From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53948) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e4vlx-0006gv-9h for qemu-devel@nongnu.org; Wed, 18 Oct 2017 17:21:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e4vlu-0008KO-4h for qemu-devel@nongnu.org; Wed, 18 Oct 2017 17:21:05 -0400 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:40539) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e4vlt-0008JW-T2 for qemu-devel@nongnu.org; Wed, 18 Oct 2017 17:21:02 -0400 Date: Wed, 18 Oct 2017 17:20:59 -0400 From: "Emilio G. Cota" Message-ID: <20171018212059.GA9118@flamenco> References: <20171017121714.24714-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171017121714.24714-1-pbonzini@redhat.com> Subject: Re: [Qemu-devel] [PATCH] watch_mem_write: implement 8-byte accesses List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org, Andrew.Baumann@microsoft.com, rth@twiddle.net On Tue, Oct 17, 2017 at 14:17:14 +0200, Paolo Bonzini wrote: > Aligned 8-byte memory writes by a 64-bit target on a 64-bit host should > always turn into atomic 8-byte writes on the host, however a write > write watchpoint would end up tearing the 8-byte write into two 4-byte s/write\nwrite/write/ > writes in access_with_adjusted_size(). > > Reported-by: Andrew Baumann > Signed-off-by: Paolo Bonzini Reviewed-by: Emilio G. Cota E.