x86/entry: Remove the unused LOCKDEP_SYSEXIT cruft

No users left since two years due to commit 21d375b6b34f ("x86/entry/64:
Remove the SYSCALL64 fast path")

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134059.061301403@linutronix.de

diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S
index dbe4493b534e9cf89fe6af8ec87bce0b8c3a3f11..34f980c9b766f5c4df589b078338c18e03dda4c2 100644 (file)
--- 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

diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 8a0e56e1dcc9cdfd582ef65e9bbac5fc8506ee83..e00f064b009ecc73ba1f58d2e9cfce75f1b153e5 100644 (file)
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -180,30 +180,6 @@ static inline int arch_irqs_disabled(void)
 #  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