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authorIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-29 09:45:15 +0100
commite1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch)
treebca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /arch/x86/include/asm/processor.h
parent2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadop-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.zip
op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz
Merge branch 'linus' into perfcounters/core
Conflicts: fs/exec.c include/linux/init_task.h Simple context conflicts.
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 5ca01e3..091cd88 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -110,6 +110,7 @@ struct cpuinfo_x86 {
/* Index into per_cpu list: */
u16 cpu_index;
#endif
+ unsigned int x86_hyper_vendor;
} __attribute__((__aligned__(SMP_CACHE_BYTES)));
#define X86_VENDOR_INTEL 0
@@ -123,6 +124,9 @@ struct cpuinfo_x86 {
#define X86_VENDOR_UNKNOWN 0xff
+#define X86_HYPER_VENDOR_NONE 0
+#define X86_HYPER_VENDOR_VMWARE 1
+
/*
* capabilities of CPUs
*/
@@ -752,6 +756,19 @@ extern void switch_to_new_gdt(void);
extern void cpu_init(void);
extern void init_gdt(int cpu);
+static inline unsigned long get_debugctlmsr(void)
+{
+ unsigned long debugctlmsr = 0;
+
+#ifndef CONFIG_X86_DEBUGCTLMSR
+ if (boot_cpu_data.x86 < 6)
+ return 0;
+#endif
+ rdmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
+
+ return debugctlmsr;
+}
+
static inline void update_debugctlmsr(unsigned long debugctlmsr)
{
#ifndef CONFIG_X86_DEBUGCTLMSR
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