From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Michal Schmidt <mschmidt@redhat.com>
Cc: Matthew Wilcox <matthew@wil.cx>,
David Vrabel <david.vrabel@csr.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rt-users@vger.kernel.org
Subject: Re: PCI: MSI interrupts masked using prohibited method
Date: Mon, 28 Jul 2008 15:04:08 -0700 [thread overview]
Message-ID: <200807281504.08235.jbarnes@virtuousgeek.org> (raw)
In-Reply-To: <20080728115910.46f0669e@brian.englab.brq.redhat.com>
> > I agree. I think it's fine to have this limitation.
>
> I can imagine this being a problem e.g. for people wanting to isolate
> selected CPUs from interrupts for realtime tasks.
And they'll still be able to do this; they'll just need to use hardware that
supports proper masking or make sure their interrupts are targetted at the
right CPU from the start.
Jesse
prev parent reply other threads:[~2008-07-28 22:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4860D09D.4060801@csr.com>
[not found] ` <48807166.9010006@csr.com>
[not found] ` <20080722155629.1160635e@brian.englab.brq.redhat.com>
[not found] ` <200807221052.26879.jbarnes@virtuousgeek.org>
[not found] ` <20080725152918.43bf3100@brian.englab.brq.redhat.com>
[not found] ` <20080725134252.GG6701@parisc-linux.org>
[not found] ` <20080725155329.79821436@brian.englab.brq.redhat.com>
[not found] ` <488A015D.4040107@csr.com>
[not found] ` <20080725165655.GC17093@parisc-linux.org>
2008-07-28 9:59 ` PCI: MSI interrupts masked using prohibited method Michal Schmidt
2008-07-28 22:04 ` Jesse Barnes [this message]
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