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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 201631] WARNING: CPU: 11 PID: 29593 at fs/ext4/inode.c:3927
 .ext4_set_page_dirty+0x70/0xb0
Date: Fri, 21 Dec 2018 23:47:02 +0000
Message-ID: <bug-201631-13602-Vk7Pri2eyD@https.bugzilla.kernel.org/>
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References: <bug-201631-13602@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=201631

--- Comment #37 from Benjamin Herrenschmidt (benh@kernel.crashing.org) ---
I would advise against those DMA patches. If the GPU tries to map an sglist
entry that crosses a 1G boundary, bad things will happen.

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