Hi, On Fri, Aug 09, 2019 at 02:05:12PM +0200, Lucas Stach wrote:
With per-process address spaces in place, a rogue process submitting bogus command streams can only hurt itself. There is no need to validate the command stream before execution anymore.
Signed-off-by: Lucas Stach l.stach@pengutronix.de Reviewed-by: Philipp Zabel p.zabel@pengutronix.de
Reviewed-by: Guido Günther agx@sigxcpu.org
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 16e7d371a7ef..63a1206492d2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -517,7 +517,8 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, if (ret) goto err_submit_objects;
- if (!etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4,
- if ((priv->mmu_global->version != ETNAVIV_IOMMU_V2) &&
!etnaviv_cmd_validate_one(gpu, stream, args->stream_size / 4, relocs, args->nr_relocs)) {-- 2.20.1
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