From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49415) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUFAD-0000hN-I4 for qemu-devel@nongnu.org; Tue, 25 Aug 2015 10:25:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZUFAA-0006Y1-DE for qemu-devel@nongnu.org; Tue, 25 Aug 2015 10:25:25 -0400 Received: from mail-qk0-x230.google.com ([2607:f8b0:400d:c09::230]:35694) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZUFAA-0006Xr-9r for qemu-devel@nongnu.org; Tue, 25 Aug 2015 10:25:22 -0400 Received: by qkbm65 with SMTP id m65so100845284qkb.2 for ; Tue, 25 Aug 2015 07:25:21 -0700 (PDT) Sender: Richard Henderson References: <1440476386-7365-1-git-send-email-rth@twiddle.net> <55DC00F7.5010100@gmx.net> From: Richard Henderson Message-ID: <55DC7ACE.702@twiddle.net> Date: Tue, 25 Aug 2015 07:25:18 -0700 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] target-sparc: Store mmu index in TB flags List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Artyom Tarasenko , Dennis Luehring Cc: Mark Cave-Ayland , qemu-devel , Aurelien Jarno On 08/24/2015 11:44 PM, Artyom Tarasenko wrote: > This is very surprising: the patch should have no effect on a sun4u machine. Er, no, it should. The primary vector by which I expect improvement is via not encoding dmmu.mmu_primary_context into the TB flags. I.e. ASI_DMMU, which sun4u certainly uses. The fact that the patch _also_ fixes a sun4v problem is secondary. r~