x86/pconfig: Detect PCONFIG targets

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Intel PCONFIG targets are enumerated via new CPUID leaf 0x1b. This patch
detects all supported targets of PCONFIG and implements helper to check
if the target is supported.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kai Huang <kai.huang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180305162610.37510-5-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Kirill A. Shutemov 2018-03-05 19:25:52 +03:00 • committed by Ingo Molnar

parent cb06d8e3d0

commit be7825c19b

3 changed files with 98 additions and 1 deletions

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15

arch/x86/include/asm/intel_pconfig.h

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2

arch/x86/kernel/cpu/Makefile

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82

arch/x86/kernel/cpu/intel_pconfig.c

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