Messages in this thread Patch in this message | | | From | Tiejun Chen <> | Subject | [v6][PATCH 3/5] powerpc/book3e: support kgdb for kernel space | Date | Wed, 23 Oct 2013 17:31:23 +0800 |
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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(-)
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index a55cf62..0b750c6 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -597,11 +597,13 @@ 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 -- 1.7.9.5
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