Re: [uml-devel] [PATCH 06/10] uml: run mconsole "sysrq" in process context
From: Blaisorblade
Date: Thu Sep 22 2005 - 14:44:44 EST
On Wednesday 21 September 2005 22:50, Jeff Dike wrote:
> On Wed, Sep 21, 2005 at 07:28:57PM +0200, Paolo 'Blaisorblade' Giarrusso
wrote:
> > From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
> >
> > Things are breaking horribly with sysrq called in interrupt context. I
> > want to try to fix it, but probably this is simpler. To tell the truth,
> > sysrq is normally run in interrupt context, so there shouldn't be any
> > problem.
>
> How are they breaking?
sysrq t is broken (and stays), but additionally there are some warnings from
some commands (enable sleep inside spinlock checking and spinlock debugging),
which go to the down_read inside handle_page_fault IIRC. So try to run in
process context.
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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