20 Oct
2021
20 Oct
'21
2:42 p.m.
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, for now.
Reported-by: Thomas Hellström thomas.hellstrom@linux.intel.com Signed-off-by: Matthew Auld matthew.auld@intel.com Cc: Thomas Hellström thomas.hellstrom@linux.intel.com
Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com