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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>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 03/11] PCI: Change pci_dev variable from 'bridge' to 'dev'
Date: Fri, 14 Nov 2025 14:35:08 +0000	[thread overview]
Message-ID: <87346gptr7.fsf@draig.linaro.org> (raw)
In-Reply-To: <20251113162628.5946-4-ilpo.jarvinen@linux.intel.com> ("Ilpo Järvinen"'s message of "Thu, 13 Nov 2025 18:26:20 +0200")

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> writes:

> Upcoming fix to BAR resize will store also device BAR resource in the
> saved list. Change the pci_dev variable in the loop from 'bridge' to
> 'dev' as the former would be misleading with non-bridges in the list.
>
> This is in a separate change to reduce churn in the upcoming BAR resize
> fix.
>
> While it appears that the logic in the loop doing pci_setup_bridge() is
> altered as 'bridge' variable is no longer updated, a bridge should
> never appear more than once in the saved list so the if check can only
> match to the first entry. As such, the code with two distinct pci_dev
> variables better represents the intention of the check compared with the
> old code where bridge variable was reused for a different purpose.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro

  reply	other threads:[~2025-11-14 14:35 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20251113162628.5946-1-ilpo.jarvinen@linux.intel.com>
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 [this message]
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

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