diff options
| author | Michal Simek <monstr@monstr.eu> | 2010-01-22 14:28:36 +0100 |
|---|---|---|
| committer | Michal Simek <monstr@monstr.eu> | 2010-03-11 14:26:13 +0100 |
| commit | 841d6e8c4e969b2cdd80f7216af34d932c41b1a6 (patch) | |
| tree | 162e09999c78dd6a98f83a5a2ee562315ed8b272 /arch/microblaze | |
| parent | microblaze: Save current task directly (diff) | |
| download | linux-841d6e8c4e969b2cdd80f7216af34d932c41b1a6.tar.xz linux-841d6e8c4e969b2cdd80f7216af34d932c41b1a6.zip | |
microblaze: entry.S use delay slot for return handlers
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index cc9885d441d5..c0ede25c5b99 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -414,10 +414,9 @@ C_ENTRY(ret_from_trap): beqi r11, 1f; /* Signals to handle, handle them */ la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */ - add r6, r0, r0; /* Arg 2: sigset_t *oldset */ addi r7, r0, 1; /* Arg 3: int in_syscall */ bralid r15, do_signal; /* Handle any signals */ - nop; + add r6, r0, r0; /* Arg 2: sigset_t *oldset */ /* Finally, return to user state. */ 1: @@ -692,10 +691,9 @@ C_ENTRY(ret_from_exc): * store return registers separately because this macros is use * for others exceptions */ 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; + add r6, r0, r0; /* Arg 2: sigset_t *oldset */ /* Finally, return to user state. */ 1: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */ @@ -968,10 +966,9 @@ dbtrap_call: rtbd r11, 0; (in a possibly modified form) after do_signal returns. */ 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; + add r6, r0, r0; /* Arg 2: sigset_t *oldset */ /* Finally, return to user state. */ |