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428a771add
commit d900329e20 upstream.
After uncapping the CPUID level, we need to also re-run the CPU
feature detection code.
This resolves kernel bugzilla 16322.
Reported-by: boris64 <bugzilla.kernel.org@boris64.net>
LKML-Reference: <tip-@git.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
39 lines
941 B
C
39 lines
941 B
C
#ifndef ARCH_X86_CPU_H
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#define ARCH_X86_CPU_H
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struct cpu_model_info {
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int vendor;
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int family;
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const char *model_names[16];
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};
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/* attempt to consolidate cpu attributes */
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struct cpu_dev {
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const char *c_vendor;
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/* some have two possibilities for cpuid string */
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const char *c_ident[2];
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struct cpu_model_info c_models[4];
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void (*c_early_init)(struct cpuinfo_x86 *);
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void (*c_init)(struct cpuinfo_x86 *);
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void (*c_identify)(struct cpuinfo_x86 *);
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unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
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int c_x86_vendor;
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};
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#define cpu_dev_register(cpu_devX) \
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static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
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__attribute__((__section__(".x86_cpu_dev.init"))) = \
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&cpu_devX;
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extern const struct cpu_dev *const __x86_cpu_dev_start[],
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*const __x86_cpu_dev_end[];
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extern void display_cacheinfo(struct cpuinfo_x86 *c);
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extern void get_cpu_cap(struct cpuinfo_x86 *c);
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#endif
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