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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