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-rw-r--r--arch/arm/include/asm/assembler.h16
-rw-r--r--arch/arm/include/asm/thread_info.h20
2 files changed, 20 insertions, 16 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 742495eb5526..5a5504f90d5f 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -108,29 +108,37 @@
.endm
#endif
- .macro asm_trace_hardirqs_off
+ .macro asm_trace_hardirqs_off, save=1
#if defined(CONFIG_TRACE_IRQFLAGS)
+ .if \save
stmdb sp!, {r0-r3, ip, lr}
+ .endif
bl trace_hardirqs_off
+ .if \save
ldmia sp!, {r0-r3, ip, lr}
+ .endif
#endif
.endm
- .macro asm_trace_hardirqs_on, cond=al
+ .macro asm_trace_hardirqs_on, cond=al, save=1
#if defined(CONFIG_TRACE_IRQFLAGS)
/*
* actually the registers should be pushed and pop'd conditionally, but
* after bl the flags are certainly clobbered
*/
+ .if \save
stmdb sp!, {r0-r3, ip, lr}
+ .endif
bl\cond trace_hardirqs_on
+ .if \save
ldmia sp!, {r0-r3, ip, lr}
+ .endif
#endif
.endm
- .macro disable_irq
+ .macro disable_irq, save=1
disable_irq_notrace
- asm_trace_hardirqs_off
+ asm_trace_hardirqs_off \save
.endm
.macro enable_irq
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
index bd32eded3e50..71e0ffcedf8e 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -136,22 +136,18 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *,
/*
* thread information flags:
- * TIF_SYSCALL_TRACE - syscall trace active
- * TIF_SYSCAL_AUDIT - syscall auditing active
- * TIF_SIGPENDING - signal pending
- * TIF_NEED_RESCHED - rescheduling necessary
- * TIF_NOTIFY_RESUME - callback before returning to user
* TIF_USEDFPU - FPU was used by this task this quantum (SMP)
* TIF_POLLING_NRFLAG - true if poll_idle() is polling TIF_NEED_RESCHED
*/
-#define TIF_SIGPENDING 0
-#define TIF_NEED_RESCHED 1
+#define TIF_SIGPENDING 0 /* signal pending */
+#define TIF_NEED_RESCHED 1 /* rescheduling necessary */
#define TIF_NOTIFY_RESUME 2 /* callback before returning to user */
-#define TIF_UPROBE 7
-#define TIF_SYSCALL_TRACE 8
-#define TIF_SYSCALL_AUDIT 9
-#define TIF_SYSCALL_TRACEPOINT 10
-#define TIF_SECCOMP 11 /* seccomp syscall filtering active */
+#define TIF_UPROBE 3 /* breakpointed or singlestepping */
+#define TIF_SYSCALL_TRACE 4 /* syscall trace active */
+#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
+#define TIF_SYSCALL_TRACEPOINT 6 /* syscall tracepoint instrumentation */
+#define TIF_SECCOMP 7 /* seccomp syscall filtering active */
+
#define TIF_NOHZ 12 /* in adaptive nohz mode */
#define TIF_USING_IWMMXT 17
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */