pci: disable MSI on VIA K8M800
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From: David Miller on 23 May 2010 05:00 From: Tejun Heo <tj(a)kernel.org> Date: Sun, 23 May 2010 10:22:55 +0200 > MSI delivery from on-board ahci controller doesn't work on K8M800. At > this point, it's unclear whether the culprit is with the ahci > controller or the host bridge. Given the track record and considering > the rather minimal impact of MSI, disabling it seems reasonable. > > Signed-off-by: Tejun Heo <tj(a)kernel.org> > Reported-by: Rainer Hurtado Navarro <publio.escipion.el.africano(a)gmail.com> > Cc: stable(a)kernel.org > --- > Maybe we should whitelist working ones from via rather than the other > way around. :-( Correctness first, of course, but saying the impact of MSI is minimal ignores the fact that no hardware multiqueue networking at all is possible without it. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Tejun Heo on 23 May 2010 05:00 On 05/23/2010 10:54 AM, David Miller wrote: > Correctness first, of course, but saying the impact of MSI is minimal > ignores the fact that no hardware multiqueue networking at all is > possible without it. :-) If you're trying to do hw multiqueue networking on via chipset, you gotta be on something *really* good. Come on. Share it with me. :-) -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: David Miller on 23 May 2010 05:00 From: Tejun Heo <tj(a)kernel.org> Date: Sun, 23 May 2010 10:56:58 +0200 > On 05/23/2010 10:54 AM, David Miller wrote: >> Correctness first, of course, but saying the impact of MSI is minimal >> ignores the fact that no hardware multiqueue networking at all is >> possible without it. :-) > > If you're trying to do hw multiqueue networking on via chipset, you > gotta be on something *really* good. Come on. Share it with me. :-) Fair enough. :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Jesse Barnes on 28 May 2010 15:30
On Sun, 23 May 2010 10:22:55 +0200 Tejun Heo <tj(a)kernel.org> wrote: > MSI delivery from on-board ahci controller doesn't work on K8M800. At > this point, it's unclear whether the culprit is with the ahci > controller or the host bridge. Given the track record and considering > the rather minimal impact of MSI, disabling it seems reasonable. > > Signed-off-by: Tejun Heo <tj(a)kernel.org> > Reported-by: Rainer Hurtado Navarro <publio.escipion.el.africano(a)gmail.com> > Cc: stable(a)kernel.org > --- Applied to my for-linus branch, thanks. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |