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x86/common.c: Make have_cpuid_p() a global function

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Remove static declaration in have_cpuid_p() to make it a global function. The
function will be called in early loading microcode.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1356075872-3054-4-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Fenghua Yu
2012-12-20 23:44:23 -08:00
committed by H. Peter Anvin
parent 9cd4d78e21
commit d288e1cf8e
2 changed files with 11 additions and 6 deletions
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8
arch/x86/include/asm/processor.h
View File

@@ -190,6 +190,14 @@ extern void init_amd_cacheinfo(struct cpuinfo_x86 *c);
extern void detect_extended_topology(struct cpuinfo_x86 *c); extern void detect_extended_topology(struct cpuinfo_x86 *c);
extern void detect_ht(struct cpuinfo_x86 *c); extern void detect_ht(struct cpuinfo_x86 *c);
#ifdef CONFIG_X86_32
extern int have_cpuid_p(void);
#else
static inline int have_cpuid_p(void)
{
return 1;
}
#endif
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx) unsigned int *ecx, unsigned int *edx)
{ {

9
arch/x86/kernel/cpu/common.c
View File

@@ -37,6 +37,8 @@
#include <asm/mce.h> #include <asm/mce.h>
#include <asm/msr.h> #include <asm/msr.h>
#include <asm/pat.h> #include <asm/pat.h>
#include <asm/microcode.h>
#include <asm/microcode_intel.h>
#ifdef CONFIG_X86_LOCAL_APIC #ifdef CONFIG_X86_LOCAL_APIC
#include <asm/uv/uv.h> #include <asm/uv/uv.h>
@@ -213,7 +215,7 @@ static inline int flag_is_changeable_p(u32 flag)
} }
/* Probe for the CPUID instruction */ /* Probe for the CPUID instruction */
static int __cpuinit have_cpuid_p(void) int __cpuinit have_cpuid_p(void)
{ {
return flag_is_changeable_p(X86_EFLAGS_ID); return flag_is_changeable_p(X86_EFLAGS_ID);
} }
@@ -249,11 +251,6 @@ static inline int flag_is_changeable_p(u32 flag)
{ {
return 1; return 1;
} }
/* Probe for the CPUID instruction */
static inline int have_cpuid_p(void)
{
return 1;
}
static inline void squash_the_stupid_serial_number(struct cpuinfo_x86 *c) static inline void squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
{ {
} }