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authorAlex Chiang <achiang@hp.com>2009-10-22 05:45:15 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-10-30 22:59:52 +0100
commit468727ab1273a0f95562befa611a3ce39778599c (patch)
tree6b67734fda2bc426ab5586e2e7a0a8c400e4ff56 /Documentation/ABI/testing/sysfs-devices-system-cpu
parentDriver core: allow certain drivers prohibit bind/unbind via sysfs (diff)
downloadlinux-468727ab1273a0f95562befa611a3ce39778599c.tar.xz
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Documentation: ABI: rename sysfs-devices-cache_disable properly
Rename sysfs-devices-cache_disable to sysfs-devices-system-cpu, in order to keep a stricter correlation between a sysfs directory and its documentation. Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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+What: /sys/devices/system/cpu/cpu*/cache/index*/cache_disable_X
+Date: August 2008
+KernelVersion: 2.6.27
+Contact: mark.langsdorf@amd.com
+Description: These files exist in every cpu's cache index directories.
+ There are currently 2 cache_disable_# files in each
+ directory. Reading from these files on a supported
+ processor will return that cache disable index value
+ for that processor and node. Writing to one of these
+ files will cause the specificed cache index to be disabled.
+
+ Currently, only AMD Family 10h Processors support cache index
+ disable, and only for their L3 caches. See the BIOS and
+ Kernel Developer's Guide at
+ http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/31116-Public-GH-BKDG_3.20_2-4-09.pdf
+ for formatting information and other details on the
+ cache index disable.
+Users: joachim.deguara@amd.com