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authorThomas Gleixner <tglx@linutronix.de>2020-05-21 22:05:52 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 15:15:19 +0200
commit320100a5ffe5ec781ec3dc190a57ce5e32885855 (patch)
tree037c0190c62f9b5ad232924c3561227d83660f83 /arch
parent3ffdfdcec1bae39b68b990762350b3cd3127f23f (diff)
x86/entry: Remove the TRACE_IRQS cruft
No more users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Andy Lutomirski <luto@kernel.org> Link: https://lore.kernel.org/r/20200521202120.523289762@linutronix.de
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/entry/entry_64.S13
-rw-r--r--arch/x86/entry/thunk_64.S9
-rw-r--r--arch/x86/include/asm/irqflags.h10
3 files changed, 1 insertions, 31 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 2566554fe04e..265ff97b3961 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -53,19 +53,6 @@ SYM_CODE_START(native_usergs_sysret64)
SYM_CODE_END(native_usergs_sysret64)
#endif /* CONFIG_PARAVIRT */
-.macro TRACE_IRQS_FLAGS flags:req
-#ifdef CONFIG_TRACE_IRQFLAGS
- btl $9, \flags /* interrupts off? */
- jnc 1f
- TRACE_IRQS_ON
-1:
-#endif
-.endm
-
-.macro TRACE_IRQS_IRETQ
- TRACE_IRQS_FLAGS EFLAGS(%rsp)
-.endm
-
/*
* 64-bit SYSCALL instruction entry. Up to 6 arguments in registers.
*
diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S
index 34f980c9b766..ccd32877a3c4 100644
--- a/arch/x86/entry/thunk_64.S
+++ b/arch/x86/entry/thunk_64.S
@@ -3,7 +3,6 @@
* Save registers before calling assembly functions. This avoids
* disturbance of register allocation in some inline assembly constructs.
* Copyright 2001,2002 by Andi Kleen, SuSE Labs.
- * Added trace_hardirqs callers - Copyright 2007 Steven Rostedt, Red Hat, Inc.
*/
#include <linux/linkage.h>
#include "calling.h"
@@ -37,11 +36,6 @@ SYM_FUNC_END(\name)
_ASM_NOKPROBE(\name)
.endm
-#ifdef CONFIG_TRACE_IRQFLAGS
- THUNK trace_hardirqs_on_thunk,trace_hardirqs_on_caller,1
- THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1
-#endif
-
#ifdef CONFIG_PREEMPTION
THUNK preempt_schedule_thunk, preempt_schedule
THUNK preempt_schedule_notrace_thunk, preempt_schedule_notrace
@@ -49,8 +43,7 @@ SYM_FUNC_END(\name)
EXPORT_SYMBOL(preempt_schedule_notrace_thunk)
#endif
-#if defined(CONFIG_TRACE_IRQFLAGS) \
- || defined(CONFIG_PREEMPTION)
+#ifdef CONFIG_PREEMPTION
SYM_CODE_START_LOCAL_NOALIGN(.L_restore)
popq %r11
popq %r10
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index e00f064b009e..8ddff8dbaed5 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -172,14 +172,4 @@ static inline int arch_irqs_disabled(void)
}
#endif /* !__ASSEMBLY__ */
-#ifdef __ASSEMBLY__
-#ifdef CONFIG_TRACE_IRQFLAGS
-# define TRACE_IRQS_ON call trace_hardirqs_on_thunk;
-# define TRACE_IRQS_OFF call trace_hardirqs_off_thunk;
-#else
-# define TRACE_IRQS_ON
-# define TRACE_IRQS_OFF
-#endif
-#endif /* __ASSEMBLY__ */
-
#endif

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