From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: "Simon Richter" <Simon.Richter@hogyros.de>,
"Lucas De Marchi" <lucas.demarchi@intel.com>,
"Alex Deucher" <alexander.deucher@amd.com>,
amd-gfx@lists.freedesktop.org,
"Bjorn Helgaas" <bhelgaas@google.com>,
"David Airlie" <airlied@gmail.com>,
dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
intel-xe@lists.freedesktop.org,
"Jani Nikula" <jani.nikula@linux.intel.com>,
"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>,
linux-pci@vger.kernel.org,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Tvrtko Ursulin" <tursulin@ursulin.net>,
"Christian König" <christian.koenig@amd.com>,
"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
"Michał Winiarski" <michal.winiarski@intel.com>
Subject: Re: [PATCH v2 00/11] PCI: BAR resizing fix/rework
Date: Fri, 14 Nov 2025 12:06:00 +0000 [thread overview]
Message-ID: <87jyzsq0nr.fsf@draig.linaro.org> (raw)
In-Reply-To: <20251113162628.5946-1-ilpo.jarvinen@linux.intel.com> ("Ilpo Järvinen"'s message of "Thu, 13 Nov 2025 18:26:17 +0200")
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> writes:
> Hi all,
>
> Thanks to issue reports from Simon Richter and Alex Bennée, I
> discovered BAR resize rollback can corrupt the resource tree. As fixing
> corruption requires avoiding overlapping resource assignments, the
> correct fix can unfortunately results in worse user experience, what
> appeared to be "working" previously might no longer do so. Thus, I had
> to do a larger rework to pci_resize_resource() in order to properly
> restore resource states as it was prior to BAR resize.
<snip>
>
> base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787
Ahh I have applied to 6.18-rc5 with minor conflicts and can verify that
on my AVA the AMD GPU shows up again and I can run inference jobs
against it. So for that case:
Tested-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
Virtualisation Tech Lead @ Linaro
next prev parent reply other threads:[~2025-11-14 12:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-13 16:26 [PATCH v2 00/11] PCI: BAR resizing fix/rework Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 01/11] PCI: Prevent resource tree corruption when BAR resize fails Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 02/11] PCI/IOV: Adjust ->barsz[] when changing BAR size Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 03/11] PCI: Change pci_dev variable from 'bridge' to 'dev' Ilpo Järvinen
2025-11-14 14:35 ` Alex Bennée
2025-11-13 16:26 ` [PATCH v2 04/11] PCI: Try BAR resize even when no window was released Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 05/11] PCI: Freeing saved list does not require holding pci_bus_sem Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 06/11] PCI: Fix restoring BARs on BAR resize rollback path Ilpo Järvinen
2025-11-13 16:46 ` Ilpo Järvinen
2025-11-13 21:01 ` Bjorn Helgaas
2025-11-14 9:34 ` Christian König
2026-01-20 21:17 ` Ville Syrjälä
2026-01-21 10:02 ` Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 07/11] PCI: Add kerneldoc for pci_resize_resource() Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 08/11] drm/xe: Remove driver side BAR release before resize Ilpo Järvinen
2025-11-14 13:10 ` Alex Bennée
2025-11-14 13:16 ` Ilpo Järvinen
2025-11-14 15:58 ` Lucas De Marchi
2025-11-13 16:26 ` [PATCH v2 09/11] drm/i915: " Ilpo Järvinen
2025-11-14 15:55 ` Lucas De Marchi
2025-11-13 16:26 ` [PATCH v2 10/11] drm/amdgpu: " Ilpo Järvinen
2025-11-13 16:26 ` [PATCH v2 11/11] PCI: Prevent restoring assigned resources Ilpo Järvinen
2025-11-13 17:16 ` [PATCH v2 00/11] PCI: BAR resizing fix/rework Bjorn Helgaas
2025-11-14 9:30 ` Alex Bennée
2025-11-14 18:27 ` Bjorn Helgaas
2025-11-14 12:06 ` Alex Bennée [this message]
2025-11-14 12:48 ` Ilpo Järvinen
2025-11-14 14:08 ` Alex Bennée
2025-11-14 18:35 ` Bjorn Helgaas
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