From: Brian Gerst <bgerst@didntduck.org>
To: Denis Zaitsev <zzz@anda.ru>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6.8.1/x86] The kernel is _always_ compiled with -msoft-float
Date: Tue, 14 Sep 2004 16:39:50 -0400 [thread overview]
Message-ID: <41475716.2020102@didntduck.org> (raw)
In-Reply-To: <20040915021418.A1621@natasha.ward.six>
Denis Zaitsev wrote:
> Why this kernel is always compiled with the FP emulation for x86?
> This is the line from the beginning of arch/i386/Makefile:
>
> CFLAGS += -pipe -msoft-float
>
> And it's hardcoded, it does not depend on CONFIG_MATH_EMULATION. So,
> is this just a typo or not?
To trap use of floating point in the kernel (not allowed). FPU
emulation is only for userspace.
--
Brian Gerst
next prev parent reply other threads:[~2004-09-14 20:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-14 20:14 [2.6.8.1/x86] The kernel is _always_ compiled with -msoft-float Denis Zaitsev
2004-09-14 19:36 ` Alan Cox
2004-09-14 20:39 ` Brian Gerst [this message]
2004-09-14 20:40 ` Arjan van de Ven
2004-09-14 20:45 ` Dave Jones
2004-09-14 20:48 ` Matt Mackall
2004-09-14 21:39 ` Denis Zaitsev
2004-09-15 15:35 ` Tonnerre
2004-09-15 15:51 ` Ian Campbell
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