aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-mips
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2007-03-20 09:56:50 -0400
committerRalf Baechle <ralf@linux-mips.org>2007-03-24 13:01:49 -0400
commit7605b3906192a171e651076325b1ed1d5ea57ec9 (patch)
treea86d308b36fda5297349691089a868208a5a9688 /include/asm-mips
parent83598f1cb06101e972b1f5aaf3408eb729622fa8 (diff)
[MIPS] Fix pipeline hazard.
In the the sequence: ei .. mfc0 $x, $status the mfc0 may not see the SR_IE bit set. This was a deliberate bug in the kernel code because we knew this was a safe thing to do on all R2 silicon so far but new silicon is changing this. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips')
-rw-r--r--include/asm-mips/hazards.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index 50073157a617..e50c77e69cb5 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -52,6 +52,7 @@ ASMMACRO(tlb_probe_hazard,
52 _ehb 52 _ehb
53 ) 53 )
54ASMMACRO(irq_enable_hazard, 54ASMMACRO(irq_enable_hazard,
55 _ehb
55 ) 56 )
56ASMMACRO(irq_disable_hazard, 57ASMMACRO(irq_disable_hazard,
57 _ehb 58 _ehb