diff options
| author | Vineet Gupta <Vineet.Gupta1@synopsys.com> | 2013-08-20 12:08:11 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-29 20:47:29 +0400 |
| commit | 16a06df257641d466895454f0320b8ccb1583b21 (patch) | |
| tree | 62b5e70f8afd0ddf19d33fa276996c7a1ea46a0b | |
| parent | 9b2c750d8e81da33cdf6e16db911faa2008652cd (diff) | |
| download | linux-16a06df257641d466895454f0320b8ccb1583b21.tar.xz | |
ARC: gdbserver breakage in Big-Endian configuration #2
[Based on mainline commit 352c1d95e3220d0: "ARC: stop using
pt_regs->orig_r8"]
Stop using orig_r8 as it could get clobbered by ST in trap_with_param,
and further it is semantically not needed either.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/arc/include/asm/syscall.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arc/include/asm/syscall.h b/arch/arc/include/asm/syscall.h index 33ab3048e9b2..29de09804306 100644 --- a/arch/arc/include/asm/syscall.h +++ b/arch/arc/include/asm/syscall.h @@ -18,7 +18,7 @@ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { if (user_mode(regs) && in_syscall(regs)) - return regs->orig_r8; + return regs->r8; else return -1; } @@ -26,8 +26,7 @@ syscall_get_nr(struct task_struct *task, struct pt_regs *regs) static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { - /* XXX: I can't fathom how pt_regs->r8 will be clobbered ? */ - regs->r8 = regs->orig_r8; + regs->r0 = regs->orig_r0; } static inline long |