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
> weekend).

OK, for now this patch should be in the next rt patchset, we'll drop it
when you get The Right Thing merged 8)

- Arnaldo
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at