From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Stable Kernel Team <stable@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Adrian Bunk <bunk@stusta.de>
Subject: Re: [BUG] __copy_to_user_inatomic broken on non Pentium machines
Date: Sun, 25 Mar 2007 20:30:10 +0200 [thread overview]
Message-ID: <20070325183010.GA12676@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.64.0703251039170.6730@woody.linux-foundation.org>
* Linus Torvalds <torvalds@linux-foundation.org> wrote:
> On Sun, 25 Mar 2007, Thomas Gleixner wrote:
> >
> > Environment: Pre Pentium systems, (boot_cpu_data.wp_works_ok == 0)
>
> This shouldn't be "pre-pentium", afaik. WP-works-ok on i486 too. I
> think only the original i386 had this bug ("feature").
>
> But I agree, it does seem to be broken on such machines (I assume you
> don't actually have one, but just tested by forcing it by hand ;)
actually, AFAIK this is a genuine i386 box Thomas has (an embedded
board). Our hardware legacies and the resulting dependencies _really_
stick around for quite long time :-/
Ingo
next prev parent reply other threads:[~2007-03-25 18:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-25 8:07 [BUG] __copy_to_user_inatomic broken on non Pentium machines Thomas Gleixner
2007-03-25 18:14 ` Linus Torvalds
2007-03-25 18:30 ` Ingo Molnar [this message]
2007-03-25 19:41 ` Thomas Gleixner
2007-04-02 12:25 ` [PATCH] i386: fix file_read_actor() and pipe_read() for original i386 systems Thomas Gleixner
2007-04-02 12:34 ` Ingo Molnar
2007-04-13 23:06 ` Adrian Bunk
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=20070325183010.GA12676@elte.hu \
--to=mingo@elte.hu \
--cc=akpm@linux-foundation.org \
--cc=bunk@stusta.de \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@kernel.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/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.