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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-04-24 16:40:34 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-21 14:36:32 -0400 |
| commit | 84849b3ed8081e9e2eb0e441c699eda807853cb6 (patch) | |
| tree | 3e15f1c4598275d3caf7b188cd00d87e815f55d6 | |
| parent | 7f1b5a9966b176e10d6cd322324a82be2379a51b (diff) | |
| download | blackbird-op-linux-84849b3ed8081e9e2eb0e441c699eda807853cb6.tar.gz blackbird-op-linux-84849b3ed8081e9e2eb0e441c699eda807853cb6.zip | |
arm: trim _TIF_WORK_MASK, get rid of useless test and branch...
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/arm/include/asm/thread_info.h | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 0f04d84582e1..2d0cfc2ba23c 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -170,7 +170,7 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, /* * Change these and you break ASM code in entry-common.S */ -#define _TIF_WORK_MASK 0x000000ff +#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_NOTIFY_RESUME) #endif /* __KERNEL__ */ #endif /* __ASM_ARM_THREAD_INFO_H */ diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 54ee265dd819..82aaf0aeb85d 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -53,8 +53,9 @@ fast_work_pending: work_pending: tst r1, #_TIF_NEED_RESCHED bne work_resched - tst r1, #_TIF_SIGPENDING|_TIF_NOTIFY_RESUME - beq no_work_pending + /* + * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here + */ mov r0, sp @ 'regs' mov r2, why @ 'syscall' tst r1, #_TIF_SIGPENDING @ delivering a signal? |
