From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsdtL-0008Bo-H0 for qemu-devel@nongnu.org; Wed, 13 May 2015 17:08:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YsdtI-00053i-AM for qemu-devel@nongnu.org; Wed, 13 May 2015 17:08:35 -0400 Received: from mail-qk0-x22f.google.com ([2607:f8b0:400d:c09::22f]:36491) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsdtI-00053R-6B for qemu-devel@nongnu.org; Wed, 13 May 2015 17:08:32 -0400 Received: by qku63 with SMTP id 63so37412834qku.3 for ; Wed, 13 May 2015 14:08:32 -0700 (PDT) Sender: Richard Henderson Message-ID: <5553BD4C.3060305@twiddle.net> Date: Wed, 13 May 2015 14:08:28 -0700 From: Richard Henderson MIME-Version: 1.0 References: <1431544200-13371-1-git-send-email-rth@twiddle.net> <1431544200-13371-4-git-send-email-rth@twiddle.net> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 3/3] tcg: Add MO_ALIGN, MO_UNALN List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: Yongbok Kim , Leon Alrae , QEMU Developers > /* MO_UNALN accesses are never checked for alignment; MO_ALIGN > * accesses will result in a call to the CPU's do_unaligned_access > * hook if the guest address is not aligned. The default depends > * on whether the target CPU defines ALIGNED_ONLY. > */ Fair enough. > Are unaligned accesses always slow-path, by the way? Yes. r~