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
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