From: Andrew Morton <akpm@linux-foundation.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Roland Dreier <rdreier@cisco.com>, Ingo Molnar <mingo@elte.hu>,
Ian Campbell <ian.campbell@citrix.com>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
Helge Deller <deller@gmx.de>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-parisc <linux-parisc@vger.kernel.org>,
Linux Kernel Development <linux-kernel@vger.kernel.org>,
Kyle McMartin <kyle@mcmartin.ca>,
Randolph Chung <randolph@tausq.org>,
Sam Ravnborg <sam@ravnborg.org>,
John David Anglin <dave@hiauly1.hia.nrc.ca>
Subject: Re: [PATCH] parisc: fix module loading failure of large kernel modules (take 4)
Date: Wed, 31 Dec 2008 10:54:25 -0800 [thread overview]
Message-ID: <20081231105425.9ccac21d.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0812310942110.5086@localhost.localdomain>
On Wed, 31 Dec 2008 09:47:19 -0800 (PST) Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
> > (I just notice this because I saw the warning about swiotlb_alloc_boot()
> > not being __init but calling __alloc_bootmem_low and so I looked at the
> > code yesterday)
>
> Lucky us. What's nasty about this is that most developers probably have
> updated versions of gcc, and are then surprised when some odd user has
> insane behavior that doesn't match the source code - because the compiler
> did something unexpected.
Adrian claimed that it was gcc-4.1.0 and 4.1.1 only. He proposed
banning them: http://lkml.org/lkml/2008/8/5/444
> I guess I could make a sparse rule for this, but nobody seems to run or
> care about sparse anyway. Sad.
No, there are some people who regularly run sparse and fix stuff. Pending
things here include:
y:/usr/src/25> grep sparse series
input-ads7846c-sparse-lock-annotation.patch
hugetlb-fix-sparse-warnings.patch
lib-fix-sparse-shadowed-variable-warning.patch
lib-proportionsc-trivial-sparse-lock-annotation.patch
nvidia-fix-sparse-warnings.patch
viafb-fix-sparse-warnings.patch
pm3fb-fix-sparse-warning.patch
neofb-fix-sparse-warnings.patch
i810-fix-sparse-warnings.patch
intelfb-fix-sparse-warnings.patch
Which is a good way for it to be used.
next prev parent reply other threads:[~2008-12-31 18:54 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-29 20:34 [PATCH] parisc: fix module loading failure of large kernel modules (take 2) Helge Deller
2008-12-29 20:34 ` Helge Deller
2008-12-29 20:43 ` [PATCH 1/2] module.c: fix module loading failure of large " Helge Deller
2008-12-29 20:43 ` Helge Deller
[not found] ` <20081230180724.GA15235@bombadil.infradead.org>
2008-12-30 18:10 ` Kyle McMartin
2008-12-30 18:18 ` Helge Deller
2008-12-30 19:42 ` [PATCH 1/2] module.c: fix module loading failure of large modules (take 3) Helge Deller
2008-12-29 20:45 ` [PATCH 2/2] parisc: fix module loading failure of large modules (take 2) Helge Deller
2008-12-29 20:45 ` Helge Deller
2008-12-30 19:55 ` [PATCH 2/2] parisc: fix module loading failure of large modules (take 3) Helge Deller
2008-12-30 19:55 ` Helge Deller
2008-12-30 22:45 ` [PATCH] parisc: fix module loading failure of large kernel modules (take 2) Rusty Russell
2008-12-30 23:02 ` Helge Deller
2008-12-31 4:08 ` Rusty Russell
2008-12-31 11:31 ` [PATCH] parisc: fix module loading failure of large kernel modules (take 4) Helge Deller
2008-12-31 11:36 ` [PATCH 2/2] parisc: fix module loading failure of large modules Helge Deller
2008-12-31 13:32 ` [PATCH] parisc: fix module loading failure of large kernel modules (take 4) Rusty Russell
2008-12-31 14:13 ` Helge Deller
2009-01-01 0:52 ` Rusty Russell
2009-01-01 12:02 ` Helge Deller
2008-12-31 17:29 ` Linus Torvalds
2008-12-31 17:36 ` Roland Dreier
2008-12-31 17:47 ` Linus Torvalds
2008-12-31 18:02 ` Linus Torvalds
2008-12-31 18:11 ` Sam Ravnborg
2009-01-02 11:31 ` Ingo Molnar
2008-12-31 18:54 ` Andrew Morton [this message]
2008-12-31 21:22 ` Linus Torvalds
2008-12-31 22:14 ` David Miller
2009-01-02 11:55 ` [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1 Ingo Molnar
2009-01-02 13:43 ` Bartlomiej Zolnierkiewicz
2009-01-02 15:21 ` [PATCH] kbuild: Remove gcc 4.1.0 quirk from init/main.c Ingo Molnar
2009-01-02 15:21 ` Ingo Molnar
2009-01-02 18:05 ` Sam Ravnborg
2009-01-02 16:49 ` [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1 Linus Torvalds
2009-01-02 17:38 ` Linus Torvalds
2009-01-02 17:46 ` Ingo Molnar
2009-01-02 17:54 ` [PATCH] Disallow gcc versions 3.{0,1} Ingo Molnar
2009-01-02 17:58 ` [PATCH] kbuild: Disallow GCC 4.1.0 / 4.1.1 Linus Torvalds
2009-01-02 18:01 ` Ingo Molnar
2009-01-02 18:05 ` Linus Torvalds
2009-01-02 18:08 ` Linus Torvalds
2009-01-02 19:54 ` Willy Tarreau
2009-01-02 20:18 ` Linus Torvalds
2009-01-02 17:57 ` Sam Ravnborg
2009-01-02 18:04 ` Linus Torvalds
2009-01-02 18:27 ` Sam Ravnborg
2009-01-02 18:28 ` Randy Dunlap
2009-01-02 18:51 ` Al Viro
2009-01-02 19:14 ` Andi Kleen
2009-01-02 22:52 ` Al Viro
2009-01-03 14:03 ` Krzysztof Halasa
2009-01-02 18:22 ` Ingo Molnar
2009-01-02 18:29 ` Sam Ravnborg
2009-01-02 18:33 ` Ingo Molnar
2009-01-02 19:05 ` Detlef Riekenberg
2009-01-02 22:27 ` Benjamin Herrenschmidt
2009-01-02 22:37 ` Sam Ravnborg
2009-01-02 17:44 ` Ingo Molnar
2009-01-01 14:24 ` [PATCH] parisc: fix module loading failure of large kernel modules (take 4) Ingo Molnar
2009-01-01 16:37 ` Andrew Morton
2008-12-31 17:39 ` Helge Deller
2008-12-31 18:24 ` James Bottomley
2008-12-31 22:16 ` Rusty Russell
2009-01-01 7:12 ` Jeremy Fitzhardinge
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