On Wed, Mar 29, 2017 at 04:56:24PM +0100, Chris Wilson wrote: > Introduce a new execobject.flag (EXEC_OBJECT_CAPTURE) that userspace may > use to indicate that it wants the contents of this buffer preserved in > the error state (/sys/class/drm/cardN/error) following a GPU hang > involving this batch. > > Use this at your discretion, the contents of the error state. although > compressed, are allocated with GFP_ATOMIC (i.e. limited) and kept for all > eternity (until the error state is destroyed). > > Based on an earlier patch by Ben Widawsky <ben@xxxxxxxxxxxx> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Ben Widawsky <ben@xxxxxxxxxxxx> > Cc: Matt Turner <mattst88@xxxxxxxxx> > Acked-by: Ben Widawsky <ben@xxxxxxxxxxxx> > Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> I believe Matt has userspace ready to make use of this flag and is happy with the current ABI. Matt, are we ready to commit ourselves to this interface? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
