From 55f327fa9e876758491a82af7491104f1cc3fc4d Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 3 Jul 2006 00:24:43 -0700 Subject: [PATCH] lockdep: irqtrace subsystem, i386 support Add irqflags-tracing support to i386. Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/i386/kernel/irq.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/i386/kernel/irq.c') diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index 16b491703967..6cb529f60dcc 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -166,7 +166,7 @@ void irq_ctx_init(int cpu) irqctx->tinfo.task = NULL; irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; - irqctx->tinfo.preempt_count = SOFTIRQ_OFFSET; + irqctx->tinfo.preempt_count = 0; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); softirq_ctx[cpu] = irqctx; @@ -211,6 +211,10 @@ asmlinkage void do_softirq(void) : "0"(isp) : "memory", "cc", "edx", "ecx", "eax" ); + /* + * Shouldnt happen, we returned above if in_interrupt(): + */ + WARN_ON_ONCE(softirq_count()); } local_irq_restore(flags); -- cgit v1.2.3-70-g09d2