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authorIngo Molnar <mingo@elte.hu>2009-06-11 11:55:42 -0400
committerIngo Molnar <mingo@elte.hu>2009-06-11 11:55:42 -0400
commit940010c5a314a7bd9b498593bc6ba1718ac5aec5 (patch)
treed141e08ced08c40c6a8e3ab2cdecde5ff14e560f /Documentation/ABI/testing/sysfs-devices-cache_disable
parent8dc8e5e8bc0ce00b0f656bf972f67cd8a72759e5 (diff)
parent991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff)
Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/kernel/irqinit.c arch/x86/kernel/irqinit_64.c arch/x86/kernel/traps.c arch/x86/mm/fault.c include/linux/sched.h kernel/exit.c
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1What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
2Date: August 2008
3KernelVersion: 2.6.27
4Contact: mark.langsdorf@amd.com
5Description: These files exist in every cpu's cache index directories.
6 There are currently 2 cache_disable_# files in each
7 directory. Reading from these files on a supported
8 processor will return that cache disable index value
9 for that processor and node. Writing to one of these
10 files will cause the specificed cache index to be disabled.
11
12 Currently, only AMD Family 10h Processors support cache index
13 disable, and only for their L3 caches. See the BIOS and
14 Kernel Developer's Guide at
15 http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf
16 for formatting information and other details on the
17 cache index disable.
18Users: joachim.deguara@amd.com