Merge branch 'linus' into x86/boot, to resolve conflict

[linux-2.6-microblaze.git] / arch / x86 / include / asm / debugreg.h

diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index 0cec92c..fdbbbfe 100644 (file)
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -5,7 +5,9 @@
 #include <linux/bug.h>
 #include <linux/percpu.h>
 #include <uapi/asm/debugreg.h>
+
 #include <asm/cpufeature.h>
+#include <asm/msr.h>
 
 DECLARE_PER_CPU(unsigned long, cpu_dr7);
 
@@ -159,4 +161,26 @@ static inline unsigned long amd_get_dr_addr_mask(unsigned int dr)
 }
 #endif
 
+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
+       if (boot_cpu_data.x86 < 6)
+               return;
+#endif
+       wrmsrl(MSR_IA32_DEBUGCTLMSR, debugctlmsr);
+}
+
 #endif /* _ASM_X86_DEBUGREG_H */