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

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

[MIPS] VI: TRACE_IRQS_OFF clobbers $v0, so save & restore around call.
Signed-off-by: N Ralf Baechle <ralf@linux-mips.org>
8c364435 · Ralf Baechle · 5851fadc · 8c364435
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arch/mips/kernel/genex.S arch/mips/kernel/genex.S +10 -0

未找到文件。
--- 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)