linux-stable/arch/x86
Pawan Gupta 258f3b8c32 x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits
tsx_clear_cpuid() uses MSR_TSX_FORCE_ABORT to clear CPUID.RTM and
CPUID.HLE. Not all CPUs support MSR_TSX_FORCE_ABORT, alternatively use
MSR_IA32_TSX_CTRL when supported.

  [ bp: Document how and why TSX gets disabled. ]

Fixes: 293649307e ("x86/tsx: Clear CPUID bits when TSX always force aborts")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Tested-by: Neelima Krishnan <neelima.krishnan@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/5b323e77e251a9c8bcdda498c5cc0095be1e1d3c.1646943780.git.pawan.kumar.gupta@linux.intel.com
2022-04-11 09:54:34 +02:00
..
boot memcpy updates for v5.18-rc1 2022-03-26 12:19:04 -07:00
coco x86/coco: Add API to handle encryption mask 2022-02-23 19:14:29 +01:00
configs x86/config: Make the x86 defconfigs a bit more usable 2022-03-27 20:58:35 +02:00
crypto This push fixes the following issues: 2022-03-31 11:17:39 -07:00
entry Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
events perf/x86/intel: Update the FRONTEND MSR mask on Sapphire Rapids 2022-04-05 09:59:44 +02:00
hyperv hyperv-next for 5.17 2022-01-16 15:53:00 +02:00
ia32 audit/stable-5.16 PR 20211101 2021-11-01 21:17:39 -07:00
include - Fix the MSI message data struct definition 2022-04-10 07:12:27 -10:00
kernel x86/tsx: Use MSR_TSX_CTRL to clear CPUID bits 2022-04-11 09:54:34 +02:00
kvm * Only do MSR filtering for MSRs accessed by rdmsr/wrmsr 2022-04-02 12:09:02 -07:00
lib A set of x86 fixes and updates: 2022-04-03 12:15:47 -07:00
math-emu x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
mm x86/mm/tlb: Revert retpoline avoidance approach 2022-04-04 19:41:36 +02:00
net x86,bpf: Avoid IBT objtool warning 2022-04-07 11:27:02 +02:00
pci PCI/sysfs: Find shadow ROM before static attribute initialization 2022-01-26 10:41:21 -06:00
platform objtool,efi: Update __efi64_thunk annotation 2022-03-15 10:32:32 +01:00
power x86/speculation: Restore speculation related MSRs during S3 resume 2022-04-05 10:18:31 -07:00
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 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2022-04-01 19:57:03 -07:00
video
xen xen: branch for v5.18-rc1 2022-03-28 14:32:39 -07:00
.gitignore
Kbuild x86/cc: Move arch/x86/{kernel/cc_platform.c => coco/core.c} 2022-02-23 18:25:58 +01:00
Kconfig Revert the RT related signal changes. They need to be reworked and 2022-04-03 12:08:26 -07:00
Kconfig.assembler
Kconfig.cpu x86/mmx_32: Remove X86_USE_3DNOW 2021-12-11 09:09:45 +01:00
Kconfig.debug
Makefile x86: Remove toolchain check for X32 ABI capability 2022-03-15 10:32:48 +01:00
Makefile.um
Makefile_32.cpu