diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-05-29 23:27:37 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:15:23 +0200 |
| commit | f9912ada82862df341b3e86864cbd532d0d24b84 (patch) | |
| tree | 4f66fac62be28d505c49dd4b974f7660d4c23c25 /arch/x86/include/asm/debugreg.h | |
| parent | x86/entry: Optimize local_db_save() for virt (diff) | |
| download | linux-f9912ada82862df341b3e86864cbd532d0d24b84.tar.xz linux-f9912ada82862df341b3e86864cbd532d0d24b84.zip | |
x86/entry: Remove debug IDT frobbing
This is all unused now.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200529213321.245019500@infradead.org
Diffstat (limited to 'arch/x86/include/asm/debugreg.h')
| -rw-r--r-- | arch/x86/include/asm/debugreg.h | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h index 3e1c5021d0f8..42fc35d86535 100644 --- a/arch/x86/include/asm/debugreg.h +++ b/arch/x86/include/asm/debugreg.h @@ -94,25 +94,6 @@ extern void aout_dump_debugregs(struct user *dump); extern void hw_breakpoint_restore(void); -#ifdef CONFIG_X86_64 -DECLARE_PER_CPU(int, debug_stack_usage); -static inline void debug_stack_usage_inc(void) -{ - __this_cpu_inc(debug_stack_usage); -} -static inline void debug_stack_usage_dec(void) -{ - __this_cpu_dec(debug_stack_usage); -} -void debug_stack_set_zero(void); -void debug_stack_reset(void); -#else /* !X86_64 */ -static inline void debug_stack_set_zero(void) { } -static inline void debug_stack_reset(void) { } -static inline void debug_stack_usage_inc(void) { } -static inline void debug_stack_usage_dec(void) { } -#endif /* X86_64 */ - static __always_inline unsigned long local_db_save(void) { unsigned long dr7; |