From: Joerg Roedel <joro@8bytes.org>
To: Yonghyun Hwang <yonghyun@google.com>
Cc: Havard Skinnemoen <hskinnemoen@google.com>,
stable@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org,
Deepa Dinamani <deepadinamani@google.com>,
Moritz Fischer <mdf@kernel.org>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH v3] iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
Date: Mon, 2 Mar 2020 17:08:14 +0100 [thread overview]
Message-ID: <20200302160813.GB7829@8bytes.org> (raw)
In-Reply-To: <20200226203006.51567-1-yonghyun@google.com>
On Wed, Feb 26, 2020 at 12:30:06PM -0800, Yonghyun Hwang wrote:
> intel_iommu_iova_to_phys() has a bug when it translates an IOVA for a huge
> page onto its corresponding physical address. This commit fixes the bug by
> accomodating the level of page entry for the IOVA and adds IOVA's lower
> address to the physical address.
>
> Cc: <stable@vger.kernel.org>
> Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
> Reviewed-by: Moritz Fischer <mdf@kernel.org>
> Signed-off-by: Yonghyun Hwang <yonghyun@google.com>
Applied with Fixes tag:
Fixes: 3871794642579 ("VT-d: Changes to support KVM")
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WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Yonghyun Hwang <yonghyun@google.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Havard Skinnemoen <hskinnemoen@google.com>,
Deepa Dinamani <deepadinamani@google.com>,
Moritz Fischer <mdf@kernel.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v3] iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
Date: Mon, 2 Mar 2020 17:08:14 +0100 [thread overview]
Message-ID: <20200302160813.GB7829@8bytes.org> (raw)
In-Reply-To: <20200226203006.51567-1-yonghyun@google.com>
On Wed, Feb 26, 2020 at 12:30:06PM -0800, Yonghyun Hwang wrote:
> intel_iommu_iova_to_phys() has a bug when it translates an IOVA for a huge
> page onto its corresponding physical address. This commit fixes the bug by
> accomodating the level of page entry for the IOVA and adds IOVA's lower
> address to the physical address.
>
> Cc: <stable@vger.kernel.org>
> Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
> Reviewed-by: Moritz Fischer <mdf@kernel.org>
> Signed-off-by: Yonghyun Hwang <yonghyun@google.com>
Applied with Fixes tag:
Fixes: 3871794642579 ("VT-d: Changes to support KVM")
next prev parent reply other threads:[~2020-03-02 16:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 20:30 [PATCH v3] iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page Yonghyun Hwang via iommu
2020-02-26 20:30 ` Yonghyun Hwang
2020-03-02 16:08 ` Joerg Roedel [this message]
2020-03-02 16:08 ` Joerg Roedel
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