From: Rusty Russell <rusty@rustcorp.com.au>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Important per-cpu fix.
Date: Mon, 9 Sep 2002 18:06:19 +1000 [thread overview]
Message-ID: <20020909180619.7934b455.rusty@rustcorp.com.au> (raw)
In-Reply-To: <al43it$mel$1@cesium.transmeta.com>
On 3 Sep 2002 21:52:45 -0700
"H. Peter Anvin" <hpa@zytor.com> wrote:
> Followup to: <20020904042036.816A62C1B6@lists.samba.org>
> By author: Rusty Russell <rusty@rustcorp.com.au>
> In newsgroup: linux.dev.kernel
> >
> > In message <20020903.195455.117344683.davem@redhat.com> you write:
> > > From: Rusty Russell <rusty@rustcorp.com.au>
> > > Date: Wed, 04 Sep 2002 12:35:41 +1000
> > >
> > > This might explain the wierd per-cpu problem reports from Andrew and
> > > Dave, and also that nagging feeling that I'm an idiot...
> > >
> > > Verifying... no without the explicit initializers the per-cpu stuff
> > > still ends up in the BSS with egcs-2.9X, even with your fix applied.
> >
> > OK. I really hate working around wierd toolchain bugs (I use 2.95.4
> > here and it's fine), and adding an initializer to the macro is ugly.
>
> gcc puts all uninitialized variables in .bss, and it apparently can't
> be overridden. This seems to be a side effect of the way gcc handles
> common variables.
Err... no, as I said, it doesn't happen with 2.95.4 or 3.0.4.
Rusty.
--
there are those who do and those who hang on and you don't see too
many doers quoting their contemporaries. -- Larry McVoy
next prev parent reply other threads:[~2002-09-09 8:13 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-04 2:35 [PATCH] Important per-cpu fix Rusty Russell
2002-09-04 2:54 ` David S. Miller
2002-09-04 4:04 ` Rusty Russell
2002-09-04 4:52 ` H. Peter Anvin
2002-09-09 8:06 ` Rusty Russell [this message]
2002-09-09 8:16 ` David S. Miller
2002-09-04 5:05 ` David S. Miller
2002-09-04 5:17 ` Linus Torvalds
2002-09-04 5:12 ` David S. Miller
2002-09-04 6:00 ` Rusty Russell
2002-09-04 6:06 ` David S. Miller
2002-09-04 6:19 ` David S. Miller
2002-09-04 7:38 ` Rusty Russell
2002-09-06 9:57 ` Pavel Machek
2002-09-09 3:45 ` Rusty Russell
2002-09-09 6:13 ` David S. Miller
2002-09-09 8:17 ` Rusty Russell
2002-09-09 8:15 ` David S. Miller
2002-09-09 20:58 ` Alan Cox
2002-09-09 21:06 ` Andrew Morton
2002-09-10 9:41 ` Rusty Russell
2002-09-04 15:44 ` Thunder from the hill
2002-09-04 23:18 ` David S. Miller
2002-09-04 2:56 ` Andrew Morton
2002-09-04 2:46 ` William Lee Irwin III
2002-09-04 3:42 ` William Lee Irwin III
-- strict thread matches above, loose matches on Subject: below --
2002-09-05 9:10 Dipankar Sarma
2002-09-05 9:09 ` William Lee Irwin III
2002-09-05 19:08 ` Dipankar Sarma
2002-09-05 19:11 ` William Lee Irwin III
2002-09-09 12:17 Matthew Wilcox
2002-09-09 23:24 ` Rusty Russell
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