linux-kernel - Re: [PATCH v6 01/12] iommu/exynos: add missing cache flush for removed pagetable entries

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Date:	Mon, 1 Jul 2013 19:21:09 -0700
From:	Grant Grundler <grundler@...omium.org>
To:	Grant Grundler <grundler@...omium.org>
Cc:	Joerg Roedel <joro@...tes.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 01/12] iommu/exynos: add missing cache flush for
 removed pagetable entries

-linux-arm (wrong email address - sorry)

On Mon, Jul 1, 2013 at 6:49 PM, Grant Grundler <grundler@...omium.org> wrote:
> On Tuesday, December 25, 2012 6:00:01 PM UTC-8, Cho KyongHo wrote:
>> This commit adds cache flush for removed small page and large page
>> entries in exynos_iommu_unmap(). Missing cache flush of removed
>> page table entries can cause missing page fault interrupt when a
>> master IP accesses an unmapped area.
>
> KyongHo,
> It appears this patch was never applied and got caught up in the
> device tree binding discussion. AFAICT, this patch is still necessary.
> Can you resubmit this patch separately. Or ok if I do?
>
> Original patch is here:
>     https://patchwork.kernel.org/patch/1910261/
>
> thanks,
> grant
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