AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

x86/entry: Remove the unused LOCKDEP_SYSEXIT cruft

Browse Source 
No users left since two years due to commit 21d375b6b3 ("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
This commit is contained in:
Thomas Gleixner 2020-03-05 11:16:49 +01:00
parent 725005897e
commit 44d7e4fbc0
2 changed files with 0 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/entry/thunk_64.S
View File

@ -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

24
arch/x86/include/asm/irqflags.h
View File

@ -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