From 569f75bd02d20043c4baf9fc38d937f37e7572b0 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 13 Jul 2005 18:20:33 +0000 Subject: Use an irq_enable_hazard hazard barrier in unmask_mips_irq. This hasn't been an actual bug, so it's more a change to be 100% compliant with the requirements of the architecture spec. Similar fix to mask_mips_irq where there was a slightly less theoretical chance of getting hit. Signed-off-by: Ralf Baechle --- arch/mips/kernel/irq_cpu.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/mips/kernel/irq_cpu.c') diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index 905ff843a68..060722e42c5 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -40,11 +40,13 @@ static int mips_cpu_irq_base; static inline void unmask_mips_irq(unsigned int irq) { set_c0_status(0x100 << (irq - mips_cpu_irq_base)); + irq_enable_hazard(); } static inline void mask_mips_irq(unsigned int irq) { clear_c0_status(0x100 << (irq - mips_cpu_irq_base)); + irq_disable_hazard(); } static inline void mips_cpu_irq_enable(unsigned int irq) -- cgit v1.2.3