Messages in this thread | | | Date | Tue, 24 Jul 2007 11:20:18 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [PATCH] [2/11] x86: Fix alternatives and kprobes to remap write-protected kernel text |
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* Jeremy Fitzhardinge (jeremy@goop.org) wrote: > Mathieu Desnoyers wrote: > > Hi Rusty, > > > > Good catch. I also still wonder why alternative (except alternative smp, > > which is ok) and paravirt patching functions are not marked __init. I really > > hope they are never used when NMI, MCE are enabled or when threads may > > have been preempted in the site being patched, or it could result in an > > illegal instruction. > > > > We need to patch modules at load time. Presumably an NMI/MCE handler > will not depend on code in a being-loaded module. > > J >
Oh yes, I see. That's ok since the code of a being-loaded module is not executed yet.
Thanks,
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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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