Re: [PATCH 1/2] x86-32: Fix crashes with CPU hotplug on AMDmachines
From: Joerg Roedel
Date: Thu Aug 12 2010 - 15:04:20 EST
On Thu, Aug 12, 2010 at 12:01:27PM -0700, H. Peter Anvin wrote:
> On 08/12/2010 10:06 AM, Joerg Roedel wrote:
> > The synchronization problem might be real. The cpu_init function uses
> > per-cpu variables which might not be present in the early synced
> > tramponline page table (iirc). The change to swapper_pg_dir and the
> > global tlb flush should probably be moved to the very beginning of the
> > start_secondary function.
> >
>
> Are you going to submit an updated patch, then?
Yes, I will send it next week when I am back in office and gave it some
testing.
Joerg
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