linux-kernel - Re: [PATCH v2] iommu/vt-d: Force to flush iotlb before creating superpage

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Message-ID: <YHhJ/0b5i55zGib7@8bytes.org>
Date:   Thu, 15 Apr 2021 16:13:19 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     "Longpeng(Mike)" <longpeng2@...wei.com>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Gonglei <arei.gonglei@...wei.com>, stable@...r.kernel.org
Subject: Re: [PATCH v2] iommu/vt-d: Force to flush iotlb before creating
 superpage

On Thu, Apr 15, 2021 at 08:46:28AM +0800, Longpeng(Mike) wrote:
> Fixes: 6491d4d02893 ("intel-iommu: Free old page tables before creating superpage")
> Cc: <stable@...r.kernel.org> # v3.0+
> Link: https://lore.kernel.org/linux-iommu/670baaf8-4ff8-4e84-4be3-030b95ab5a5e@huawei.com/
> Suggested-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Signed-off-by: Longpeng(Mike) <longpeng2@...wei.com>
> ---
> v1 -> v2:
>   - add Joerg
>   - reconstruct the solution base on the Baolu's suggestion
> ---
>  drivers/iommu/intel/iommu.c | 52 +++++++++++++++++++++++++++++++++------------
>  1 file changed, 38 insertions(+), 14 deletions(-)

Applied, thanks.