linux-kernel - Re: [PATCH 0/5]: Resolve MSI vs. INTX

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Date:	Thu, 25 Oct 2007 04:24:33 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	David Miller <davem@...emloft.net>
CC:	linux-kernel@...r.kernel.org, barkalow@...ervon.org,
	linas@...tin.ibm.com, chunhao.huang@...mail.com, gregkh@...e.de,
	htejun@...il.com, brice.goglin@...il.com,
	david.gaarenstroom@...il.com, linux-pci@...ey.karlin.mff.cuni.cz,
	shane.huang@....com, linux-ide@...r.kernel.org, brice@...i.com,
	mchan@...adcom.com
Subject: Re: [PATCH 0/5]: Resolve MSI vs. INTX_DISABLE quirks, V2.

David Miller wrote:
> Ok, I've respun the patches including all of the feedback I've
> obtained.  Again, it's at:
> 
> 	kernel.org:/pub/scm/linux/kernel/git/davem/msiquirk-2.6.git
> 
> Greg, I think this stuff is ready to go so if you would pull
> them in I would really appreciate it.
> 
> These changes clean up the handling of the common quirk wherein
> setting INTX_DISABLE will mistakedly disable MSI generation for some
> devices.
> 
> For devices without that problem, we want to keep the pci_intx() calls
> in drivers/pci/msi.c because those help protect against devices with
> the opposite problem.  Such devices always generate INTX interrupts
> even when MSI is enabled, unless INTX_DISABLE is set.
> 
> In addition to the Tigon3 cases, I added quirk entries for the
> SB700/800 SATA chips and the IXP SB400 USB controllers.  And as
> a result of the latter we can remove several AMD full-chipset
> MSI disable quirks which are no longer necessary.
> 
> Signed-off-by: David S. Miller <davem@...emloft.net>

[corrected subject line s/4/5/.  the actual patches are OK]

Acked-by: Jeff Garzik <jgarzik@...hat.com>

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