From: Joerg Roedel <joro@8bytes.org>
To: "Li, Zhen-Hua" <zhen-hual@hp.com>
Cc: lizhenhua@hp.com, Ingo Molnar <mingo@kernel.org>,
Donald Dutile <ddutile@redhat.com>,
Hannes Reinecke <hare@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] iommu: dmar_fault should only clear PPF/PFO field.
Date: Tue, 26 Mar 2013 16:03:10 +0100 [thread overview]
Message-ID: <20130326150305.GC2727@8bytes.org> (raw)
In-Reply-To: <1364199652-10090-1-git-send-email-zhen-hual@hp.com>
On Mon, Mar 25, 2013 at 04:20:52PM +0800, Li, Zhen-Hua wrote:
> + writel(DMA_FSTS_PPF, iommu->reg + DMAR_FSTS_REG);
> + if (fault_status & DMA_FSTS_PFO)
> + writel(DMA_FSTS_PFO, iommu->reg + DMAR_FSTS_REG);
Changes this to:
writel(DMA_FSTS_PFO | DMA_FSTS_PPF, iommu->reg + DMAR_FSTS_REG);
and applied the patch to iommu/vt-d, thanks.
Joerg
prev parent reply other threads:[~2013-03-26 15:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-25 8:20 [PATCH 1/1] iommu: dmar_fault should only clear PPF/PFO field Li, Zhen-Hua
2013-03-26 15:03 ` Joerg Roedel [this message]
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