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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n17-20020a170903405100b001b51c68c828si493075pla.211.2023.06.21.04.32.33; Wed, 21 Jun 2023 04:32:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@xry111.site header.s=default header.b=ObMpenS8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=xry111.site Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232695AbjFULTb (ORCPT + 99 others); Wed, 21 Jun 2023 07:19:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232623AbjFULTO (ORCPT ); Wed, 21 Jun 2023 07:19:14 -0400 Received: from xry111.site (xry111.site [89.208.246.23]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 306F4E57 for ; Wed, 21 Jun 2023 04:18:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1687346306; bh=Zr1EsiFqQQrgEXNsiy7QsP3O4tH+/+f4e9VPHaDXlec=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=ObMpenS8QgIlZfjBkRE0dpK/IKJh3t85RRXiRxE2O2rTrcMjt2iGt9iySVM+z7v41 mMrrcshMNjchAbT0/I3k/IdSZdwepGQt3FU3Gc5tHa5nlaMKMKAiDFTX2EdQUKBs3s vPBhRhRMGTHpXlW4KBhSI9lSe1BdLBmiVND/kJEY= Received: from localhost.localdomain (xry111.site [IPv6:2001:470:683e::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 0028366341; Wed, 21 Jun 2023 07:18:25 -0400 (EDT) Message-ID: Subject: Re: A question about prefetchw detection in "x86/asm: Cleanup prefetch primitives" From: Xi Ruoyao To: Borislav Petkov Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner Date: Wed, 21 Jun 2023 19:18:24 +0800 In-Reply-To: <20230621111346.GFZJLbavDw1JiLi34n@fat_crate.local> References: <0b663d8f6802e8dbf443397718234bcb6d0811c8.camel@xry111.site> <20230621111346.GFZJLbavDw1JiLi34n@fat_crate.local> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.3 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2023-06-21 at 13:13 +0200, Borislav Petkov wrote: > On Wed, Jun 21, 2023 at 06:57:40PM +0800, Xi Ruoyao wrote: > > I intend to implement the same logic for Glibc.=C2=A0 I can understand = "3DNow > > implies PREFETCHW", but is there a bibliographical reference about "LM > > implies PREFETCHW" so I can convince the Glibc maintainers for the > > change? >=20 > https://www.amd.com/system/files/TechDocs/24594.pdf Thanks very much! --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University