From: Vineet Gupta Date: Mon, 11 Feb 2013 09:10:55 +0000 (+0530) Subject: ARC: Fix pt_orig_r8 access X-Git-Tag: v3.9-rc1~25^2~7 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=3eb3e7dd53a83cbe6e7b95aa87d2c5dc861233a6;p=~emulex%2Finfiniband.git ARC: Fix pt_orig_r8 access Syscall restarting fixes made pt_regs->orig_r8 a short word, which was not reflected in the assembler code - thus could potentially break gdb debugging. Signed-off-by: Vineet Gupta --- diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 3f628ca9b71..ef6800ba2f0 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -496,7 +496,7 @@ tracesys_exit: trap_with_param: ; stop_pc info by gdb needs this info - st orig_r8_IS_BRKPT, [sp, PT_orig_r8] + stw orig_r8_IS_BRKPT, [sp, PT_orig_r8] mov r0, r12 lr r1, [efa] @@ -721,7 +721,7 @@ not_exception: ; things to what they were, before returning from L2 context ;---------------------------------------------------------------- - ld r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is + ldw r9, [sp, PT_orig_r8] ; get orig_r8 to make sure it is brne r9, orig_r8_IS_IRQ2, 149f ; infact a L2 ISR ret path ld r9, [sp, PT_status32] ; get statu32_l2 (saved in pt_regs)