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authorRabin Vincent <rabin@rab.in>2015-02-19 21:36:55 +0100
committerJesper Nilsson <jespern@axis.com>2015-09-05 00:56:49 +0200
commit444e0c2881bcc70db6833d9c653c6ced36813d3b (patch)
tree49a9229250dd0772fabe063b691d80273b882ad2 /arch/cris/kernel
parent20ae24739968ae7f94d0e73215d444042f91df78 (diff)
CRISv32: add support for irqflags tracing
Add support irqflags tracing, which is required for things like lockdep and ftrace. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/kernel')
-rw-r--r--arch/cris/kernel/irq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index dd0be5de55d5..694850e8f077 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -45,7 +45,11 @@
asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
{
unsigned long sp;
- struct pt_regs *old_regs = set_irq_regs(regs);
+ struct pt_regs *old_regs;
+
+ trace_hardirqs_off();
+
+ old_regs = set_irq_regs(regs);
irq_enter();
sp = rdsp();
if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {