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| author | Kevin Hao <haokexin@gmail.com> | 2013-04-09 22:31:24 +0000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-04-15 17:29:48 +1000 |
| commit | d8b92292408831d86ff7b781e66bf79301934b99 (patch) | |
| tree | f972fee77dac6e501f8f05da541121018feb0694 /arch | |
| parent | 05e38e5d5d437c762c79428ae8434632a8ca2c5e (diff) | |
| download | lwn-d8b92292408831d86ff7b781e66bf79301934b99.tar.gz lwn-d8b92292408831d86ff7b781e66bf79301934b99.zip | |
powerpc: add a missing label in resume_kernel
A label 0 was missed in the patch a9c4e541 (powerpc/kprobe: Complete
kprobe and migrate exception frame). This will cause the kernel
branch to an undetermined address if there really has a conflict when
updating the thread flags.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Cc: stable@vger.kernel.org
Acked-By: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 3acb1a076d3f..04d69c4a5ac2 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -657,7 +657,7 @@ resume_kernel: /* Clear _TIF_EMULATE_STACK_STORE flag */ lis r11,_TIF_EMULATE_STACK_STORE@h addi r5,r9,TI_FLAGS - ldarx r4,0,r5 +0: ldarx r4,0,r5 andc r4,r4,r11 stdcx. r4,0,r5 bne- 0b |