diff options
-rw-r--r-- | arch/x86/include/asm/debugreg.h | 4 | ||||
-rw-r--r-- | arch/x86/kernel/hw_breakpoint.c | 10 |
2 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h index fdabd8435765..8240f76b531e 100644 --- a/arch/x86/include/asm/debugreg.h +++ b/arch/x86/include/asm/debugreg.h | |||
@@ -75,7 +75,7 @@ | |||
75 | */ | 75 | */ |
76 | #ifdef __KERNEL__ | 76 | #ifdef __KERNEL__ |
77 | 77 | ||
78 | DECLARE_PER_CPU(unsigned long, dr7); | 78 | DECLARE_PER_CPU(unsigned long, cpu_dr7); |
79 | 79 | ||
80 | static inline void hw_breakpoint_disable(void) | 80 | static inline void hw_breakpoint_disable(void) |
81 | { | 81 | { |
@@ -91,7 +91,7 @@ static inline void hw_breakpoint_disable(void) | |||
91 | 91 | ||
92 | static inline int hw_breakpoint_active(void) | 92 | static inline int hw_breakpoint_active(void) |
93 | { | 93 | { |
94 | return __get_cpu_var(dr7) & DR_GLOBAL_ENABLE_MASK; | 94 | return __get_cpu_var(cpu_dr7) & DR_GLOBAL_ENABLE_MASK; |
95 | } | 95 | } |
96 | 96 | ||
97 | extern void aout_dump_debugregs(struct user *dump); | 97 | 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 4d267fb77828..92ea5aad0b5c 100644 --- a/arch/x86/kernel/hw_breakpoint.c +++ b/arch/x86/kernel/hw_breakpoint.c | |||
@@ -46,8 +46,8 @@ | |||
46 | #include <asm/debugreg.h> | 46 | #include <asm/debugreg.h> |
47 | 47 | ||
48 | /* Per cpu debug control register value */ | 48 | /* Per cpu debug control register value */ |
49 | DEFINE_PER_CPU(unsigned long, dr7); | 49 | DEFINE_PER_CPU(unsigned long, cpu_dr7); |
50 | EXPORT_PER_CPU_SYMBOL(dr7); | 50 | EXPORT_PER_CPU_SYMBOL(cpu_dr7); |
51 | 51 | ||
52 | /* Per cpu debug address registers values */ | 52 | /* Per cpu debug address registers values */ |
53 | static DEFINE_PER_CPU(unsigned long, cpu_debugreg[HBP_NUM]); | 53 | static DEFINE_PER_CPU(unsigned long, cpu_debugreg[HBP_NUM]); |
@@ -118,7 +118,7 @@ int arch_install_hw_breakpoint(struct perf_event *bp) | |||
118 | set_debugreg(info->address, i); | 118 | set_debugreg(info->address, i); |
119 | __get_cpu_var(cpu_debugreg[i]) = info->address; | 119 | __get_cpu_var(cpu_debugreg[i]) = info->address; |
120 | 120 | ||
121 | dr7 = &__get_cpu_var(dr7); | 121 | dr7 = &__get_cpu_var(cpu_dr7); |
122 | *dr7 |= encode_dr7(i, info->len, info->type); | 122 | *dr7 |= encode_dr7(i, info->len, info->type); |
123 | 123 | ||
124 | set_debugreg(*dr7, 7); | 124 | set_debugreg(*dr7, 7); |
@@ -153,7 +153,7 @@ void arch_uninstall_hw_breakpoint(struct perf_event *bp) | |||
153 | if (WARN_ONCE(i == HBP_NUM, "Can't find any breakpoint slot")) | 153 | if (WARN_ONCE(i == HBP_NUM, "Can't find any breakpoint slot")) |
154 | return; | 154 | return; |
155 | 155 | ||
156 | dr7 = &__get_cpu_var(dr7); | 156 | dr7 = &__get_cpu_var(cpu_dr7); |
157 | *dr7 &= ~encode_dr7(i, info->len, info->type); | 157 | *dr7 &= ~encode_dr7(i, info->len, info->type); |
158 | 158 | ||
159 | set_debugreg(*dr7, 7); | 159 | set_debugreg(*dr7, 7); |
@@ -437,7 +437,7 @@ void hw_breakpoint_restore(void) | |||
437 | set_debugreg(__get_cpu_var(cpu_debugreg[2]), 2); | 437 | set_debugreg(__get_cpu_var(cpu_debugreg[2]), 2); |
438 | set_debugreg(__get_cpu_var(cpu_debugreg[3]), 3); | 438 | set_debugreg(__get_cpu_var(cpu_debugreg[3]), 3); |
439 | set_debugreg(current->thread.debugreg6, 6); | 439 | set_debugreg(current->thread.debugreg6, 6); |
440 | set_debugreg(__get_cpu_var(dr7), 7); | 440 | set_debugreg(__get_cpu_var(cpu_dr7), 7); |
441 | } | 441 | } |
442 | EXPORT_SYMBOL_GPL(hw_breakpoint_restore); | 442 | EXPORT_SYMBOL_GPL(hw_breakpoint_restore); |
443 | 443 | ||