linux-kernel - Re: Drop IPC_OLD for direct ipc syscalls?

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Message-ID: <87pp1dv0i1.fsf@igel.home>
Date:	Sun, 20 Sep 2015 12:38:46 +0200
From:	Andreas Schwab <schwab@...ux-m68k.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Greg Ungerer <gerg@...inux.org>,
	"Linux\/m68k" <linux-m68k@...r.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andy Lutomirski <luto@...capital.net>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: Drop IPC_OLD for direct ipc syscalls?

Geert Uytterhoeven <geert@...ux-m68k.org> writes:

> Should I postpone wiring up the direct ipc syscalls on m68k (and thus renumber
> __NR_membarrier) until the above is resolved, or can they go in in v4.3?

If you wire up the direct ipc calls know you create an ABI that is
harder to get rid of.

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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