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Merge branch 'x86/cpu' into perf/core, to pick up dependent commit

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2019-02-11 08:00:26 +01:00
parent 6854daa07a 0f42b790c9
commit f26d9db21b
3 changed files with 62 additions and 5 deletions
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28
arch/x86/include/asm/cpu_device_id.h
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@@ -11,4 +11,32 @@
extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match);
/*
* Match specific microcode revisions.
*
* vendor/family/model/stepping must be all set.
*
* Only checks against the boot CPU. When mixed-stepping configs are
* valid for a CPU model, add a quirk for every valid stepping and
* do the fine-tuning in the quirk handler.
*/
struct x86_cpu_desc {
__u8 x86_family;
__u8 x86_vendor;
__u8 x86_model;
__u8 x86_stepping;
__u32 x86_microcode_rev;
};
#define INTEL_CPU_DESC(mod, step, rev) { \
.x86_family = 6, \
.x86_vendor = X86_VENDOR_INTEL, \
.x86_model = mod, \
.x86_stepping = step, \
.x86_microcode_rev = rev, \
}
extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table);
#endif