Messages in this thread | | | Date | Tue, 22 Apr 2008 16:22:57 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [repost PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable |
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* Ingo Molnar (mingo@elte.hu) wrote: > > * Pekka Paalanen <pq@iki.fi> wrote: > > > Ingo, > > > > I see you applied the NX fix. This patch is the other one needed to > > make CPU hotplug working. Could you apply this, unless Mathieu has > > something against it? > > sure, patch looks sane - applied it and pushed it out. Thanks, > > Ingo
Ingo,
The patch found there should also be pulled (at least the is_vmalloc_addr -> !core_kernel_text bit) :
http://lkml.org/lkml/2008/4/20/192
On x86_64, module code is not in is_vmalloc_addr range, so we can end up using virt_to_page on module text addresses.
Mathieu
-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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