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4 Commits

Author SHA1 Message Date
David Wang
807e9bc8e2 x86/CPU: Move cpu_detect_cache_sizes() into init_intel_cacheinfo() 
There is no point in having the conditional cpu_detect_cache_sizes() call
at the callsite of init_intel_cacheinfo().

Move it into init_intel_cacheinfo() and make init_intel_cacheinfo() void.

[ tglx: Made the init_intel_cacheinfo() void as the return value was
  	pointless. Adjust changelog accordingly ]

Signed-off-by: David Wang <davidwang@zhaoxin.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: lukelin@viacpu.com
Cc: qiyuanwang@zhaoxin.com
Cc: gregkh@linuxfoundation.org
Cc: brucechang@via-alliance.com
Cc: timguo@zhaoxin.com
Cc: cooperyan@zhaoxin.com
Cc: hpa@zytor.com
Cc: benjaminpan@viatech.com
Link: https://lkml.kernel.org/r/1525314766-18910-3-git-send-email-davidwang@zhaoxin.com
 2018-05-13 16:14:24 +02:00
Thomas Gleixner
b5cf8707e6 x86/CPU: Move cpu local function declarations to local header 
No point in exposing all these functions globaly as they are strict local
to the cpu management code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 2018-05-13 12:06:12 +02:00
Suravee Suthikulpanit
68091ee7ac x86/CPU/AMD: Calculate last level cache ID from number of sharing threads 
Last Level Cache ID can be calculated from the number of threads sharing
the cache, which is available from CPUID Fn0x8000001D (Cache Properties).
This is used to left-shift the APIC ID to derive LLC ID.

Therefore, default to this method unless the APIC ID enumeration does not
follow the scheme.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1524864877-111962-5-git-send-email-suravee.suthikulpanit@amd.com
 2018-05-06 12:49:15 +02:00
Borislav Petkov
1d200c078d x86/CPU: Rename intel_cacheinfo.c to cacheinfo.c 
Since this file contains general cache-related information for x86,
rename the file to a more generic name.

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1524864877-111962-4-git-send-email-suravee.suthikulpanit@amd.com
 2018-05-06 12:49:15 +02:00