From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE0D4C19759 for ; Thu, 1 Aug 2019 10:03:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 43BC9214DA for ; Thu, 1 Aug 2019 10:03:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="VIduQ7/K" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729947AbfHAKDo (ORCPT ); Thu, 1 Aug 2019 06:03:44 -0400 Received: from mail.skyhub.de ([5.9.137.197]:47690 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbfHAKDn (ORCPT ); Thu, 1 Aug 2019 06:03:43 -0400 Received: from nazgul.tnic (x2f7f685.dyn.telefonica.de [2.247.246.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 6027A1EC0586; Thu, 1 Aug 2019 12:03:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1564653822; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KenONt+LZuRArBYuertEu7WnAg7BfqumlnaXUqEWSzQ=; b=VIduQ7/KJfQqW/zKCqE/MyPAepf+cu1BCvQDM0NbMezVQMCF8vdHe7sKbW/VYiuumLjolH fh+1r0KTAL8g2dl+IRBemgjTJZKwJpZyzVTl644qQ87gd6Rczd6i2tR+hPuJ1+cBd7ccEV uotdt9evBKqpKvhwBppymCPAUCV933Y= Date: Thu, 1 Aug 2019 12:03:41 +0200 From: Borislav Petkov To: "Kirill A. Shutemov" Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, "Luck, Tony" , "Lin, Jing" , "Kumar, Sanjay K" , linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: Re: [PATCH] x86/asm: Add support for MOVDIR64B instruction Message-ID: <20190801095928.GA32138@nazgul.tnic> References: <20190730230554.8291-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190730230554.8291-1-kirill.shutemov@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 31, 2019 at 02:05:54AM +0300, Kirill A. Shutemov wrote: > Add support for a new instruction MOVDIR64B. The instruction moves > 64-bytes as direct-store with 64-byte write atomicity from source memory > address to destination memory address. > > MOVDIR64B requires the destination address to be 64-byte aligned. No > alignment restriction is enforced for source operand. > > See Intel Software Developer’s Manual for more information on the > instruction. > > Signed-off-by: Kirill A. Shutemov > --- > > Several upcoming patchsets will make use of the helper. ... so why aren't you sending it together with its first user? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --