From owner-cvs-all@FreeBSD.ORG Tue Aug 3 19:13:13 2004 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E324A16A4CE; Tue, 3 Aug 2004 19:13:13 +0000 (GMT) Received: from ns1.xcllnt.net (209-128-86-226.bayarea.net [209.128.86.226]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6BC8843D1F; Tue, 3 Aug 2004 19:13:13 +0000 (GMT) (envelope-from marcel@xcllnt.net) Received: from ns1.xcllnt.net (localhost [127.0.0.1]) by ns1.xcllnt.net (8.12.11/8.12.11) with ESMTP id i73JDDRK099665; Tue, 3 Aug 2004 12:13:13 -0700 (PDT) (envelope-from marcel@ns1.xcllnt.net) Received: (from marcel@localhost) by ns1.xcllnt.net (8.12.11/8.12.11/Submit) id i73JDDPo099664; Tue, 3 Aug 2004 12:13:13 -0700 (PDT) (envelope-from marcel) Date: Tue, 3 Aug 2004 12:13:13 -0700 From: Marcel Moolenaar To: Maxime Henrion Message-ID: <20040803191313.GB99599@ns1.xcllnt.net> References: <200408031844.i73IiRb4082245@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200408031844.i73IiRb4082245@repoman.freebsd.org> User-Agent: Mutt/1.5.5.1i cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/include cpu.h src/sys/amd64/include cpu.h src/sys/arm/include cpu.h src/sys/i386/include cpu.h src/sys/ia64/include cpu.h src/sys/powerpc/include cpu.h src/sys/sparc64/include cpu.h src/sys/kern kern_mutex.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Aug 2004 19:13:14 -0000 On Tue, Aug 03, 2004 at 06:44:27PM +0000, Maxime Henrion wrote: > mux 2004-08-03 18:44:27 UTC > > FreeBSD src repository > > Modified files: > sys/alpha/include cpu.h > sys/amd64/include cpu.h > sys/arm/include cpu.h > sys/i386/include cpu.h > sys/ia64/include cpu.h > sys/powerpc/include cpu.h > sys/sparc64/include cpu.h > sys/kern kern_mutex.c > Log: > Instead of calling ia32_pause() conditionally on __i386__ or __amd64__ > being defined, define and use a new MD macro, cpu_spinwait(). It only > expands to something on i386 and amd64, so the compiled code should be > identical. Cool, but can you explain to me how exactly cpu_spinwait() is to be different from cpu_idle() that we cannot use cpu_idle()? -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net