On to, 2017-05-18 at 10:46 +0100, Chris Wilson wrote:
> Whilst the contents of the context is still protected by the big
> struct_mutex, this is not much of an improvement. It is just one tiny
> step towards reducing our BKL.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
<SNIP>
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -665,16 +665,17 @@ static int eb_select_context(struct i915_execbuffer *eb)
> struct i915_gem_context *ctx;
>
> ctx = i915_gem_context_lookup(eb->file->driver_priv, eb->args->rsvd1);
> - if (unlikely(IS_ERR(ctx)))
> - return PTR_ERR(ctx);
> + if (unlikely(!ctx))
> + return -ENOENT;
>
> if (unlikely(i915_gem_context_is_banned(ctx))) {
> DRM_DEBUG("Context %u tried to submit while banned\n",
> ctx->user_handle);
> + i915_gem_context_put(ctx);
> return -EIO;
Dem sweet onions.
> }
Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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