Re: 2.6.{26.2,27-rc} oops on virtualbox

From: Gerhard Brauer
Date: Tue Aug 26 2008 - 17:39:28 EST


On Tue, Aug 26, 2008 at 04:48:14PM -0400, Mathieu Desnoyers wrote:
>
> OK, so we have a problem with interrupts coming while we are doing the
> alternatives patching.
>
> First thing, I wonder if Virtualbox expects the OS to patch all its
> paravirt instructions in one go ?
>
> Also, could you then try to :
> - to revert all those changes
> - Do this to text_poke_early and text_poke :
>
> - put the sync_core() within the irq off critical section
> (test)

Could you please explain more what to change? I don't see where to put
sync_core(), i not found this section in both functions. (I'm not a developer)

> - add a wbinvd(); just after the sync_core() in both functions
> (test).

Also verbose please...

> Thanks,
>
> Mathieu

Thank you
Gerhard

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