From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49019) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TJib0-0002qD-8j for qemu-devel@nongnu.org; Thu, 04 Oct 2012 06:23:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TJiat-0002fR-3d for qemu-devel@nongnu.org; Thu, 04 Oct 2012 06:23:58 -0400 Received: from isrv.corpit.ru ([86.62.121.231]:33470) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TJias-0002ej-SQ for qemu-devel@nongnu.org; Thu, 04 Oct 2012 06:23:51 -0400 Message-ID: <506D63AC.20304@msgid.tls.msk.ru> Date: Thu, 04 Oct 2012 14:23:40 +0400 From: Michael Tokarev MIME-Version: 1.0 References: <1349345262-27234-1-git-send-email-avi@redhat.com> In-Reply-To: <1349345262-27234-1-git-send-email-avi@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] Make target_phys_addr_t 64 bits unconditionally List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Blue Swirl , qemu-devel@nongnu.org On 04.10.2012 14:07, Avi Kivity wrote: > The hassle and compile time overhead of maintaining both 32-bit and 64-bit > capable source isn't worth the tiny performance advantage which is seen on > a minority of configurations. Switch to compiling libhw only once, with > target_phys_addr_t unconditionally typedefed to uint64_t. Isn't it the real difference between qemu-system-i386 and qemu-system-x86_64, and why -i386 is quite a bit faster in TCG mode than -x86-64, as has been noted by Jan? Just.. asking :) Thanks, /mjt