From: Michal Simek Date: Fri, 13 Nov 2009 07:26:49 +0000 (+0100) Subject: microblaze: Remove saving and restoring before calling signal code X-Git-Tag: v2.6.33-rc1~283^2~31 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f7816e284b72820b295b2d377cc635d7305f6728;p=~emulex%2Finfiniband.git microblaze: Remove saving and restoring before calling signal code Saving is done in SAVE_STATE macros that's why another save discard previous saved value. This change has no effect to normal programs because they ends in any exception and they are killed. On the other side has effect on debugging. Signed-off-by: Michal Simek --- diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index e3ecb36dd55..7417d9ad0d1 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -711,15 +711,11 @@ C_ENTRY(ret_from_exc): * (in a possibly modified form) after do_signal returns. * store return registers separately because this macros is use * for others exceptions */ - swi r3, r1, PTO + PT_R3; - swi r4, r1, PTO + PT_R4; la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */ add r6, r0, r0; /* Arg 2: sigset_t *oldset */ addi r7, r0, 0; /* Arg 3: int in_syscall */ bralid r15, do_signal; /* Handle any signals */ nop; - lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ - lwi r4, r1, PTO+PT_R4; /* Finally, return to user state. */ 1: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */