On Mon, Oct 18, 2021 at 06:45:03PM +0100, Matthew Auld wrote:
> As pointed out by Thomas, we likely need to flush the pages here if the
> GPU can read the page contents directly from main memory. Underneath we
> don't know what the sg_table is pointing to, so just add a
> wbinvd_on_all_cpus()
On Mon, 2021-10-18 at 18:45 +0100, Matthew Auld wrote:
> As pointed out by Thomas, we likely need to flush the pages here if
> the
> GPU can read the page contents directly from main memory. Underneath
> we
> don't know what the sg_table is pointing to, so just add a
> wbinvd_on_all_cpus() here,
As pointed out by Thomas, we likely need to flush the pages here if the
GPU can read the page contents directly from main memory. Underneath we
don't know what the sg_table is pointing to, so just add a
wbinvd_on_all_cpus() here, for now.
Reported-by: Thomas Hellström
Signed-off-by: Matthew Auld
