Re: [PATCH][PCI]: Introduce pci_find_capability_cached and makeMSI use it
From: Arnaldo Carvalho de Melo
Date: Fri May 16 2008 - 15:10:38 EST
Em Fri, May 16, 2008 at 12:01:48PM -0700, Jesse Barnes escreveu:
> On Friday, May 16, 2008 11:33 am Arnaldo Carvalho de Melo wrote:
> > > There are a few other common cap checks, but I don't think they compare
> > > to MSI in terms of latency sensitivity (though I didn't audit all the
> > > CAP_ID_EXP checks, there are quite a few of those).
> > >
> > > Since we know MSI is a problem, let's just go with fixing that for now.
> > > If we find that other caps are also causing problems we can revisit
> > > caching all of them; the patch is simple enough.
> > Do you want me to submit another patch or can you cook up one?
> I can hack it up, probably not until Monday though (I'll be out of town this
OK, for now this patch should be in the next rt patchset, we'll drop it
when you get The Right Thing merged 8)
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