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authorPeter Zijlstra <peterz@infradead.org>2020-05-30 00:27:37 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 16:15:23 +0300
commitf9912ada82862df341b3e86864cbd532d0d24b84 (patch)
tree4f66fac62be28d505c49dd4b974f7660d4c23c25 /arch/x86/include/asm/debugreg.h
parent84b6a3491567a540f955e18d8e615493afa36df0 (diff)
downloadlinux-f9912ada82862df341b3e86864cbd532d0d24b84.tar.xz
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.h19
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;