From: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
To: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>,
<intel-gfx@lists.freedesktop.org>
Cc: dri-devel@lists.freedesktop.org,
"Jani Nikula" <jani.nikula@linux.intel.com>,
"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"Tvrtko Ursulin" <tursulin@ursulin.net>,
"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Krzysztof Niemiec" <krzysztof.niemiec@intel.com>
Subject: Re: [PATCH 2/3] drm/i915: Wait longer for threads in migrate selftest on CHV/BXT+VTD
Date: Fri, 10 Oct 2025 09:20:51 +0000 [thread overview]
Message-ID: <DDEJ549W1SKI.2P9MUWII6LGM0@intel.com> (raw)
In-Reply-To: <20251008161258.3568573-7-janusz.krzysztofik@linux.intel.com>
Hi Janusz
On Wed Oct 8, 2025 at 4:12 PM UTC, Janusz Krzysztofik wrote:
> When running on a Cherryview, or on a Broxton with VTD enabled, pinning of
> a VMA to GGTT is now committed asynchronously. That may defer further
> processing of resources that depend on that VMA. As a consequence, a 10ms
> delay in a multithreaded migrate test case may occur too short and still
> incomplete threads may be interrupted, and the test case may fail with
> -ERESTARTSYS or -EINTR error code returned by any of those threads.
>
> Extend the delay to empiricaly determined 100ms on affected platforms.
s/empiricaly/empirically
>
> Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
> ---
Reviewed-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
--
Best regards,
Sebastian
next prev parent reply other threads:[~2025-10-10 9:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-08 16:12 [PATCH 0/3] drm/i915: Avoid lock inversion when pinning to GGTT Janusz Krzysztofik
2025-10-08 16:12 ` [PATCH 1/3] " Janusz Krzysztofik
2025-10-10 9:17 ` Sebastian Brzezinka
2025-10-14 6:51 ` Krzysztof Karas
2025-10-08 16:12 ` [PATCH 2/3] drm/i915: Wait longer for threads in migrate selftest on CHV/BXT+VTD Janusz Krzysztofik
2025-10-10 9:20 ` Sebastian Brzezinka [this message]
2025-10-14 7:12 ` Krzysztof Karas
2025-10-14 8:33 ` Janusz Krzysztofik
2025-10-08 16:12 ` [PATCH 3/3] drm/i915: Wait for page_sizes_gtt in gtt " Janusz Krzysztofik
2025-10-10 9:22 ` Sebastian Brzezinka
2025-10-14 7:45 ` Krzysztof Karas
2025-10-08 17:11 ` ✓ i915.CI.BAT: success for drm/i915: Avoid lock inversion when pinning to GGTT Patchwork
2025-10-09 8:02 ` ✗ i915.CI.Full: failure " Patchwork
2025-10-09 13:44 ` Janusz Krzysztofik
2025-10-10 9:14 ` Ravali, JupallyX
2025-10-10 9:09 ` ✓ i915.CI.Full: success " Patchwork
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