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authorRalf Baechle <ralf@linux-mips.org>2005-08-09 15:23:49 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:32:00 +0100
commitd9912d87840b321678c85396c6adf15ced2c228d (patch)
tree100585d6cb7ddc9a76b5fff7895ae72c3b67984c /arch/mips
parentd3ffd085536c1801da74c098e25fd3985671e15d (diff)
Inlining will result in back-to-back mtc0 mfc0 instructions. Break the
hazard by using back_to_back_c0_hazard(). Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/irq_cpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 060722e42c5..31c38c4971c 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -55,6 +55,7 @@ static inline void mips_cpu_irq_enable(unsigned int irq)
local_irq_save(flags);
unmask_mips_irq(irq);
+ back_to_back_c0_hazard();
local_irq_restore(flags);
}
@@ -64,6 +65,7 @@ static void mips_cpu_irq_disable(unsigned int irq)
local_irq_save(flags);
mask_mips_irq(irq);
+ back_to_back_c0_hazard();
local_irq_restore(flags);
}