[POWERPC][v2] Bolt in SLB entry for kernel stack on secondary cpus
benh at kernel.crashing.org
Sat May 3 09:19:43 EST 2008
On Fri, 2008-05-02 at 19:03 +1000, Paul Mackerras wrote:
> David Gibson writes:
> > Do you even need the processor ID test at all? The boot processor
> > should always have its stack covered by SLB entry 0 when we come
> > through here, shouldn't it?
> I was concerned that get_paca()->kstack wouldn't have been initialized
> by the time the boot cpu calls slb_initialize(). If that fear is
> unfounded then the check could go.
No, you are correct, it's not initialized. However, I find that a bit
weird, as we shouldn't have a problem initializing it in
start_here_multiplatform rather than start_here_common.
The whole stack setup part of these here seems like a dup to me.
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