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authorRalf Baechle <ralf@linux-mips.org>2007-03-17 16:21:28 +0000
committerRalf Baechle <ralf@linux-mips.org>2007-03-19 20:22:43 +0000
commit8c3644350f4105a9b55fbfc6bbba567b79cdf72a (patch)
tree008ac825d5fd8828e28e13c047f8dcbb1ea75eb3
parent5851fadce8824d5d4b8fd02c22ae098401f6489e (diff)
[MIPS] VI: TRACE_IRQS_OFF clobbers $v0, so save & restore around call.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/kernel/genex.S10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index aacd4a005c5..c921cb7c195 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -220,7 +220,17 @@ NESTED(except_vec_vi_handler, 0, sp)
_ehb
#endif /* CONFIG_MIPS_MT_SMTC */
CLI
+#ifdef CONFIG_TRACE_IRQFLAGS
+ move s0, v0
+#ifdef CONFIG_MIPS_MT_SMTC
+ move s1, a0
+#endif
TRACE_IRQS_OFF
+#ifdef CONFIG_MIPS_MT_SMTC
+ move a0, s1
+#endif
+ move v0, s0
+#endif
LONG_L s0, TI_REGS($28)
LONG_S sp, TI_REGS($28)