From: Joerg Roedel <joro@8bytes.org>
To: suravee.suthikulpanit@amd.com
Cc: iommu@lists.linux-foundation.org, bp@alian8.de,
linux-kernel@vger.kernel.org, udovdh@xs4all.nl,
ssg.sos.patches@amd.com
Subject: Re: [PATCH 1/1] AMD Family15h Model10-1Fh erratum 746 Workaround
Date: Wed, 23 Jan 2013 08:06:04 +0100 [thread overview]
Message-ID: <20130123070604.GT25591@8bytes.org> (raw)
In-Reply-To: <1358896750-5199-1-git-send-email-suravee.suthikulpanit@amd.com>
On Tue, Jan 22, 2013 at 05:19:10PM -0600, Suthikulpanit, Suravee wrote:
> From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
> @@ -1171,6 +1195,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
> for (i = 0; i < 0x83; i++)
> iommu->stored_l2[i] = iommu_read_l2(iommu, i);
> }
> +
> + amd_iommu_apply_erratum_746(iommu);
This will also be applied to RD890 IOMMUs, right? This workaround should
be limited to Trinity IOMMUs.
Udo, can you please test if you can trigger the erratum again with this
patch?
Joerg
next prev parent reply other threads:[~2013-01-23 7:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-22 23:19 [PATCH 1/1] AMD Family15h Model10-1Fh erratum 746 Workaround suravee.suthikulpanit
2013-01-23 7:06 ` Joerg Roedel [this message]
2013-01-23 15:07 ` Suravee Suthikulpanit
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