linux-kernel - Re: 2.6.24-rc3-mm2 - Build Failure on powerpc timerfd() undeclared

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Message-Id: <200711290157.52487.arnd@arndb.de>
Date:	Thu, 29 Nov 2007 01:57:51 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linuxppc-dev@...abs.org,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Davide Libenzi <davidel@...ilserver.org>,
	Michael Kerrisk <mtk-manpages@....net>
Subject: Re: 2.6.24-rc3-mm2 - Build Failure on powerpc timerfd() undeclared

On Wednesday 28 November 2007 19:43:45 Andrew Morton wrote:
> > I guess all architectures except x86 are currently broken because they
> > reference the old sys_timerfd function.
>
> None of them were broken in my testing and I'm unsure why powerpc broke
> here.

PowerPC is unique in that it actually relies on the declarations
in include/{linux,asm}/syscalls.h to be present, because the
spu_syscall_table is generated from C code, not from assembly.
One reason why I did this was to be sure to find this exact
type of problem at compile-time, not at link time.

	Arnd <><
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