From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: question regarding gnu-isms Date: 28 Apr 2006 07:09:36 +0200 Message-ID: References: <20060427223641.GG3572@vino.zko.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <20060427223641.GG3572@vino.zko.hp.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Aron Griffis Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Aron Griffis writes: > I understand most of the gcc extensions that I find in xen, for > example ({...}) in a #define. However I've come across a couple that > I'm not familiar with. Does somebody mind explaining the point of > these? > > from linux-2.6-xen-sparse/include/asm-ia64/hypervisor.h: > > #define __pte_ma(_x) ((pte_t) {(_x)}) This isn't a GNUism anymore, it's C99. -Andi