linux-kernel - Re: [PATCH RFC] Update kernel math-emu code from current glibc soft-fp

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Message-Id: <20150220.115257.256613837.kkojima@rr.iij4u.or.jp>
Date:	Fri, 20 Feb 2015 11:52:57 +0900 (JST)
From:	Kaz Kojima <kkojima@...iij4u.or.jp>
To:	joseph@...esourcery.com
Cc:	linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
	linux-sh@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH RFC] Update kernel math-emu code from current glibc
 soft-fp

Joseph Myers <joseph@...esourcery.com> wrote:
> Please try this patch on top of the previous one.  The way abort is 
> redefined in the kernel code doesn't work for one place using it in an 
> expression; this patch changes a comma expression to a statement 
> expression.  This didn't appear in my powerpc testing because the powerpc 
> emulation never uses FP_FROM_INT; I'm not sure how Kaz's sh testing 
> avoided the problem appearing there.

My bad.  It turned out that I've configured the kernel wrongly and
CONFIG_SH_FPU_EMU isn't enabled.  With the proper configuration,
the build got the similar error with sparc64 during compiling
arch/sh/math.c and your patch for op-common.h fixes it.

Regards,
	kaz
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