Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp6392889pxb; Tue, 15 Feb 2022 01:11:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJw4bkemAMKStrYAfY2lHNfbvGSHdA0TxKhSP+s/+UAdaxPou1FzPruapigZEgNwCX35EJ1y X-Received: by 2002:a05:6402:4486:: with SMTP id er6mr595024edb.295.1644916304647; Tue, 15 Feb 2022 01:11:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644916304; cv=none; d=google.com; s=arc-20160816; b=CCiTwPcVf70I4NShQfPM8Cb7qsN4Cftp6k9ks9GrNt1gLeukRljCP0jlyj/XTWVrW2 VvWGVB6U2UaC4loi9/ZUOuGmMCzAO9HQJcMHH92CbCxTTQc91ZC19Pb5UgfJsc4eVpBq mdyHRndLyEXWxRHJuF7y+0hwDTIDTXT71GpgEawC5HLmWiYj+9EnEB2wHO81li1tMVa/ ro1RyCijgskfWRDcUmOc0wqpeAOvKsLwqRXxqtPAL5GizVmFm9ugNvRmiQtj5dickX13 6wFt/Bd4n6JnaqVu/y00eSCGiY9MydGu70jNCXajgEMCIyuCc0wE5myV0EsKu14JnzDG TAxg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version:date :message-id:subject:references:in-reply-to:cc:to:from; bh=jXEDcKK+MImZe1DijUpgckfmHPBOxZ0GapGv/ekyU8o=; b=c7rTp4+lbF+kWmfLfUvvGvCjKfMPGAqifDE6PamZ9SKvq2synrEJ90XTKXmdklQKWL gYNEDb4XX2hcd9udanrq1UB8/RL5YW4+lXiM05a15CIf/bvPnl0LqkX6+6+L4ONJkf5K dRwIsP6LvQdf5X6t8CPy9bzv7rE0HlUkt3eypftblXpAeL2VtGjXc0pfmGChG3jIf2r2 fzz+0+ZGG79NFMdYvK2Xj8wzjPU6qkOtkEo8QFvhmJZsRRuOsS8KzG8agnSKrAziTLmk G35Zkuh+ie9sWiAUtfBMTTUzJdi+mpqwJVnR7L98z7/LY6Brm7FProgiVrQEeSgY5+VB y1nQ== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id v3si16489079edc.280.2022.02.15.01.11.21; Tue, 15 Feb 2022 01:11:44 -0800 (PST) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234073AbiBOFac (ORCPT + 99 others); Tue, 15 Feb 2022 00:30:32 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:57858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234040AbiBOFa0 (ORCPT ); Tue, 15 Feb 2022 00:30:26 -0500 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09FD112859C for ; Mon, 14 Feb 2022 21:30:11 -0800 (PST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4JyV681Pdrz4xmx; Tue, 15 Feb 2022 16:30:08 +1100 (AEDT) From: Michael Ellerman To: Benjamin Herrenschmidt , Paul Mackerras , Christophe Leroy , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org In-Reply-To: References: Subject: Re: [PATCH] powerpc/32s: Make pte_update() non atomic on 603 core Message-Id: <164490280591.270256.978317263917716851.b4-ty@ellerman.id.au> Date: Tue, 15 Feb 2022 16:26:45 +1100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE 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 Sun, 30 Jan 2022 10:29:34 +0000, Christophe Leroy wrote: > On 603 core, TLB miss handler don't do any change to the > page tables so pte_update() doesn't need to be atomic. > > Applied to powerpc/next. [1/1] powerpc/32s: Make pte_update() non atomic on 603 core https://git.kernel.org/powerpc/c/4291d085b0b07a78403e845c187428b038c901cd cheers