From: sashiko-bot@kernel.org
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
linux-pci@vger.kernel.org
Subject: Re: [PATCH v3 6/8] PCI: Place resources to either edge of the window
Date: Tue, 13 Oct 2026 13:19:48 +0000 [thread overview]
Message-ID: <sashiko-outbox-169793@kernel.org> (raw)
In-Reply-To: <20261013130948.6231-7-ilpo.jarvinen@linux.intel.com>
> PCI resource assignment phase based on a greedy algorithm. The
> resources are assigned in descending order of required alignment.
> Because the PCI BARs are power-of-two sized resources, it mostly works
> (bridge windows and VF BARs are composite resources that might not
> necessarily have power-of-two size but internally they are still
> composed of BARs).
>
> The resource assignment prior to the commit 9036bd0efcb6 ("PCI: Align
> head space better") placed resource to/towards the left edge of the
> window. The commit 9036bd0efcb6 ("PCI: Align head space better")
> altered assignment for resources whose size is not a perfect multiple
> of the required alignment by moving the remainder before the left edge
> of the window if possible.
>
> The behavior after the commit 9036bd0efcb6 ("PCI: Align head space
> [ ... ]
> Tested-by: Alexey Fomenko <alexey.fomenko@intel.com>
> Reported-by: Eric Auger <eauger@redhat.com>
> Tested-by: Eric Auger <eric.auger@redhat.com>
> Tested-by: Nikolas Joshua Britton <nbritton@exabit.io>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261013130948.6231-1-ilpo.jarvinen@linux.intel.com?part=6
next prev parent reply other threads:[~2026-10-13 13:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 13:09 [PATCH v3 0/8] PCI: Resource placement algorithm fixes Ilpo Järvinen
2026-10-13 13:09 ` [PATCH v3 1/8] resource: Mark free space assigned Ilpo Järvinen
2026-10-13 13:28 ` sashiko-bot
2026-10-13 13:09 ` [PATCH v3 2/8] PCI/parisc: Clean up resource debug print & use dynamic debug Ilpo Järvinen
2026-10-13 13:19 ` sashiko-bot
2026-10-13 13:09 ` [PATCH v3 3/8] PCI: Honor alignment overrides Ilpo Järvinen
2026-10-13 13:24 ` sashiko-bot
2026-10-13 14:08 ` Rodrigo Vivi
2026-10-13 13:09 ` [PATCH v3 4/8] PCI: Fix nesting windows with remainder at the left edge Ilpo Järvinen
2026-10-13 13:25 ` sashiko-bot
2026-10-13 13:09 ` [PATCH v3 5/8] linux/log2.h: Add 64-bit roundup/down_pow_of_two64() variants Ilpo Järvinen
2026-10-13 13:16 ` sashiko-bot
2026-10-13 13:09 ` [PATCH v3 6/8] PCI: Place resources to either edge of the window Ilpo Järvinen
2026-10-13 13:19 ` sashiko-bot [this message]
2026-10-13 13:09 ` [PATCH v3 7/8] PCI: Fix composite resource sizing Ilpo Järvinen
2026-10-13 13:26 ` sashiko-bot
2026-10-13 13:09 ` [PATCH v3 8/8] PCI/quirks: Avoid certain address on Genoa systems Ilpo Järvinen
2026-10-13 13:24 ` sashiko-bot
2026-10-13 17:00 ` Mario Limonciello
2026-10-13 17:03 ` Mario Limonciello
2026-10-13 17:26 ` Ilpo Järvinen
2026-10-13 18:59 ` Mario Limonciello
2026-10-13 22:40 ` Bjorn Helgaas
2026-10-14 0:43 ` Borislav Petkov
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