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From: Aleksa Sarai <aleksa@amutable.com>
To: Christian Brauner <brauner@kernel.org>
Cc: Jori Koolstra <jkoolstra@xs4all.nl>,
	Mark Brown <broonie@kernel.org>,
	 Dorjoy Chowdhury <dorjoychy111@gmail.com>,
	Jeff Layton <jlayton@kernel.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	 Aleksa Sarai <cyphar@cyphar.com>
Subject: Re: linux-next: build failure after merge of the vfs-brauner tree
Date: Wed, 27 May 2026 23:09:44 +1000	[thread overview]
Message-ID: <2026-05-27-yapping-angled-spoof-tunic-AYfaAV@amutable.com> (raw)
In-Reply-To: <20260527-bordstein-reizt-gemindert-a76319be86a1@brauner>

On 2026-05-27, Christian Brauner <brauner@kernel.org> wrote:
> On Thu, May 21, 2026 at 03:58:05PM +0200, Jori Koolstra wrote:
> > 
> > > Op 19-05-2026 18:24 CEST schreef Mark Brown <broonie@kernel.org>:
> > > 
> > >  
> > > On Mon, May 18, 2026 at 09:12:44PM +0200, Jori Koolstra wrote:
> > > > > Op 18-05-2026 19:13 CEST schreef Mark Brown <broonie@kernel.org>:
> > > 
> > > > > Figured it'd be an arch specific version of a similar thing - I didn't
> > > > > audit them as you can see.
> > > 
> > > > These confusions with octal numbers in lists that aren't even ordered is
> > > > why I would prefer to use shifted values instead. I don't see any reason
> > > > actually why we should not just convert them all, apart from churning and
> > > > perhaps not doing it correctly (which would be bad). My rationale for mixing
> > > > was to use 1 << n at least for the remaining bits. If I remember correctly,
> > > > this is also what Aleksa preferred.
> > > 
> > > Yeah, shifted values do make sense to me as well - other than the
> > > inconsistent style the only issue I saw was that it's a bit less obvious
> > > that the values collide.
> > 
> > Yeah, that's unfortunate.
> > 
> > @Christian, can we get rid of these octal values? Or is that too much churn?
> 
> Do it.

If we could also get some comments in asm-generic that tell you which
flag bits are "cursed", that would also be quite great. My impression is
a fair number of people forget to check the arch-specific headers, so
having a note in the generic one would let us avoid this issue in future
(and IMHO will be more effective than just switching from octal).

