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Age	Commit message (Collapse)	Author
2021-02-23	xen-front-pgdir-shbuf: don't record wrong grant handle upon error	Jan Beulich
	In order for subsequent unmapping to not mistakenly unmap handle 0, record a perceived always-invalid one instead. Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Juergen Gross <jgross@suse.com> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Link: https://lore.kernel.org/r/82414b0f-1b63-5509-7c1d-5bcc8239a3de@suse.com Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2018-12-18	xen: Introduce shared buffer helpers for page directory...	Oleksandr Andrushchenko
	based frontends. Currently the frontends which implement similar code for sharing big buffers between frontend and backend are para-virtualized DRM and sound drivers. Both define the same way to share grant references of a data buffer with the corresponding backend with little differences. Move shared code into a helper module, so there is a single implementation of the same functionality for all. This patch introduces code which is used by sound and display frontend drivers without functional changes with the intention to remove shared code from the corresponding drivers. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Acked-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>