This is a note to let you know that I've just added the patch titled
ARC: gdbserver breakage in Big-Endian configuration #2
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arc-gdbserver-breakage-in-big-endian-configuration-2.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From [email protected] Thu Aug 22 15:33:34 2013
From: Vineet Gupta <[email protected]>
Date: Tue, 20 Aug 2013 13:38:11 +0530
Subject: ARC: gdbserver breakage in Big-Endian configuration #2
To: <[email protected]>
Cc: <[email protected]>, <[email protected]>,
<[email protected]>, <[email protected]>, Vineet Gupta
<[email protected]>
Message-ID: <[email protected]>
From: Vineet Gupta <[email protected]>
[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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/arc/include/asm/syscall.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- 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,
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
Patches currently in stable-queue which might be from
[email protected] are
queue-3.10/arc-gdbserver-breakage-in-big-endian-configuration-1.patch
queue-3.10/arc-gdbserver-breakage-in-big-endian-configuration-2.patch
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