From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: maxime@cerno.tech, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, wens@csie.org, samuel@sholland.org
Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] iommu/sun50i: Invalidate iova at map and unmap
Date: Thu, 13 Oct 2022 20:17:36 +0200 [thread overview]
Message-ID: <3161965.AJdgDx1Vlc@kista> (raw)
In-Reply-To: <20221013181221.3247429-6-jernej.skrabec@gmail.com>
Dne četrtek, 13. oktober 2022 ob 20:12:20 CEST je Jernej Skrabec napisal(a):
> Mapped and unmapped iova addresses needs to be invalidated immediately
> or otherwise they might or might not work when used by master device.
>
> This was discovered when running video decoder conformity test with
> Cedrus. Some videos were now and then decoded incorrectly and generated
> page faults.
>
> Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Please ignore this patch. It's same as next one, with slightly different commit
message.
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next prev parent reply other threads:[~2022-10-13 18:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 18:12 [PATCH 0/5] iommu/sun50i: Fix various issues Jernej Skrabec
2022-10-13 18:12 ` [PATCH 1/5] iommu/sun50i: Fix reset release Jernej Skrabec
2022-10-13 18:12 ` [PATCH 2/5] iommu/sun50i: Consider all fault sources for reset Jernej Skrabec
2022-10-13 18:12 ` [PATCH 3/5] iommu/sun50i: Fix R/W permission check Jernej Skrabec
2022-10-13 18:12 ` [PATCH 4/5] iommu/sun50i: Fix flush size Jernej Skrabec
2022-10-13 18:12 ` [PATCH 5/5] iommu/sun50i: Invalidate iova at map and unmap Jernej Skrabec
2022-10-13 18:17 ` Jernej Škrabec [this message]
2022-10-13 18:12 ` [PATCH 5/5] iommu/sun50i: Invalidate iova in map and unmap callback Jernej Skrabec
2022-10-14 10:23 ` Robin Murphy
2022-10-14 15:03 ` Jernej Škrabec
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