From: Will Deacon <will@kernel.org>
To: Jordan Crouse <jcrouse@codeaurora.org>
Cc: iommu@lists.linux-foundation.org, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/5] iommu: Add DOMAIN_ATTR_SPLIT_TABLES
Date: Thu, 9 Jan 2020 14:36:47 +0000 [thread overview]
Message-ID: <20200109143646.GC12236@willie-the-truck> (raw)
In-Reply-To: <1576514271-15687-2-git-send-email-jcrouse@codeaurora.org>
On Mon, Dec 16, 2019 at 09:37:47AM -0700, Jordan Crouse wrote:
> Add a new attribute to enable and query the state of split pagetables
> for the domain.
>
> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
> ---
>
> include/linux/iommu.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index f2223cb..18c861e 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -126,6 +126,7 @@ enum iommu_attr {
> DOMAIN_ATTR_FSL_PAMUV1,
> DOMAIN_ATTR_NESTING, /* two stages of translation */
> DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
> + DOMAIN_ATTR_SPLIT_TABLES,
> DOMAIN_ATTR_MAX,
> };
Acked-by: Will Deacon <will@kernel.org>
Although a comment describing what this does wouldn't hurt.
Will
next prev parent reply other threads:[~2020-01-09 14:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-16 16:37 [PATCH v3 0/5] iommu/arm-smmu: Split pagetable support for arm-smmu-v2 Jordan Crouse
2019-12-16 16:37 ` [PATCH v3 1/5] iommu: Add DOMAIN_ATTR_SPLIT_TABLES Jordan Crouse
2020-01-09 14:36 ` Will Deacon [this message]
2019-12-16 16:37 ` [PATCH v3 2/5] iommu/arm-smmu: Add support for split pagetables Jordan Crouse
2020-01-09 14:33 ` Will Deacon
2020-01-09 19:25 ` Jordan Crouse
2020-01-21 14:36 ` Robin Murphy
2020-01-21 17:11 ` Jordan Crouse
2020-01-21 18:54 ` Robin Murphy
2020-01-21 14:47 ` Robin Murphy
2019-12-16 16:37 ` [PATCH v3 3/5] drm/msm: Attach the IOMMU device during initialization Jordan Crouse
2019-12-16 16:37 ` [PATCH v3 4/5] drm/msm: Refactor address space initialization Jordan Crouse
2020-01-06 21:59 ` [Freedreno] " Jordan Crouse
2019-12-16 16:37 ` [PATCH v3 5/5] drm/msm/a6xx: Support split pagetables Jordan Crouse
2019-12-16 17:43 ` Rob Clark
2019-12-24 2:57 ` smasetty
2020-01-06 21:57 ` Jordan Crouse
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