From 0dafafc3ef42bad34fd446725cb9778c3bdd83a8 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 6 Sep 2013 14:18:17 +0530 Subject: 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 --- arch/arc/include/asm/irqflags.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arc/include/asm') 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__ */ -- cgit v1.2.1