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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 1/2] drm/i915: clear up wedged transitions
Date: Thu, 4 Sep 2014 07:11:24 +0100
Message-ID: <20140904061124.GE3171@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <CAKMK7uG955wD+oAm4UkUJPZFUMH=WyYdTxpOP8m_SgBDhEBsRw@mail.gmail.com>

On Thu, Sep 04, 2014 at 08:03:26AM +0200, Daniel Vetter wrote:
> On Wed, Sep 3, 2014 at 10:26 PM, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> >> @@ -1385,7 +1372,7 @@ out:
> >>               /* If this -EIO is due to a gpu hang, give the reset code a
> >>                * chance to clean up the mess. Otherwise return the proper
> >>                * SIGBUS. */
> >> -             if (!atomic_read(&dev_priv->gpu_error.wedged))
> >> +             if (i915_terminally_wedged(&dev_priv->gpu_error))
> >>                       return VM_FAULT_SIGBUS;
> >
> > (i915_gem_fault())
> >
> > This if() is backwards.
> 
> It should keep the logic mostly unchanged. But I guess returning
> SIGBUS if the gpu died for real isn't too friendly?

No, the patch inverted the logic.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

      reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-14 16:14 [PATCH 0/6] robustify reset transitions Daniel Vetter
2012-11-14 16:14 ` [PATCH 1/6] drm/i915: move dev_priv->mm out of line Daniel Vetter
2012-12-04 16:31   ` Damien Lespiau
2012-11-14 16:14 ` [PATCH 2/6] drm/i915: extract hangcheck/reset/error_state state into substruct Daniel Vetter
2012-12-04 17:20   ` Damien Lespiau
2012-11-14 16:14 ` [PATCH 3/6] drm/i915: move wedged to the other gpu error handling stuff Daniel Vetter
2012-12-04 17:24   ` Damien Lespiau
2012-11-14 16:14 ` [PATCH 4/6] drm/i915: fix reset handling in the throttle ioctl Daniel Vetter
2012-12-05 14:08   ` Damien Lespiau
2012-11-14 16:14 ` [PATCH 5/6] drm/i915: clear up wedged transitions Daniel Vetter
2012-11-14 16:14 ` [PATCH 6/6] drm/i915: create a race-free reset detection Daniel Vetter
2012-11-15 16:17 ` [PATCH 1/2] drm/i915: clear up wedged transitions Daniel Vetter
2012-11-15 16:17   ` [PATCH 2/2] drm/i915: create a race-free reset detection Daniel Vetter
2012-12-05 16:35     ` Damien Lespiau
2012-12-06  8:01       ` [PATCH] " Daniel Vetter
2012-12-06 15:23       ` [PATCH] drm/i915: clarify concurrent hang detect/gpu reset consistency Daniel Vetter
2013-01-18 20:48       ` [PATCH 2/2] drm/i915: create a race-free reset detection Daniel Vetter
2013-01-21 12:06         ` Damien Lespiau
2013-01-21 19:15           ` Daniel Vetter
2012-12-05 14:54   ` [PATCH 1/2] drm/i915: clear up wedged transitions Damien Lespiau
2012-12-05 16:38   ` Damien Lespiau
2012-12-05 17:14     ` Daniel Vetter
2014-09-03 20:26   ` Chris Wilson
2014-09-04  6:03     ` Daniel Vetter
2014-09-04  6:11       ` Chris Wilson [this message]

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