linux-kernel - Re: [PATCH 02/23] PCI: Rewrite bridge window head alignment function

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Message-ID: <20260127223937.GA384008@bhelgaas>
Date: Tue, 27 Jan 2026 16:39:37 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	LKML <linux-kernel@...r.kernel.org>,
	Malte Schröder <malte+lkml@...ip.de>,
	stable@...r.kernel.org
Subject: Re: [PATCH 02/23] PCI: Rewrite bridge window head alignment function

On Tue, Jan 27, 2026 at 01:22:22PM +0200, Ilpo Järvinen wrote:
> On Mon, 26 Jan 2026, Bjorn Helgaas wrote:
> > On Fri, Dec 19, 2025 at 07:40:15PM +0200, Ilpo Järvinen wrote:
> > > The calculation of bridge window head alignment is done by
> > > calculate_mem_align() [*]. With the default bridge window alignment, it
> > > is used for both head and tail alignment.
> ...

> > > Fixes: 5d0a8965aea9 ("[PATCH] 2.5.14: New PCI allocation code (alpha, arm, parisc) [2/2]")
> > 
> > check_commits complains that this SHA1 doesn't exist:
> > 
> >   In commit
> > 
> >     a21a27a0e893 ("PCI: Rewrite bridge window head alignment function")
> > 
> >   Fixes tag
> > 
> >     Fixes: 5d0a8965aea9 ("[PATCH] 2.5.14: New PCI allocation code (alpha, arm, parisc) [2/2]")
> > 
> >   has these problem(s):
> > 
> >     - Target SHA1 does not exist
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d0a8965aea9
> > does find it, but says it's not reachable.
> > 
> > It's so old (2002) that I'm not sure it's worth including it as a
> > Fixes: tag.
> 
> Hi,
> 
> The commit is in the history repo, and yes, even the git web ui for some 
> reason says it's not reachable by any branch:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=5d0a8965aea93bd799ebcd671e562d90f3ec2711
> 
> ...But it's part of a tag for sure:
> 
> $ git describe --contains 5d0a8965aea93bd799ebcd671e562d90f3ec2711
> v2.5.15~11^2~5^2~10

Thanks, I made it a Link tag instead:

  Link: https://git.kernel.org/history/history/c/5d0a8965aea9 ("[PATCH] 2.5.14: New PCI allocation code (alpha, arm, parisc) [2/2]")