On Mon, 2017-10-09 at 09:44 +0100, Chris Wilson wrote: > Currently, we reject attempting to pin a large bo into the mappable > aperture, but only after trying to create the vma. Under debug kernels, > repeatedly creating and freeing that vma for an oversized bo consumes > one-third of the runtime for pwrite/pread tests is spent on > kmalloc/kfree tracking. If we move the rejection to before creating that > vma, we lose some accuracy of checking against the fence_size as opposed > to object size, though the fence can never be smaller than the object. > Note that the vma creation itself will reject an attempt to create a vma > larger than the GTT so we can remove one redundant test. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
