AuxXxilium/linux_dsm_epyc7002
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91219bcbdc
linux_dsm_epyc7002/arch/x86/kernel/cpu
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Jaswinder Singh Rajput 91219bcbdc x86: cpu_debug add write support for MSRs 
Supported write flag for registers.
currently write is enabled only for PMC MSR.

[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x0

[root@ht]# echo 1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x4d2

[root@ht]# echo 0x1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x1234

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-13 03:02:45 +01:00
..
cpufreq Merge branches 'x86/cleanups', 'x86/kexec', 'x86/mce2' and 'linus' into x86/core 2009-03-11 10:49:15 +01:00
mcheck x86, mce: use round_jiffies() instead round_jiffies_relative() 2009-03-10 22:33:06 -07:00
mtrr x86: tone down mtrr_trim_uncached_memory() warning 2009-01-29 11:45:35 +01:00
.gitignore
addon_cpuid_features.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
amd.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
bugs_64.c
bugs.c
centaur_64.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
centaur.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
cmpxchg.c
common.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
cpu_debug.c x86: cpu_debug add write support for MSRs 2009-03-13 03:02:45 +01:00
cpu.h x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
cyrix.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
hypervisor.c
intel_cacheinfo.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
intel.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
Makefile x86: cpu architecture debug code 2009-03-10 18:39:45 +01:00
mkcapflags.pl
perfctr-watchdog.c x86: fold apic_ops into genapic 2009-02-17 12:22:20 +01:00
powerflags.c
proc.c x86: remove double copy of show_cpuinfo_core for 32 and 64 bit 2009-02-28 19:26:33 -08:00
transmeta.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
umc.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
vmware.c