diff options
| author |   Robin Getz <robin.getz@analog.com> | 2007-11-12 22:46:46 +0800 |
|---|---|---|
| committer |   Bryan Wu <bryan.wu@analog.com> | 2007-11-12 22:46:46 +0800 |
| commit | 4a589e1ef67fdb2d5fa783117da8dc7cba576af4 (patch) | |
| tree | dc57f195ee6d74184e086a1fee329451dfa0faf2 /arch/blackfin | |
| parent | Blackfin arch: ensure we work around ANOMALY_05000261 for null pointers (diff) | |
| download | linux-dev-4a589e1ef67fdb2d5fa783117da8dc7cba576af4.tar.xz linux-dev-4a589e1ef67fdb2d5fa783117da8dc7cba576af4.zip | |
Blackfin arch: fix bux - only reset the PC when necessary, otherwise gdb gets confused
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/kernel/traps.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index aaddb724a5fb..ce9981b5339b 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -158,7 +158,7 @@ static void decode_address(char *buf, unsigned long address) } /* we were unable to find this address anywhere */ - sprintf(buf, "[<0x%p>]", (void *)address); + sprintf(buf, "<0x%p> /* unknown address */", (void *)address); done: write_unlock_irqrestore(&tasklist_lock, flags); @@ -467,7 +467,8 @@ asmlinkage void trap_c(struct pt_regs *fp) /* Ensure that bad return addresses don't end up in an infinite * loop, due to speculative loads/reads */ - fp->pc = SAFE_USER_INSTRUCTION; + if (trapnr == VEC_CPLB_I_M) + fp->pc = SAFE_USER_INSTRUCTION; } info.si_signo = sig; info.si_errno = 0; |