On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote: > Currently we need to skip this for supporting KGDB.
Does it need to depend on CONFIG_KGDB? Either you've fixed the "can't quite save properly" part, or you haven't. -Scott > > Signed-off-by: Tiejun Chen <tiejun.c...@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 07cf657..a286b51 100644 > --- a/arch/powerpc/kernel/exceptions-64e.S > +++ b/arch/powerpc/kernel/exceptions-64e.S > @@ -639,11 +639,13 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
