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authorVineet Gupta <vgupta@synopsys.com>2013-09-06 14:18:17 +0530
committerVineet Gupta <vgupta@synopsys.com>2013-11-06 10:41:40 +0530
commit0dafafc3ef42bad34fd446725cb9778c3bdd83a8 (patch)
tree2f61f879b892afe3001fdf7a5d93da40b4d532a8 /arch/arc/include/asm
parent54c8bff14d604de23d0718eee59c5436a4703fe5 (diff)
downloadblackbird-op-linux-0dafafc3ef42bad34fd446725cb9778c3bdd83a8.tar.gz
blackbird-op-linux-0dafafc3ef42bad34fd446725cb9778c3bdd83a8.zip
ARC: Add support for irqflags tracing and lockdep
Lockdep required a small fix to stacktrace API which was incorrectly unwindign out of __switch_to for the current call frame. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm')
-rw-r--r--arch/arc/include/asm/irqflags.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arc/include/asm/irqflags.h b/arch/arc/include/asm/irqflags.h
index b68b53f458d1..cb7efc29f16f 100644
--- a/arch/arc/include/asm/irqflags.h
+++ b/arch/arc/include/asm/irqflags.h
@@ -151,16 +151,38 @@ static inline void arch_unmask_irq(unsigned int irq)
#else
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+.macro TRACE_ASM_IRQ_DISABLE
+ bl trace_hardirqs_off
+.endm
+
+.macro TRACE_ASM_IRQ_ENABLE
+ bl trace_hardirqs_on
+.endm
+
+#else
+
+.macro TRACE_ASM_IRQ_DISABLE
+.endm
+
+.macro TRACE_ASM_IRQ_ENABLE
+.endm
+
+#endif
+
.macro IRQ_DISABLE scratch
lr \scratch, [status32]
bic \scratch, \scratch, (STATUS_E1_MASK | STATUS_E2_MASK)
flag \scratch
+ TRACE_ASM_IRQ_DISABLE
.endm
.macro IRQ_ENABLE scratch
lr \scratch, [status32]
or \scratch, \scratch, (STATUS_E1_MASK | STATUS_E2_MASK)
flag \scratch
+ TRACE_ASM_IRQ_ENABLE
.endm
#endif /* __ASSEMBLY__ */
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