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linux/arch/x86
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Kohei Tarumizu 0559a6d96a x86/resctrl: Fix to restore to original value when re-enabling hardware prefetch register 
[ Upstream commit 499c8bb469 ]

The current pseudo_lock.c code overwrites the value of the
MSR_MISC_FEATURE_CONTROL to 0 even if the original value is not 0.
Therefore, modify it to save and restore the original values.

Fixes: 018961ae55 ("x86/intel_rdt: Pseudo-lock region creation/removal core")
Fixes: 443810fe61 ("x86/intel_rdt: Create debugfs files for pseudo-locking testing")
Fixes: 8a2fc0e1bc ("x86/intel_rdt: More precise L2 hit/miss measurements")
Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lkml.kernel.org/r/eb660f3c2010b79a792c573c02d01e8e841206ad.1661358182.git.reinette.chatre@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-10-26 12:34:40 +02:00
..
boot
x86: link vdso and boot with -z noexecstack --no-warn-rwx-segments
2022-08-17 14:22:45 +02:00
configs
x86/kbuild: Enable CONFIG_KALLSYMS_ALL=y in the defconfigs
2022-01-27 11:04:56 +01:00
crypto
crypto: blake2s - remove shash module
2022-08-17 14:24:19 +02:00
entry
x86/entry: Move CLD to the start of the idtentry macro
2022-08-31 17:16:34 +02:00
events
perf/x86/intel/ds: Fix precise store latency handling
2022-08-31 17:16:51 +02:00
hyperv
x86/hyperv: Properly deal with empty cpumasks in hyperv_flush_tlb_multi()
2022-03-08 19:12:36 +01:00
ia32
binfmt: remove in-tree usage of MAP_DENYWRITE
2021-09-03 18:42:01 +02:00
include
KVM: SEV: add cache flush to solve SEV cache incoherency issues
2022-09-23 14:15:52 +02:00
kernel
x86/resctrl: Fix to restore to original value when re-enabling hardware prefetch register
2022-10-26 12:34:40 +02:00
kvm
KVM: VMX: Drop bits 31:16 when shoving exception error code into VMCS
2022-10-26 12:34:33 +02:00
lib
x86/entry_32: Fix segment exceptions
2022-07-29 17:25:33 +02:00
math-emu
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
mm
x86/mm: Use proper mask when setting PUD mapping
2022-08-25 11:39:53 +02:00
net
x86/extable: Extend extable functionality
2022-07-29 17:25:26 +02:00
pci
x86/PCI: Fix ALi M1487 (IBC) PIRQ router link value interpretation
2022-06-09 10:22:46 +02:00
platform
x86/olpc: fix 'logical not is only applied to the left hand side'
2022-08-17 14:24:18 +02:00
power
x86: Prepare asm files for straight-line-speculation
2022-05-15 20:18:49 +02:00
purgatory
kernel.h: split out panic and oops helpers
2021-07-01 11:06:04 -07:00
ras
…
realmode
x86/mm: Flush global TLB when switching to trampoline page-table
2022-01-27 11:04:35 +01:00
tools
Merge tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-08-30 13:27:16 -07:00
um
arch: um: Mark the stack non-executable to fix a binutils warning
2022-10-12 09:53:27 +02:00
video
…
xen
x86/xen: Fix initialisation in hypercall_page after rethunk
2022-07-23 12:54:11 +02:00
.gitignore
…
Kbuild
…
Kconfig
arch: make TRACE_IRQFLAGS_NMI_SUPPORT generic
2022-08-17 14:23:00 +02:00
Kconfig.assembler
…
Kconfig.cpu
…
Kconfig.debug
arch: make TRACE_IRQFLAGS_NMI_SUPPORT generic
2022-08-17 14:23:00 +02:00
Makefile
x86/realmode: build with -D__DISABLE_EXPORTS
2022-07-23 12:53:56 +02:00
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