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
..
vdso32	x86: Prepare asm files for straight-line-speculation	2021-12-08 12:25:37 +01:00
.gitignore	.gitignore: add SPDX License Identifier	2020-03-25 11:50:48 +01:00
checkundef.sh
extable.c	x86/vdso: Add support for exception fixup in vDSO functions	2020-11-18 18:02:50 +01:00
extable.h	x86/vdso: Add support for exception fixup in vDSO functions	2020-11-18 18:02:50 +01:00
Makefile	x86/vdso: Remove -nostdlib compiler flag	2021-12-30 14:08:20 +01:00
vclock_gettime.c	y2038: vdso: change time_t to __kernel_old_time_t	2019-11-15 14:38:28 +01:00
vdso-layout.lds.S	x86: Remove .fixup section	2021-12-11 09:09:50 +01:00
vdso-note.S
vdso.lds.S	x86/vdso: Implement a vDSO for Intel SGX enclave call	2020-11-18 18:02:50 +01:00
vdso2c.c	x86: Fix various typos in comments, take #2	2021-03-21 23:50:28 +01:00
vdso2c.h	x86/vdso: Use proper modifier for len's format specifier in extract()	2021-03-06 11:34:07 +01:00
vdso32-setup.c	x86/vdso: Provide missing include file	2019-12-29 13:41:31 +01:00
vdsox32.lds.S
vgetcpu.c
vma.c	x86: Fix various typos in comments, take #2	2021-03-21 23:50:28 +01:00
vsgx.S	x86: Prepare asm files for straight-line-speculation	2021-12-08 12:25:37 +01:00