On 5/5/20 3:16 PM, Thomas Gleixner wrote:
No users left since two years due to commit 21d375b6b34f ("x86/entry/64:
Remove the SYSCALL64 fast path")
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
arch/x86/entry/thunk_64.S | 5 -----
arch/x86/include/asm/irqflags.h | 24 ------------------------
2 files changed, 29 deletions(-)
Reviewed-by: Alexandre Chartre <alexandre.char...@oracle.com>
alex.
--- a/arch/x86/entry/thunk_64.S
+++ b/arch/x86/entry/thunk_64.S
@@ -42,10 +42,6 @@ SYM_FUNC_END(\name)
THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1
#endif
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
- THUNK lockdep_sys_exit_thunk,lockdep_sys_exit
-#endif
-
#ifdef CONFIG_PREEMPTION
THUNK preempt_schedule_thunk, preempt_schedule
THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
@@ -54,7 +50,6 @@ SYM_FUNC_END(\name)
#endif
#if defined(CONFIG_TRACE_IRQFLAGS) \
- || defined(CONFIG_DEBUG_LOCK_ALLOC) \
|| defined(CONFIG_PREEMPTION)
SYM_CODE_START_LOCAL_NOALIGN(.L_restore)
popq %r11
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -180,30 +180,6 @@ static inline int arch_irqs_disabled(voi
# define TRACE_IRQS_ON
# define TRACE_IRQS_OFF
#endif
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# ifdef CONFIG_X86_64
-# define LOCKDEP_SYS_EXIT call lockdep_sys_exit_thunk
-# define LOCKDEP_SYS_EXIT_IRQ \
- TRACE_IRQS_ON; \
- sti; \
- call lockdep_sys_exit_thunk; \
- cli; \
- TRACE_IRQS_OFF;
-# else
-# define LOCKDEP_SYS_EXIT \
- pushl %eax; \
- pushl %ecx; \
- pushl %edx; \
- call lockdep_sys_exit; \
- popl %edx; \
- popl %ecx; \
- popl %eax;
-# define LOCKDEP_SYS_EXIT_IRQ
-# endif
-#else
-# define LOCKDEP_SYS_EXIT
-# define LOCKDEP_SYS_EXIT_IRQ
-#endif
#endif /* __ASSEMBLY__ */
#endif
