From: Chris Wilson <chris@chris-wilson.co.uk>
To: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [CI 08/14] drm/i915/selftests: Force a rewind if at first we don't succeed
Date: Tue, 02 Feb 2021 21:24:16 +0000 [thread overview]
Message-ID: <161230105652.29124.10262513252353794695@build.alporthouse.com> (raw)
In-Reply-To: <161230047545.28247.13315008950874636165@build.alporthouse.com>
Quoting Chris Wilson (2021-02-02 21:14:35)
> Quoting Chris Wilson (2021-02-02 17:43:53)
> > Let's see how horrible it is to cycle elements on defer. (Curse the
> > irqlock pollution.)
>
> While that did work. I do not have a good idea on how to do list
> rotation on an RCU list. I can see that it must require a pair of
> synchronize_rcu, and that spells disaster (at least for handling it
> inline).
>
> Another way might be to randomize the deadlines along each branch to the
> tree... Except we don't have deadlines at this point and we can't so
> freely change the priorities.
Speaking of which, this is 'fixed' by the deadlines as there we will
reorder ELSP as the test expects. (Which is why I didn't notice this for
so long.)
-Chris
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next prev parent reply other threads:[~2021-02-02 21:24 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-02 15:14 [Intel-gfx] [CI 01/14] drm/i915/gt: Move engine setup out of set_default_submission Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 02/14] drm/i915/gt: Move submission_method into intel_gt Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 03/14] drm/i915/gt: Move CS interrupt handler to the backend Chris Wilson
2021-02-02 15:49 ` Tvrtko Ursulin
2021-02-02 15:53 ` Chris Wilson
2021-02-02 16:08 ` Chris Wilson
2021-02-02 16:15 ` [Intel-gfx] [PATCH v2] " Chris Wilson
2021-02-02 16:33 ` Tvrtko Ursulin
2021-02-02 15:14 ` [Intel-gfx] [CI 04/14] drm/i915: Replace engine->schedule() with a known request operation Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 05/14] drm/i915: Restructure priority inheritance Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 06/14] drm/i915/selftests: Measure set-priority duration Chris Wilson
2021-02-02 16:49 ` Tvrtko Ursulin
2021-02-02 15:14 ` [Intel-gfx] [CI 07/14] drm/i915/selftests: Exercise priority inheritance around an engine loop Chris Wilson
2021-02-02 16:44 ` Tvrtko Ursulin
2021-02-02 17:22 ` Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 08/14] drm/i915/selftests: Force a rewind if at first we don't succeed Chris Wilson
2021-02-02 16:52 ` Tvrtko Ursulin
2021-02-02 17:43 ` Chris Wilson
2021-02-02 21:14 ` Chris Wilson
2021-02-02 21:24 ` Chris Wilson [this message]
2021-02-02 21:32 ` Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 09/14] drm/i915: Improve DFS for priority inheritance Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 10/14] drm/i915: Extract request submission from execlists Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 11/14] drm/i915: Extract request rewinding " Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 12/14] drm/i915: Extract request suspension from the execlists Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 13/14] drm/i915: Extract the ability to defer and rerun a request later Chris Wilson
2021-02-02 15:14 ` [Intel-gfx] [CI 14/14] drm/i915: Fix the iterative dfs for defering requests Chris Wilson
2021-02-02 18:37 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with [CI,01/14] drm/i915/gt: Move engine setup out of set_default_submission (rev2) Patchwork
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