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=-10.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,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 D7C69C4338F for ; Tue, 24 Aug 2021 06:39:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 80D86611CB for ; Tue, 24 Aug 2021 06:39:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 80D86611CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:46492 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIQ5k-0004hX-Nq for qemu-devel@archiver.kernel.org; Tue, 24 Aug 2021 02:39:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50956) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIQ4P-00036o-9E; Tue, 24 Aug 2021 02:38:02 -0400 Received: from mail-yb1-xb31.google.com ([2607:f8b0:4864:20::b31]:39888) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mIQ4N-0002Zm-8o; Tue, 24 Aug 2021 02:38:01 -0400 Received: by mail-yb1-xb31.google.com with SMTP id n126so25618311ybf.6; Mon, 23 Aug 2021 23:37:58 -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=ObVFOuAZqO9ZGm+HgSONHYjDI8zzKYHk3yOk/QKWwzk=; b=Otf0sUS+tj1Ivd5QF6YKI+bzXom31nWXuwfKbVxzRCwvxiXOPl6a2yJwXYwRAsk0ZR 9Cu00BJj/EL71ktSZKKg9UX7uqd+VOl4NiueUqCCxDKGFpINui5KcHaG/jrJEFDV6xzX WWjEiz4hMykDtXZo6vOzroTikuiGjxotqf87cIezcj9HJYoWqxooRB82nLYXiCkhueBm Z2DJGDKhF75o6LxmCEGL1V4AGElokhG3LV83iu5AKLjqAfzh7f3K7qPlrSrV5VWs6Wg1 CpSSC5urj0RByYMtr1vlXl/A7YEBU96ZW1e+CS88GGWbSR41PCSjDT3pk0FrK0EItkqW qbkw== 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=ObVFOuAZqO9ZGm+HgSONHYjDI8zzKYHk3yOk/QKWwzk=; b=blEIOhqmvaIJNW19TvRhZT0FAoES//5D+iwjT+KyT1JQWqb2HaSGfT/DFmtxDRoToF FIyk17H7sxJ5kD+I0OmwNYG5VURXrDAxjL3lxWrxPKpvq7c+lQgosTBmRPbGZfMQW4uh Bh0k5mPTuQL/PeiMUgqgkK8t5nnV4gfvJ23HLlrGzEmn+hxIFJCx/AgkwI8a9av6cheX KUbSWc9SeXA/3mr3yW7xu9H06XHWmczcbsTeZwoOGNPJXLrLHZu1tNdz2QUX/eG5mt1F 2rCxyKTZcXdED+ZLJcGSDAP/N4LYIwwQ5PBOEEGvDEHolAe5vpcKxf0AG4fDevFfbodq GmfQ== X-Gm-Message-State: AOAM532voRLLKOJEgJz+exSJoN7DO1VhcqfxH7jPfn3T9Fcla9CYonGS DOAsDjwmLejfQiMs8oKhLTcccNC7mpsKsUxr7q4= X-Google-Smtp-Source: ABdhPJyD1wPDTLVW1hE6P/xHRck9sqNPso4x58c67HqD6rxeESag1LKPL2UladS5JDIsyk3ypdDxTwAUVuNQsAzcqyk= X-Received: by 2002:a25:ac87:: with SMTP id x7mr8504983ybi.332.1629787077370; Mon, 23 Aug 2021 23:37:57 -0700 (PDT) MIME-Version: 1.0 References: <20210823195529.560295-1-richard.henderson@linaro.org> <20210823195529.560295-17-richard.henderson@linaro.org> In-Reply-To: <20210823195529.560295-17-richard.henderson@linaro.org> From: Bin Meng Date: Tue, 24 Aug 2021 14:37:46 +0800 Message-ID: Subject: Re: [PATCH v5 16/24] target/riscv: Fix rmw_sip, rmw_vsip, rmw_hsip vs write-only operation To: Richard Henderson Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::b31; envelope-from=bmeng.cn@gmail.com; helo=mail-yb1-xb31.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "open list:RISC-V" , Bin Meng , Alistair Francis , "qemu-devel@nongnu.org Developers" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Aug 24, 2021 at 4:02 AM Richard Henderson wrote: > > We distinguish write-only by passing ret_value as NULL. > > Signed-off-by: Richard Henderson > --- > target/riscv/csr.c | 23 +++++++++++++++-------- > 1 file changed, 15 insertions(+), 8 deletions(-) > Reviewed-by: Bin Meng