redonkable/remarkable-linux
redonkable/remarkable-linux
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Inlining will result in back-to-back mtc0 mfc0 instructions. Break the

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hazard by using back_to_back_c0_hazard().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-08-09 15:23:49 +00:00
parent d3ffd08553
commit d9912d8784
1 changed files with 2 additions and 0 deletions
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2
arch/mips/kernel/irq_cpu.c
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@ -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);
}