| Submitter | Tiejun Chen |
|---|---|
| Date | March 11, 2013, 11:02 a.m. |
| Message ID | <1362999766-20897-5-git-send-email-tiejun.chen@windriver.com> |
| Download | mbox | patch |
| Permalink | /patch/226519/ |
| State | Under Review |
| Delegated to: | Benjamin Herrenschmidt |
| Headers | show |
Comments
Patch
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 7df9a1f..fd5d61b 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -598,11 +598,13 @@ kernel_dbg_exc: rfdi /* Normal debug exception */ +1: andi. r14,r11,MSR_PR; /* check for userspace again */ +#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 */ +#endif /* Now we mash up things to make it look like we are coming on a * normal exception
Currently we need to skip this for supporting KGDB. Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com> --- arch/powerpc/kernel/exceptions-64e.S | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)