From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Cc: Ben Widawsky <ben@bwidawsk.net>,
Ben Widawsky <benjamin.widawsky@intel.com>
Subject: Re: [PATCH 09/10] drm/i915: wait render timeout ioctl
Date: Sat, 21 Apr 2012 10:41:55 +0100 [thread overview]
Message-ID: <1335001339_11300@CP5-2952> (raw)
In-Reply-To: <1334971412-4826-10-git-send-email-ben@bwidawsk.net>
On Fri, 20 Apr 2012 18:23:31 -0700, Ben Widawsky <ben@bwidawsk.net> wrote:
> + ret = i915_seqno_wait_timed(ring, seqno, true, &timeout);
> + if (ret == -ERESTARTSYS)
> + ret = -EINTR;
Don't convert it here, pass ERESTARTSYS to the system call handler which
decides how to handle it.
> + else if (ret == -ETIME) {
> + ret = -EBUSY;
Why the semantic change? ETIME for timer timed out still seems appropriate.
I think this whole interface is a stop-gap solution for pollable sync
objects without a clear use case. Do we have a spec for a feature
wishing to build upon this interface?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-04-21 9:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-21 1:23 [PATCH 00/10] wait for BO with timeout Ben Widawsky
2012-04-21 1:23 ` [PATCH 01/10] drm/i915: remove do_retire from i915_wait_request Ben Widawsky
2012-04-21 17:17 ` Daniel Vetter
2012-04-21 17:27 ` Ben Widawsky
2012-04-21 17:36 ` Daniel Vetter
2012-04-21 1:23 ` [PATCH 02/10] drm/i915: move vbetool invoked ier stuff Ben Widawsky
2012-04-21 9:26 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 03/10] drm/i915: kill waiting_seqno Ben Widawsky
2012-04-22 13:46 ` Chris Wilson
2012-04-22 17:47 ` Ben Widawsky
2012-04-21 1:23 ` [PATCH 04/10] drm/i915: drop polled waits from i915_wait_request Ben Widawsky
2012-04-21 9:29 ` Chris Wilson
2012-04-21 16:14 ` Ben Widawsky
2012-04-21 1:23 ` [PATCH 05/10] drm/i915: extract __wait_seqno " Ben Widawsky
2012-04-21 1:23 ` [PATCH 06/10] drm/i915: use __wait_seqno for ring throttle Ben Widawsky
2012-04-22 14:17 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 07/10] drm/i915: timeout parameter for seqno wait Ben Widawsky
2012-04-22 12:52 ` Daniel Vetter
2012-04-21 1:23 ` [PATCH 08/10] drm/i915: real wait seqno with timeout Ben Widawsky
2012-04-21 1:23 ` [PATCH 09/10] drm/i915: wait render timeout ioctl Ben Widawsky
2012-04-21 9:41 ` Chris Wilson [this message]
2012-04-21 16:12 ` Ben Widawsky
2012-04-21 20:37 ` Ben Widawsky
2012-04-22 9:37 ` Chris Wilson
2012-04-22 9:48 ` Chris Wilson
2012-04-22 10:11 ` Daniel Vetter
2012-04-22 12:45 ` Daniel Vetter
2012-04-23 15:28 ` Ben Widawsky
2012-04-22 14:14 ` Chris Wilson
2012-04-21 1:23 ` [PATCH 10/10] drm/i915: s/i915_wait_reqest/i915_wait_seqno/g Ben Widawsky
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