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 [thread overview]
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
prev parent reply other threads:[~2014-09-04 6:11 UTC|newest]
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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