[Intel-gfx] [PATCH] drm/i915: Hang counting is now always per-fd, so relax the ioctl for DEFAULT_CONTEXT

[Ben Widawsky]

On Thu, May 01, 2014 at 08:18:44AM +0100, Chris Wilson wrote:
> Since we only count hangs towards the owner of the fd issuing the
> command, we can allow that fd to inspect its own default context without
> leaking global information. We introduced per-fd accounting with
> 
> commit 0eea67eb26000657079b7fc41079097942339452
> Author: Ben Widawsky <ben at bwidawsk.net>
> Date:   Fri Dec 6 14:11:19 2013 -0800
> 
>     drm/i915: Create a per file_priv default context
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Ben Widawsky <ben at bwidawsk.net>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: Kenneth Graunke <kenneth at whitecape.org>

Acked-by: Ben Widawsky <ben at bwidawsk.net>

I can bump it to a r-b if Mika doesn't

> ---
>  drivers/gpu/drm/i915/intel_uncore.c |    3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index 2adf6aa..f8f13ae 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -930,9 +930,6 @@ int i915_get_reset_stats_ioctl(struct drm_device *dev,
>  	if (args->flags || args->pad)
>  		return -EINVAL;
>  
> -	if (args->ctx_id == DEFAULT_CONTEXT_ID && !capable(CAP_SYS_ADMIN))
> -		return -EPERM;
> -
>  	ret = mutex_lock_interruptible(&dev->struct_mutex);
>  	if (ret)
>  		return ret;
> -- 
> 1.7.9.5
> 
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-- 
Ben Widawsky, Intel Open Source Technology Center