From: Joerg Roedel <joro@8bytes.org>
To: Alex Bee <knaerzche@gmail.com>
Cc: Will Deacon <will@kernel.org>, Heiko Stuebner <heiko@sntech.de>,
Benjamin Gaignard <benjamin.gaignard@collabora.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/rockchip: Fix PAGE_DESC_HI_MASKs for RK3568
Date: Wed, 24 Nov 2021 17:34:35 +0100 [thread overview]
Message-ID: <YZ5pm2kFM41OOu+Y@8bytes.org> (raw)
In-Reply-To: <20211124021325.858139-1-knaerzche@gmail.com>
On Wed, Nov 24, 2021 at 03:13:25AM +0100, Alex Bee wrote:
> With the submission of iommu driver for RK3568 a subtle bug was
> introduced: PAGE_DESC_HI_MASK1 and PAGE_DESC_HI_MASK2 have to be
> the other way arround - that leads to random errors, especially when
> addresses beyond 32 bit are used.
>
> Fix it.
>
> Fixes: c55356c534aa ("iommu: rockchip: Add support for iommu v2")
> Signed-off-by: Alex Bee <knaerzche@gmail.com>
Applied for v5.16, thanks.
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prev parent reply other threads:[~2021-11-24 16:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-24 2:13 [PATCH] iommu/rockchip: Fix PAGE_DESC_HI_MASKs for RK3568 Alex Bee
2021-11-24 8:25 ` Benjamin Gaignard
2021-11-24 10:35 ` Heiko Stübner
2021-11-24 12:44 ` Peter Geis
2021-11-24 16:34 ` Joerg Roedel [this message]
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