-- 
Aleksa Sarai
Founding Engineer at Amutable
https://www.cyphar.com/

  reply	other threads:[~2026-05-27 13:16 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-18 10:47 linux-next: build failure after merge of the vfs-brauner tree Mark Brown
2026-05-18 16:32 ` Mark Brown
2026-05-18 17:06   ` Dorjoy Chowdhury
2026-05-18 17:13     ` Mark Brown
2026-05-18 19:12       ` Jori Koolstra
2026-05-19 16:24         ` Mark Brown
2026-05-21 13:58           ` Jori Koolstra
2026-05-27 12:21             ` Christian Brauner
2026-05-27 13:09               ` Aleksa Sarai [this message]
  -- strict thread matches above, loose matches on Subject: below --
2026-04-09 12:25 Mark Brown
2026-03-25 12:32 Mark Brown
2026-03-26 13:36 ` Christian Brauner
2026-03-27 17:48   ` Mark Brown
2026-03-30 13:17     ` Mark Brown
2026-03-31  9:21       ` Christian Brauner
2026-04-01 10:55         ` Mark Brown
2026-03-13 13:00 Mark Brown
2026-03-23 13:56 ` Mark Brown
2026-03-23 15:37   ` Christian Brauner
2026-03-24 13:28     ` Mark Brown
2026-03-26 13:42       ` Christian Brauner
2026-01-27 11:45 Mark Brown
2026-02-02 14:58 ` Mark Brown
2026-02-04 14:31   ` Mark Brown
2026-02-06 12:19     ` Christian Brauner
2026-02-08 20:55       ` Mark Brown
2026-02-09  1:14         ` Al Viro
2026-01-19 14:30 Mark Brown
2026-01-20  6:55 ` kernel test robot
2026-01-20  8:39 ` kernel test robot
2025-11-16 21:43 Stephen Rothwell
2025-11-16 22:23 ` Jeff Layton
2025-11-17  2:16   ` Stephen Rothwell
2025-11-28  0:04     ` Stephen Rothwell
2025-11-28  9:53       ` Christian Brauner
2025-11-05 22:49 Stephen Rothwell
2025-11-28 10:09 ` Christian Brauner
2025-11-05  0:10 Stephen Rothwell
2025-10-30 21:35 Stephen Rothwell
2025-09-04  1:33 Stephen Rothwell
2025-09-04  7:44 ` schuster.simon
2025-09-08  2:02 ` Stephen Rothwell
2025-09-10  0:49   ` Stephen Rothwell
2025-09-11 12:13     ` Bagas Sanjaya
2025-09-15  6:35     ` schuster.simon
2025-09-15 14:11     ` Christian Brauner
2025-08-31 23:34 Stephen Rothwell
2025-09-01  4:44 ` Onur Özkan
2025-08-17 23:05 Stephen Rothwell
2025-08-19 23:42 ` Stephen Rothwell
2025-08-20 22:54   ` Stephen Rothwell
2025-08-20 23:16     ` Andrew Morton
2025-08-20 23:15 ` Stephen Rothwell
2025-06-18 23:45 Stephen Rothwell
2025-06-19  5:22 ` Lorenzo Stoakes
2025-05-21 10:49 Stephen Rothwell
2025-05-23 10:14 ` Christian Brauner
2025-03-17 23:12 Stephen Rothwell
2025-03-18 15:24 ` Mike Marshall
2025-03-18 15:37   ` Arnd Bergmann
2025-03-18 15:42     ` Mike Marshall
2025-03-17 12:56 Stephen Rothwell
2024-12-11 22:54 Stephen Rothwell
2024-09-02 23:27 Stephen Rothwell
2024-09-03  2:41 ` Aleksa Sarai
2024-09-05  0:58   ` Stephen Rothwell
2024-09-10  0:23     ` Stephen Rothwell
2024-09-10  8:50       ` Christian Brauner
2024-09-10 11:12         ` Stephen Rothwell
2024-09-12 10:23           ` Christian Brauner
2024-09-12 11:24             ` Stephen Rothwell
2024-09-10 14:26         ` Arnaldo Carvalho de Melo
2024-08-19 23:03 Stephen Rothwell
2024-08-06  0:57 Stephen Rothwell
2024-07-26  0:00 Stephen Rothwell
2024-07-29 23:00 ` Stephen Rothwell
2024-07-30 12:12   ` Christian Brauner
2024-06-27 14:08 Mark Brown
2024-04-04  2:24 Stephen Rothwell
2024-04-04  7:50 ` David Howells
2024-02-18 23:44 Stephen Rothwell
2024-03-12 23:41 ` Stephen Rothwell
2024-03-12 23:45   ` Chuck Lever III
2024-03-13  3:10     ` Stephen Rothwell
2024-02-11 23:52 Stephen Rothwell
2024-02-12  0:36 ` Kent Overstreet
2024-01-23  1:52 Stephen Rothwell
2024-01-24  1:20 ` Stephen Rothwell
2024-01-24 11:13   ` Christian Brauner
2024-01-24 11:35     ` Stephen Rothwell
2024-01-25 16:21       ` Christian Brauner
2023-12-21  0:18 Stephen Rothwell
2023-12-21  1:32 ` Matthew Wilcox
2023-12-21 23:41 ` Stephen Rothwell
2023-10-31  1:07 Stephen Rothwell
2023-10-18 23:54 Stephen Rothwell
2023-10-19  9:17 ` Christian Brauner
2023-10-02 22:30 Stephen Rothwell
2023-10-03 13:24 ` Christian Brauner
2023-09-28  0:54 Stephen Rothwell
2023-10-02 11:21 ` Jan Kara
2023-10-02 11:26   ` Jan Kara
2023-10-02 21:24     ` Stephen Rothwell
2023-10-03 13:27   ` Kent Overstreet
2023-10-04 15:46     ` Jan Kara
2023-10-09 14:00       ` Christian Brauner
2023-09-28  0:39 Stephen Rothwell
2023-09-28 14:52 ` Christian Brauner
2023-08-03  0:03 Stephen Rothwell
2023-08-03 10:06 ` Jan Kara

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