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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1DE4EC2B9F4 for ; Mon, 14 Jun 2021 13:34:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E830461153 for ; Mon, 14 Jun 2021 13:34:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234035AbhFNNgZ (ORCPT ); Mon, 14 Jun 2021 09:36:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234003AbhFNNgX (ORCPT ); Mon, 14 Jun 2021 09:36:23 -0400 Received: from mail-yb1-xb32.google.com (mail-yb1-xb32.google.com [IPv6:2607:f8b0:4864:20::b32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27947C061574; Mon, 14 Jun 2021 06:34:07 -0700 (PDT) Received: by mail-yb1-xb32.google.com with SMTP id i4so15502603ybe.2; Mon, 14 Jun 2021 06:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fITfy3FoCscSzBKzsabed+L5goCIl2g/5fdsym0oiY4=; b=MhW8P6lVLC6p+sZK1oYqz6bb8+6FLaELyTFUYsF4bjZU3eQnYpCiMlhCpAcG8NRRcy CZcIifOsGderqM9MYJO1yxZJTQcfy43sC79EhFugkaZPxm8pUKeb3/mraNpqR7CirnbI GiOB0sP6df12h8M3WAxu+z4SanqoLAEQktHeaTXLuYkMwYO85pgchisFIO8Hbtz1SbGc fIg4jL7F7D6FwQiqYMPVvflIY7GnDapBpUQiWp8Pj1b6/2JGAtk2LcqvYXsSkxhsi+m8 coz0jPd83rTTwims4dlptk1iUHWQwFeM7L+Xo3iwxw9WDFzsLmeKyw/mL6DjDxpEc6f1 tF2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fITfy3FoCscSzBKzsabed+L5goCIl2g/5fdsym0oiY4=; b=Sv9oz4RygrJpAmXr0Q/0A8mmF8cfYd0KFXLFQg3mCqMZA4PmpDnFnlBFGAOjKIGP+1 z59lrKDJ16bMnf7CaaOdp1u+i98r46ijVuZMVVyb4Aq+yU7sdre8rsfTNNVVKwG3ap+N K9Y9W+FaoZA2ROOfHlf9R39qFqmIE31Wd9GjCoiV/c3XJMHHvq+h3Tp6dNwgIxqW/eUf 0CEiMwPDbGHedHDchbs3OLDG4u/WhaxQ4DsRXNg4H5n4GitahW5kQzrp6vX00+bNpRHm KCJIfgwpQT3vx9AKqcecq46YCvSoEN1Hq2GAyczOZ6m9wC6HRhxy+kA+J2vFn0JviZ8q n3vw== X-Gm-Message-State: AOAM532qtouzsGDW5R6o8YwgrWi1nu5AlECbmcKQRF7zp+mjADZTOyI/ SJ3cTPWZ7T37QVXntqR6EiF0t71Jrx+RF3upSoY= X-Google-Smtp-Source: ABdhPJzylP/+U5d/VxskGMW//vGfCikjF9dkGLIxiDlPbjg6s6SPPEZY32Gk5rbGsiS4HIDDCDXM9d+uuBvguiVMSX0= X-Received: by 2002:a25:be09:: with SMTP id h9mr25605058ybk.239.1623677646410; Mon, 14 Jun 2021 06:34:06 -0700 (PDT) MIME-Version: 1.0 References: <20210612160422.330705-1-anup.patel@wdc.com> <20210612160422.330705-2-anup.patel@wdc.com> In-Reply-To: <20210612160422.330705-2-anup.patel@wdc.com> From: Bin Meng Date: Mon, 14 Jun 2021 21:33:53 +0800 Message-ID: Subject: Re: [RFC PATCH v1 01/10] RISC-V: Clear SIP bit only when using SBI IPI operations To: Anup Patel Cc: Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Marc Zyngier , Daniel Lezcano , Rob Herring , Atish Patra , Alistair Francis , Anup Patel , linux-riscv , linux-kernel , devicetree Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Sun, Jun 13, 2021 at 12:07 AM Anup Patel wrote: > > The software interrupt pending (i.e. [M|S]SIP) bit is writeable for > S-mode but readonly for M-mode so we clear this bit only when using nits: read-only > SBI IPI operations. > > Signed-off-by: Anup Patel > --- > arch/riscv/kernel/sbi.c | 8 +++++++- > arch/riscv/kernel/smp.c | 2 -- > 2 files changed, 7 insertions(+), 3 deletions(-) > Otherwise, Reviewed-by: Bin Meng