From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36454) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYAsT-0004WE-QC for qemu-devel@nongnu.org; Wed, 27 Jun 2018 09:52:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYAsP-00071J-Ut for qemu-devel@nongnu.org; Wed, 27 Jun 2018 09:52:57 -0400 Received: from mail-pl0-x244.google.com ([2607:f8b0:400e:c01::244]:35694) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fYAsP-00070I-Gn for qemu-devel@nongnu.org; Wed, 27 Jun 2018 09:52:53 -0400 Received: by mail-pl0-x244.google.com with SMTP id k1-v6so1079606plt.2 for ; Wed, 27 Jun 2018 06:52:53 -0700 (PDT) References: <20180626161921.27941-1-richard.henderson@linaro.org> <20180626161921.27941-2-richard.henderson@linaro.org> <20180627090917.GI14434@umbus.fritz.box> From: Richard Henderson Message-ID: <75d315ee-dd6e-e68d-68c1-ed30508dabab@linaro.org> Date: Wed, 27 Jun 2018 06:52:49 -0700 MIME-Version: 1.0 In-Reply-To: <20180627090917.GI14434@umbus.fritz.box> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH 01/13] target/ppc: Add do_unaligned_access hook List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: David Gibson Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org On 06/27/2018 02:09 AM, David Gibson wrote: > On Tue, Jun 26, 2018 at 09:19:09AM -0700, Richard Henderson wrote: >> This allows faults from MO_ALIGN to have the same effect >> as from gen_check_align. >> >> Signed-off-by: Richard Henderson > > So, most powerpc cpus can handle most unaligned accesses without an > exception. I'm assuming this series won't preclude that? Correct. This hook will only fire when using MO_ALIGN to request an alignment check. r~