From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 2/2] drm/i915/selftests: Exercise cross-process context isolation
Date: Thu, 14 Jan 2021 10:18:54 +0000 [thread overview]
Message-ID: <161061953488.19482.15393401097833081668@build.alporthouse.com> (raw)
In-Reply-To: <161061921709.19482.2488244988261947924@build.alporthouse.com>
Quoting Chris Wilson (2021-01-14 10:13:37)
> Quoting Chris Wilson (2021-01-14 09:26:39)
> > + rq = record_registers(A, a, result[0], result[1], false, &sema);
> > + if (IS_ERR(rq)) {
> > + err = PTR_ERR(rq);
> > + goto err_result1;
> > + }
> > +
> > + err = poison_registers(B, a, poison, false, &sema);
>
> Hmm. Will want to add a synchronisation pointer before poisoning the
> registers, we want to make sure context A is active at the time.
Already waits for the poison in record_registers, between the first and
second reads!
-Chris
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prev parent reply other threads:[~2021-01-14 10:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-14 9:26 [Intel-gfx] [PATCH 1/2] drm/i915/selftests: Exercise relative mmio paths to non-privileged registers Chris Wilson
2021-01-14 9:26 ` [Intel-gfx] [PATCH 2/2] drm/i915/selftests: Exercise cross-process context isolation Chris Wilson
2021-01-14 10:13 ` Chris Wilson
2021-01-14 10:18 ` Chris Wilson [this message]
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