From: Krzysztof Halasa <khc@pm.waw.pl>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
David Vrabel <david.vrabel@csr.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: PCI: MSI interrupts masked using prohibited method
Date: Thu, 17 Jul 2008 14:16:03 +0200 [thread overview]
Message-ID: <m3wsjkemf0.fsf@maximus.localdomain> (raw)
In-Reply-To: <20080716195853.GL25255@parisc-linux.org> (Matthew Wilcox's message of "Wed\, 16 Jul 2008 13\:58\:53 -0600")
Matthew Wilcox <matthew@wil.cx> writes:
> For these devices, we call
> msi_set_enable(entry->dev, !flag);
>
> which turns off the PCI_MSI_FLAGS_ENABLE bit. I'm not sure I see the
> bit in the PCI spec that says devices are then allowed to ignore the
> Interrupt Disable bit in the device control register, but I concede such
> devices may be out there.
Remember that MSI predates INTX disable bit.
--
Krzysztof Halasa
next prev parent reply other threads:[~2008-07-17 12:16 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-24 10:46 David Vrabel
2008-06-25 21:20 ` Jesse Barnes
2008-06-27 12:17 ` David Vrabel
2008-06-27 17:07 ` Jesse Barnes
2008-07-16 19:43 ` Jesse Barnes
2008-07-16 19:58 ` Matthew Wilcox
2008-07-16 20:35 ` David Miller
2008-07-17 12:16 ` Krzysztof Halasa [this message]
2008-07-17 12:43 ` Matthew Wilcox
2008-07-17 13:14 ` David Vrabel
2008-07-17 15:39 ` Matthew Wilcox
2008-07-17 15:58 ` Thomas Gleixner
2008-07-17 16:11 ` Matthew Wilcox
2008-07-17 17:04 ` Thomas Gleixner
2008-07-17 16:56 ` Matthew Wilcox
[not found] ` <487F7DFA.10101@csr.com>
2008-07-17 19:48 ` Matthew Wilcox
2008-07-18 10:33 ` David Vrabel
2008-07-22 13:56 ` Michal Schmidt
2008-07-22 17:52 ` Jesse Barnes
2008-07-23 13:02 ` Michal Schmidt
2008-07-25 13:29 ` Michal Schmidt
2008-07-25 13:42 ` Matthew Wilcox
2008-07-25 13:53 ` Michal Schmidt
2008-07-25 15:51 ` Matthew Wilcox
2008-07-28 9:54 ` Michal Schmidt
2008-07-25 16:37 ` David Vrabel
2008-07-25 16:56 ` Matthew Wilcox
2008-07-25 19:12 ` Jesse Barnes
2008-07-28 9:59 ` Michal Schmidt
2008-07-28 22:04 ` Jesse Barnes
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