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>
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index aaddb72..ce9981b 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -158,7 +158,7 @@
}
/* 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 @@
/* 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;