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Date: Thu, 25 Oct 2012 14:43:29 +0800 From: Tiejun Chen <tiejun.chen@...driver.com> To: <benh@...nel.crashing.org> CC: <jason.wessel@...driver.com>, <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH 2/3] powerpc/book3e: support kgdb for kernel space Currently we need to skip this for supporting KGDB. Signed-off-by: Tiejun Chen <tiejun.chen@...driver.com> --- arch/powerpc/kernel/exceptions-64e.S | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 43b654a..c5564d4 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -566,11 +566,14 @@ kernel_dbg_exc: rfdi /* Normal debug exception */ +1: +#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 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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