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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-09-26 23:43:40 +0900
committerRalf Baechle <ralf@linux-mips.org>2006-10-01 23:16:57 +0100
commiteae6c0da9df81300895949897c0451423340ac40 (patch)
treea5e2d512d72e316a8aa79ec20286d1f2a8a98db3 /arch/mips/kernel/scall32-o32.S
parentd834c16516d1ebec4766fc58c059bf01311e6045 (diff)
[MIPS] lockdep: fix TRACE_IRQFLAGS_SUPPORT
In handle_sys and its variants, we must reload some registers which might be clobbered by trace_hardirqs_on(). Also we must make sure trace_hardirqs_on() called in kernel level (not exception level). Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/scall32-o32.S')
-rw-r--r--arch/mips/kernel/scall32-o32.S13
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index e7178510220..61362e6fa9e 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -28,18 +28,7 @@
NESTED(handle_sys, PT_SIZE, sp)
.set noat
SAVE_SOME
-#ifdef CONFIG_TRACE_IRQFLAGS
- TRACE_IRQS_ON
-#ifdef CONFIG_64BIT
- LONG_L $8, PT_R8(sp)
- LONG_L $9, PT_R9(sp)
-#endif
- LONG_L $7, PT_R7(sp)
- LONG_L $6, PT_R6(sp)
- LONG_L $5, PT_R5(sp)
- LONG_L $4, PT_R4(sp)
- LONG_L $2, PT_R2(sp)
-#endif
+ TRACE_IRQS_ON_RELOAD
STI
.set at