kernel-ark/arch/x86/kernel/cpu/cpu.h
H. Peter Anvin d900329e20 x86, cpu: After uncapping CPUID, re-run CPU feature detection
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>
Cc: <stable@kernel.org> v2.6.29..2.6.35
LKML-Reference: <tip-@git.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2010-09-28 16:33:14 -07:00

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C

#ifndef ARCH_X86_CPU_H
#define ARCH_X86_CPU_H
struct cpu_model_info {
int vendor;
int family;
const char *model_names[16];
};
/* attempt to consolidate cpu attributes */
struct cpu_dev {
const char *c_vendor;
/* some have two possibilities for cpuid string */
const char *c_ident[2];
struct cpu_model_info c_models[4];
void (*c_early_init)(struct cpuinfo_x86 *);
void (*c_init)(struct cpuinfo_x86 *);
void (*c_identify)(struct cpuinfo_x86 *);
unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
int c_x86_vendor;
};
#define cpu_dev_register(cpu_devX) \
static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
__attribute__((__section__(".x86_cpu_dev.init"))) = \
&cpu_devX;
extern const struct cpu_dev *const __x86_cpu_dev_start[],
*const __x86_cpu_dev_end[];
extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
extern void get_cpu_cap(struct cpuinfo_x86 *c);
#endif