From: Juergen Gross <jgross@suse.com>
To: Demi Marie Obenour <demiobenour@gmail.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF
Date: Mon, 31 Jan 2022 07:42:16 +0100 [thread overview]
Message-ID: <337b7168-b1c0-cdba-2ae0-482bb16ab2ec@suse.com> (raw)
In-Reply-To: <68f3303d-f035-ffdf-c786-9c826e66bd0b@gmail.com>
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On 30.01.22 19:35, Demi Marie Obenour wrote:
> The current implementation of gntdev guarantees that the first call to
> IOCTL_GNTDEV_MAP_GRANT_REF will set @index to 0. This is required to
> use gntdev for Wayland, which is a future desire of Qubes OS.
> Additionally, requesting zero grants results in an error, but this was
> not documented either. Document both of these.
Please add a "Signed-off-by:" tag to your commit message.
See Documentation/process/submitting-patches.rst in the kernel source
tree, look for "Sign your work - the Developer's Certificate of Origin".
Juergen
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prev parent reply other threads:[~2022-01-31 6:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-30 18:35 Demi Marie Obenour
2022-01-31 6:42 ` Juergen Gross [this message]
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