test.c to samples dir	2020-10-13 18:38:27 -07:00
kobject	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
kprobes	samples/kretprobes: Fix return value if register_kretprobe() failed	2021-10-26 17:23:46 -04:00
landlock	samples/landlock: Add a sandbox manager example	2021-04-22 12:22:11 -07:00
livepatch	livepatch: Handle allocation failure in the sample of shadow variable API	2020-01-17 11:12:06 +01:00
mei	samples: mei: don't wait on read completion upon write.	2021-08-01 09:54:22 +02:00
nitro_enclaves	nitro_enclaves: Add fixes for checkpatch blank line reports	2021-09-14 11:11:20 +02:00
pidfd	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
pktgen	samples: pktgen: add trap SIGINT for printing execution result	2021-08-25 13:44:30 +01:00
qmi	samples: qmi: Constify static qmi ops	2020-11-24 17:08:47 -06:00
rpmsg	samples/rpmsg: Introduce a module parameter for message count	2019-08-26 22:10:39 -07:00
seccomp	samples: seccomp: Use __BYTE_ORDER__	2021-10-25 20:39:42 -07:00
timers	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
trace_events	tracing: Add trace_event helper macros __string_len() and __assign_str_len()	2021-08-17 11:47:52 -04:00
trace_printk	samples/trace_printk: Wait for IRQ work to finish	2019-12-21 16:08:22 -05:00
uhid	kbuild: introduce hostprogs-always-y and userprogs-always-y	2020-08-10 01:32:59 +09:00
v4l	media: rename VFL_TYPE_GRABBER to _VIDEO	2020-02-24 16:52:39 +01:00
vfio-mdev	Char/Misc driver update for 5.16-rc1	2021-11-04 08:21:47 -07:00
vfs	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
watch_queue	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
watchdog	.gitignore: prefix local generated files with a slash	2021-05-02 00:43:35 +09:00
Kconfig	ftrace/samples: add missing Kconfig option for ftrace direct multi sample	2021-11-18 17:50:54 +01:00
Makefile	ftrace/samples: add missing Kconfig option for ftrace direct multi sample	2021-11-18 17:50:54 +01:00