[MIPS] VI: TRACE_IRQS_OFF clobbers $v0, so save & restore around call.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index aacd4a0..c921cb7 100644 (file)
--- 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)