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 <stable@xxxxxxxxxxxxxxx> know about it. >From Vineet.Gupta1@xxxxxxxxxxxx Thu Aug 22 15:33:34 2013 From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx> Date: Tue, 20 Aug 2013 13:38:11 +0530 Subject: ARC: gdbserver breakage in Big-Endian configuration #2 To: <stable@xxxxxxxxxxxxxxx> Cc: <gregkh@xxxxxxxxxxxxxxxxxxx>, <noamc@xxxxxxxxxx>, <Anton.Kolesov@xxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx> Message-ID: <1376986091-30241-3-git-send-email-vgupta@xxxxxxxxxxxx> From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx> [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@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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 Vineet.Gupta1@xxxxxxxxxxxx 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 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html