> 在 2019年5月23日，上午4:14，Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> 写道： > > Quoting Michal Wajdeczko (2019-05-22 20:00:56) >> During driver load we checked that HuC firmware was verified, and once >> verified it stays verified, so there is no need to check that again. >> >> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx> >> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> >> Cc: Tony Ye <tony.ye@xxxxxxxxx> > > Makes sense to me as purely a code monkey. > > Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > I would like a second opinion from someone who knows the innards of the > HuC to confirm that indeed once verified, it remains verified. And if it > can change, we need to report the change in status to userspace (or they > just hang and the gpu + huc gets reset). > -Chris UMD doesn’t authenticate HuC. It only reads the authentication status. So as long as KMD/GuC verified it, it keeps verified. Regards, -Tony _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
