linux-kernel - Re: [PATCH] m68k: Merge mmu and non-mmu versions of sys_call

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Date:	Thu, 5 May 2011 22:39:16 +0200
From:	Mikael Pettersson <mikpe@...uu.se>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Linux/m68k <linux-m68k@...r.kernel.org>,
	Greg Ungerer <gerg@...inux.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	uClinux list <uclinux-dev@...inux.org>
Subject: Re: [PATCH] m68k: Merge mmu and non-mmu versions of sys_call_table

Geert Uytterhoeven writes:
 > On Thu, 5 May 2011, Arnd Bergmann wrote:
 > > Did you check the macros in unistd to see if they match the
 > > actual table? I guess it would be a good time to comment out
 > > the ones that are not implemented in either of the two ABIs.
 > 
 > Like this?
 > 
 > warning: #warning syscall pselect6 not implemented
 > warning: #warning syscall ppoll not implemented
 > warning: #warning syscall recvmmsg not implemented
 > 
 > Do we need pselect6 and ppoll? I have vague memories not requiring it.

They close user-space race conditions, so you want them.
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