diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index fdabd84357654d5a6a6c3378ab939ef51e4891c1..8240f76b531e0959be5a4fa823b1820d5d5952b5 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -75,7 +75,7 @@
  */
 #ifdef __KERNEL__
 
-DECLARE_PER_CPU(unsigned long, dr7);
+DECLARE_PER_CPU(unsigned long, cpu_dr7);
 
 static inline void hw_breakpoint_disable(void)
 {
@@ -91,7 +91,7 @@ static inline void hw_breakpoint_disable(void)
 
 static inline int hw_breakpoint_active(void)
 {
-	return __get_cpu_var(dr7) & DR_GLOBAL_ENABLE_MASK;
+	return __get_cpu_var(cpu_dr7) & DR_GLOBAL_ENABLE_MASK;
 }
 
 extern void aout_dump_debugregs(struct user *dump);
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index 4d267fb778289d4f9d4f53e9939393d08e2054e8..92ea5aad0b5cd484ba2a7bfa6a323e3508bff911 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -46,8 +46,8 @@
 #include <asm/debugreg.h>
 
 /* Per cpu debug control register value */
-DEFINE_PER_CPU(unsigned long, dr7);
-EXPORT_PER_CPU_SYMBOL(dr7);
+DEFINE_PER_CPU(unsigned long, cpu_dr7);
+EXPORT_PER_CPU_SYMBOL(cpu_dr7);
 
 /* Per cpu debug address registers values */
 static DEFINE_PER_CPU(unsigned long, cpu_debugreg[HBP_NUM]);
@@ -118,7 +118,7 @@ int arch_install_hw_breakpoint(struct perf_event *bp)
 	set_debugreg(info->address, i);
 	__get_cpu_var(cpu_debugreg[i]) = info->address;
 
-	dr7 = &__get_cpu_var(dr7);
+	dr7 = &__get_cpu_var(cpu_dr7);
 	*dr7 |= encode_dr7(i, info->len, info->type);
 
 	set_debugreg(*dr7, 7);
@@ -153,7 +153,7 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp)
 	if (WARN_ONCE(i == HBP_NUM, "Can't find any breakpoint slot"))
 		return;
 
-	dr7 = &__get_cpu_var(dr7);
+	dr7 = &__get_cpu_var(cpu_dr7);
 	*dr7 &= ~encode_dr7(i, info->len, info->type);
 
 	set_debugreg(*dr7, 7);
@@ -437,7 +437,7 @@ void hw_breakpoint_restore(void)
 	set_debugreg(__get_cpu_var(cpu_debugreg[2]), 2);
 	set_debugreg(__get_cpu_var(cpu_debugreg[3]), 3);
 	set_debugreg(current->thread.debugreg6, 6);
-	set_debugreg(__get_cpu_var(dr7), 7);
+	set_debugreg(__get_cpu_var(cpu_dr7), 7);
 }
 EXPORT_SYMBOL_GPL(hw_breakpoint_restore);