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
..
boot	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
configs	x86/kbuild: Enable CONFIG_KALLSYMS_ALL=y in the defconfigs	2022-01-08 22:55:29 +01:00
crypto	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
entry	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
events	Peter Zijlstra says:	2022-01-12 16:26:58 -08:00
hyperv	x86/hyperv: Move required MSRs check to initial platform probing	2021-11-15 12:37:08 +00:00
ia32	audit/stable-5.16 PR 20211101	2021-11-01 21:17:39 -07:00
include	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
kernel	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
kvm	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
lib	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
math-emu	x86: Prepare asm files for straight-line-speculation	2021-12-08 12:25:37 +01:00
mm	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
net	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
pci	xen: branch for v5.16-rc1	2021-11-10 11:14:21 -08:00
platform	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
power	x86: Prepare asm files for straight-line-speculation	2021-12-08 12:25:37 +01:00
purgatory	x86/purgatory: Remove -nostdlib compiler flag	2021-12-30 14:13:06 +01:00
ras
realmode	- Flush *all* mappings from the TLB after switching to the trampoline	2022-01-10 09:51:38 -08:00
tools	x86/build: Use the proper name CONFIG_FW_LOADER	2021-12-29 22:20:38 +01:00
um	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
video
xen	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
.gitignore
Kbuild	kbuild: use more subdir- for visiting subdirectories while cleaning	2021-10-24 13:49:46 +09:00
Kconfig	- Get rid of all the .fixup sections because this generates	2022-01-12 16:31:19 -08:00
Kconfig.assembler
Kconfig.cpu	x86/mmx_32: Remove X86_USE_3DNOW	2021-12-11 09:09:45 +01:00
Kconfig.debug	tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig	2021-08-16 11:37:21 -04:00
Makefile	x86: Add straight-line-speculation mitigation	2021-12-09 13:32:25 +01:00
Makefile_32.cpu	x86/build: Do not add -falign flags unconditionally for clang	2021-09-19 10:35:53 +09:00
Makefile.um	um: allow not setting extra rpaths in the linux binary	2021-06-17 21:54:15 +02:00