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author | Ralf Baechle <ralf@linux-mips.org> | 2005-08-09 15:23:49 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:32:00 +0100 |
commit | d9912d87840b321678c85396c6adf15ced2c228d (patch) | |
tree | 100585d6cb7ddc9a76b5fff7895ae72c3b67984c /arch/mips | |
parent | d3ffd085536c1801da74c098e25fd3985671e15d (diff) | |
download | linux-d9912d87840b321678c85396c6adf15ced2c228d.tar.gz linux-d9912d87840b321678c85396c6adf15ced2c228d.tar.bz2 linux-d9912d87840b321678c85396c6adf15ced2c228d.zip |
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.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index 060722e42c53..31c38c4971c0 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); } |