From: Denis Vlasenko <vda@ilport.com.ua>
To: Adrian Bunk <bunk@stusta.de>, Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [-mm patch] i386: enable REGPARM by default
Date: Sat, 25 Jun 2005 10:46:22 +0300 [thread overview]
Message-ID: <200506251046.22944.vda@ilport.com.ua> (raw)
In-Reply-To: <20050624200916.GJ6656@stusta.de>
On Friday 24 June 2005 23:09, Adrian Bunk wrote:
> This patch should _not_ go into Linus' tree.
>
> At some time in the future, we want to unconditionally enable REGPARM on
> i386.
>
> Let's give it a bit broader testing coverage among -mm users.
>
> This patch:
> - removes the dependency of REGPARM on EXPERIMENTAL
> - let REGPARM default to y
>
> This patch assumes that people who use -mm are willing to test some more
> experimental features.
>
> After this patch, REGPARM is still a config option users can disable.
>
> Signed-off-by: Adrian Bunk <bunk@stusta.de>
Jens Axboe had hit an obscure bug with regparm just yesterday.
It happened for him with gcc 3.3.5.
I have a preprocessed .c file which allows to reporduce this.
For me, gcc 3.3.6 is okay. need to build 3.3.5 and test.
Meanwhile, maybe we shall prohibit regparm if gcc <=3.3.6 or 3.4?
--
vda
next prev parent reply other threads:[~2005-06-25 7:46 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-24 20:09 Adrian Bunk
2005-06-24 20:28 ` Andrew Morton
2005-06-24 23:08 ` [Fastboot] " Alexander Nyberg
2005-06-27 13:29 ` Vivek Goyal
2005-06-27 14:00 ` Daniel Jacobowitz
2005-06-28 4:51 ` Vivek Goyal
2005-06-28 11:24 ` Vivek Goyal
2005-06-28 19:59 ` Mark Kettenis
2005-06-29 8:34 ` Vivek Goyal
2005-06-29 10:06 ` Mark Kettenis
2005-06-29 11:47 ` Vivek Goyal
2005-06-25 7:46 ` Denis Vlasenko [this message]
2005-06-28 12:16 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2005-05-30 0:28 Adrian Bunk
2005-05-15 11:57 Adrian Bunk
2005-05-15 12:22 ` Andi Kleen
2005-05-15 12:37 ` Adrian Bunk
2005-05-15 13:00 ` Andi Kleen
2005-05-15 13:12 ` Arjan van de Ven
2005-05-15 13:16 ` Adrian Bunk
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