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From: Alexander Graf <agraf@suse.de>
To: Alexey Kardashevskiy <aik@ozlabs.ru>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] spapr_pci: Fix config space corruption
Date: Wed, 27 Aug 2014 13:00:33 +0200	[thread overview]
Message-ID: <53FDBA51.6090904@suse.de> (raw)
In-Reply-To: <1407914453-9912-1-git-send-email-aik@ozlabs.ru>



On 13.08.14 09:20, Alexey Kardashevskiy wrote:
> When disabling MSI/MSIX via "ibm,change-msi" RTAS call, no check was made
> if MSI or MSIX is actually supported and the MSI message was reset
> unconditionally. If this happened on a device which does not support MSI
> (but does support MSIX, otherwise "ibm,change-msi" would not be called),
> this device would have PCIDevice::msi_cap field (MSI capability offset)
> set to zero and writing a vector would actually clear PCI status.
> 
> This clears MSI message only if MSI or MSIX is present on a device.
> 
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

Thanks, applied to ppc-next.


Alex

      parent reply	other threads:[~2014-08-27 11:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-13  7:20 [Qemu-devel] [PATCH] spapr_pci: Fix config space corruption Alexey Kardashevskiy
2014-08-26  7:07 ` Alexey Kardashevskiy
2014-08-27 11:00 ` Alexander Graf [this message]

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