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From: Arnd Bergmann <arnd@arndb.de>
Subject: Re: missing syscalls
Date: Mon, 2 Apr 2007 01:12:54 +0200
References: <20070401160123.GA9178@uranus.ravnborg.org> <20070401200947.GB826@parisc-linux.org> <20070401201929.GB10652@uranus.ravnborg.org>
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To: Sam Ravnborg <sam@ravnborg.org>
Cc: Matthew Wilcox <matthew@wil.cx>, David Miller <davem@davemloft.net>, rmk@arm.linux.org.uk, linux-arch@vger.kernel.org
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On Sunday 01 April 2007 22:19:29 Sam Ravnborg wrote:
> +#define __NR_getcpu             /* 318 - not relevant */
> +#define __NR_epoll_pwait        /* 319 - not relevant */

This looks like it is potentially harmful, since it breaks
user space code that does things like

int my_getcpy(void)
{
#ifdef __NR_getcpu
	return syscall(__NR_getcpu);
#endif
	return -1;
}

	Arnd <><