linux-kernel - Re: [PATCH 12/15] drm/i915: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YUUdW2fb8wC+ClX0@zacax395.localdomain>
Date:   Sat, 18 Sep 2021 00:57:31 +0200
From:   Fernando Ramos <greenfoo@....eu>
To:     Sean Paul <sean@...rly.run>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-renesas-soc@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH 12/15] drm/i915: cleanup: drm_modeset_lock_all() -->
 DRM_MODESET_LOCK_ALL_BEGIN()

> >  	int i;
> > +	int ret;
> 
> Please move up with i

Done!


> > +	DRM_MODESET_LOCK_ALL_END((&dev_priv->drm), ctx, ret);
> >  
> >  	return 0;
> 
> Return ret here

Done!


> > +	struct drm_modeset_acquire_ctx ctx;
> >  	int i;
> > +	int ret;
> 
> Please move up with i

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> >  	return 0;
> 
> Return ret

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> >  	return 0;
> 
> Return ret

Done!


> > -	drm_modeset_unlock_all(dev);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> >  
> 
> Check ret here and return an error if it's != 0

Done!


> > @@ -1194,14 +1195,11 @@ int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
> >  	if (ret != 0)
> >  		goto out_unlock;
> >  
> > -	drm_modeset_unlock_all(dev);
> > -	i915_gem_object_put(new_bo);
> > -
> > -	return 0;
> > -
> >  out_unlock:
> > -	drm_modeset_unlock_all(dev);
> > -	i915_gem_object_put(new_bo);
> > +	DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
> > +
> > +	if (params->flags & I915_OVERLAY_ENABLE)
> > +		i915_gem_object_put(new_bo);
> 
> This function refactor is a bit more involved than the
> s/drm_modeset_lock_all/DRM_MODESET_LOCK_ALL_*/ changes in the rest of the patch.
> Could you split it out into a separate patch so it's not hidden away?

Sure, no problem.