On 10/17/2012 08:07 PM, Andreas Schwab wrote:
Tiejun Chen <tiejun.c...@windriver.com> writes:
diff --git a/arch/powerpc/kernel/exceptions-64e.S
b/arch/powerpc/kernel/exceptions-64e.S
index 4684e33..ed5862d 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -539,11 +539,15 @@ kernel_dbg_exc:
rfdi
/* Normal debug exception */
+#ifndef CONFIG_KGDB
/* XXX We only handle coming from userspace for now since we can't
* quite save properly an interrupted kernel state yet
*/
1: andi. r14,r11,MSR_PR; /* check for userspace again */
beq kernel_dbg_exc; /* if from kernel mode */
+#else
+1:
+#endif
You could move the label before the conditional.
Okay.
diff --git a/arch/powerpc/kernel/exceptions-64e.S
b/arch/powerpc/kernel/exceptions-64e.S
index 4684e33..73ce1a7 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -538,12 +538,15 @@ kernel_dbg_exc:
mfspr r13,SPRN_SPRG_DBG_SCRATCH
rfdi
+1:
/* Normal debug exception */
+#ifndef CONFIG_KGDB
/* XXX We only handle coming from userspace for now since we can't
* quite save properly an interrupted kernel state yet
*/
-1: andi. r14,r11,MSR_PR; /* check for userspace again */
+ andi. r14,r11,MSR_PR; /* check for userspace again */
beq kernel_dbg_exc; /* if from kernel mode */
+#endif
/* Now we mash up things to make it look like we are coming on a
* normal exception
...
Tiejun
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