From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44701) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eb1Zm-0000v5-EL for qemu-devel@nongnu.org; Mon, 15 Jan 2018 05:01:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eb1Zg-00064S-Pw for qemu-devel@nongnu.org; Mon, 15 Jan 2018 05:01:10 -0500 Received: from mail-ot0-x229.google.com ([2607:f8b0:4003:c0f::229]:39433) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eb1Zg-00064B-KT for qemu-devel@nongnu.org; Mon, 15 Jan 2018 05:01:04 -0500 Received: by mail-ot0-x229.google.com with SMTP id 37so10163833otv.6 for ; Mon, 15 Jan 2018 02:01:04 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <20171218173022.18418-1-richard.henderson@linaro.org> <20171218173022.18418-9-richard.henderson@linaro.org> From: Peter Maydell Date: Mon, 15 Jan 2018 10:00:43 +0000 Message-ID: Content-Type: text/plain; charset="UTF-8" Subject: Re: [Qemu-devel] [PATCH 8/9] target/arm: Add ZCR.LEN to tb->flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: QEMU Developers , qemu-arm On 12 January 2018 at 18:49, Peter Maydell wrote: > For purposes of not having to mess with migration state too frequently, > I think this patch should define zcr_el[4] (and add that to the > migration subsection for 'has SVE'). I realized over the weekend that this suggestion isn't right -- ZCR_ELx are sysregs accessible via the usual msr/mrs, so they'll be migrated via the sysreg migration mechanism, not with explicit fields in the migration structs. So I think we're OK to leave this as TODO for the moment. thanks -- PMM