All of lore.kernel.org
 help / color / mirror / Atom feed
From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andreas Schwab <schwab@linux-m68k.org>,
	Ian Kent <raven@themaw.net>, David Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, autofs@vger.kernel.org,
	Thomas Meyer <thomas@m3y3r.de>, Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH] autofs4: fix compilation without CONFIG_COMPAT
Date: Sat, 25 Feb 2012 17:46:39 -0800	[thread overview]
Message-ID: <4F498EFF.6040309@zytor.com> (raw)
In-Reply-To: <CA+55aFxH4_gucG7vpdV5NJPNHoXy5bSGtr0yHqmobvYO6PmjNw@mail.gmail.com>

On 02/25/2012 05:31 PM, Linus Torvalds wrote:
> On Sat, Feb 25, 2012 at 2:10 PM, Andreas Schwab <schwab@linux-m68k.org> wrote:
>> The compat_daemon stuff is only needed on x86-64, and is_compat_task is
>> only defined with CONFIG_COMPAT, so disable it for all other
>> configurations.
> 
> Ugh, I hate the proliferation of #ifdefs in code when they aren't
> really necessary.
> 
> How about this patch instead? It's small, simple, and clean. Maybe it
> would even allow a few other #ifdef's to be removed (I see one in
> kernel/seccomp.c, for example, although I suspect that
> 'mode1_syscalls_32' might also be a compat-only thing, so who knows)
> 
> And if you worry about the size of autofs_sb_info, I think that could
> be made denser by using 'char' or bitfields instead of the various
> ints that hold small values or flags instead.
> 

I think this patch could help clean up other places, too.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

  reply	other threads:[~2012-02-26  1:46 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-22  2:24 compat: autofs v5 packet size ambiguity - update Linus Torvalds
2012-02-22  3:16 ` David Miller
2012-02-22  3:33   ` Linus Torvalds
2012-02-22  3:47     ` Linus Torvalds
2012-02-22  4:20       ` Ian Kent
2012-02-22  4:56       ` Linus Torvalds
2012-02-22  5:43         ` Ian Kent
2012-02-22  5:53           ` Ian Kent
2012-02-22  5:57             ` Ian Kent
2012-02-22  9:32               ` Ian Kent
2012-02-22 12:15                 ` Ian Kent
2012-02-22 12:39                   ` Ian Kent
2012-02-22 12:45                     ` Ian Kent
2012-02-22 16:20                       ` Linus Torvalds
2012-02-22 15:13                 ` H. Peter Anvin
2012-02-23  1:35                   ` Ian Kent
2012-02-22 16:12                 ` Linus Torvalds
2012-02-23  1:48                   ` Ian Kent
2012-02-23  1:54                     ` Ian Kent
2012-02-23  2:21                       ` Ian Kent
2012-02-23  6:29                         ` Ian Kent
2012-02-23  6:31                           ` H. Peter Anvin
2012-02-23 11:20                             ` Ian Kent
2012-02-23 11:26                               ` Ian Kent
2012-02-23  8:54                         ` Thomas Meyer
2012-02-23  1:56                     ` Linus Torvalds
2012-02-23  2:09                       ` Ian Kent
2012-02-23  2:11                         ` Ian Kent
2012-02-23  2:25                         ` Linus Torvalds
2012-02-23  2:32                           ` Ian Kent
2012-02-25 11:28               ` Thomas Meyer
2012-02-25 22:10               ` [PATCH] autofs4: fix compilation without CONFIG_COMPAT Andreas Schwab
2012-02-26  1:31                 ` Linus Torvalds
2012-02-26  1:46                   ` H. Peter Anvin [this message]
2012-02-26  1:53                     ` Linus Torvalds
2012-02-26  3:07                       ` H. Peter Anvin
2012-02-26  9:05                   ` Andreas Schwab
2012-02-27  7:29                   ` Christian Borntraeger
2012-02-27  9:09                     ` Heiko Carstens
2012-02-27  9:09                       ` Heiko Carstens
2012-02-27 16:22                       ` H. Peter Anvin
2012-02-27 16:25                         ` Linus Torvalds
2012-02-27  9:20                     ` Ian Kent
2012-02-22  6:02           ` compat: autofs v5 packet size ambiguity - update H. Peter Anvin
2012-02-22 16:10             ` Linus Torvalds
2012-02-22 17:43               ` H. Peter Anvin
2012-02-22 17:45               ` H. Peter Anvin
2012-02-22 18:16                 ` Linus Torvalds
2012-02-22 18:19                   ` Linus Torvalds
2012-02-22 18:20                   ` H. Peter Anvin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F498EFF.6040309@zytor.com \
    --to=hpa@zytor.com \
    --cc=autofs@vger.kernel.org \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=raven@themaw.net \
    --cc=schwab@linux-m68k.org \
    --cc=thomas@m3y3r.de \
    --cc=torvalds@linux-foundation.org \
    --cc=viro@zeniv.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.