From nobody Wed Apr 16 08:10:50 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1613049882; cv=none; d=zohomail.com; s=zohoarc; b=SVXiRXYJ6pyswnuTkXQcqu4YAIc1stvIhBktBfDNnpU63XY58a+GnISIS6gN9n6ZKHHi0efyXgc1a6Fdoim9YXQk59gDRRmYOiE+i44n+yUD78LbZjcv/0ljwuSClhMHuzdjYA5Xco5vkxiRNGvA7G0oYjZHxVFByDyXqKDHX3k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1613049882; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=k24l6V2v0PKg+s2YVxBs6b556yq59N9tvuPY0mxSPMk=; b=d8sjn58S30NKhHRV5lDT6ezcnUH4kNKZH6Scs5/f1MRGAT+hf8rNVcHCprPgicCpisKHKBykrbZz1SJ4ZFRDKiOJjEXJ2H0SmhLAiaEnvFs/StALcDatVpC0Uyy/B6hZit/Q1pe/ZBnsWI6ubGzks3A5hRlrPhM/zNInA/mfGSg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16130498817495.21124265707806; Thu, 11 Feb 2021 05:24:41 -0800 (PST) Received: from localhost ([::1]:51642 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lABxY-0004dD-Ka for importer@patchew.org; Thu, 11 Feb 2021 08:24:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lABYz-000873-EC for qemu-devel@nongnu.org; Thu, 11 Feb 2021 07:59:17 -0500 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]:37276) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lABYx-0008RQ-SW for qemu-devel@nongnu.org; Thu, 11 Feb 2021 07:59:17 -0500 Received: by mail-wm1-x331.google.com with SMTP id m1so5642960wml.2 for ; Thu, 11 Feb 2021 04:59:15 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id g15sm4955716wrx.1.2021.02.11.04.59.14 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 04:59:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=k24l6V2v0PKg+s2YVxBs6b556yq59N9tvuPY0mxSPMk=; b=ylKsB2WKERWij7lfxJhhp9Gr1hQF8/30glw9WlHf9t0t1eLd7J61JUZJBIH60Ny696 UlnVmOsfCYbOZFbEbCnyCk2HE+wqaWP0eJoGYlDg/VXdeh9w3IKfvu8OkzQry2R85EFk Gcxp3RKZkrb4GJXe3oGkrHF7cMlnPjndQb3VDKArw2f/96fbZ+u9b7apivKAhOieygqX oakRIFGCO6FTSFzuR5R4o8s4l+p3Rs9vSKAtfQk8VPvyujxOAzelNm1qZ1MBVvWPfZXv h5E5ztElCbhOtvuBZvvYdDWl1kufG4bBgBQu77/5dtWavN1afhsCA4j/QbAwqsqQ04d1 hh9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=k24l6V2v0PKg+s2YVxBs6b556yq59N9tvuPY0mxSPMk=; b=hVEvU+n8KV84oc7h1gfqlCQH9ODt9r2C2nW3HsbIOtFYj0Qu/tvRI0f/x7S1pV76Sd 9d5Ljku4QGTWIS+2jS52rjyFt+o/1O3prTohwJ2HbE9M8onw7fOkJkk0KGnJTaawPdMb 4WD4sHVCF6s7qW7il6xNMY2btSVWEeowx8ppCd/Ch8cVtYA/hcWJvIGKepzCDjYCRlaX XxJcKWikYz2Q42oRRDnOkw/jxJ4L9oitgNCSzBvJNOMtBJPZ1m4lmKA536/RiL01Eonu JY1ap0WlXEdYY2yWA6nuyN1zKRMyTr8nAGNLTxbDM6sHXft+FxzhH10zA7XFo1Lxn9i/ vsuA== X-Gm-Message-State: AOAM532npIvpyG5SmD2CNeUlDON1DkVoQ3y26lQUocjQD3NZnL8/BHjK Olg3Om1sZzbxyU4ED4qAFb73lf9nze0E5Q== X-Google-Smtp-Source: ABdhPJxMczFN1d8qrvR+zOSNFIiy1FyRmv3OtKiy5VVWd8HwE7xiexQ5pt/41+aqOOylBqIHiXhmPQ== X-Received: by 2002:a1c:7312:: with SMTP id d18mr5023438wmb.155.1613048354606; Thu, 11 Feb 2021 04:59:14 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 16/45] linux-user: Tidy VERIFY_READ/VERIFY_WRITE Date: Thu, 11 Feb 2021 12:58:31 +0000 Message-Id: <20210211125900.22777-17-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210211125900.22777-1-peter.maydell@linaro.org> References: <20210211125900.22777-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x331.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, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" From: Richard Henderson These constants are only ever used with access_ok, and friends. Rather than translating them to PAGE_* bits, let them equal the PAGE_* bits to begin. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20210210000223.884088-8-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- linux-user/qemu.h | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/linux-user/qemu.h b/linux-user/qemu.h index 441ba6a78bb..9251337daf2 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -488,8 +488,8 @@ extern unsigned long guest_stack_size; =20 /* user access */ =20 -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 /* implies read access */ +#define VERIFY_READ PAGE_READ +#define VERIFY_WRITE (PAGE_READ | PAGE_WRITE) =20 static inline bool access_ok(int type, abi_ulong addr, abi_ulong size) { @@ -501,9 +501,7 @@ static inline bool access_ok(int type, abi_ulong addr, = abi_ulong size) !guest_addr_valid(addr + size - 1))) { return false; } - return page_check_range((target_ulong)addr, size, - (type =3D=3D VERIFY_READ) ? PAGE_READ : - (PAGE_READ | PAGE_WRITE)) =3D=3D 0; + return page_check_range((target_ulong)addr, size, type) =3D=3D 0; } =20 /* NOTE __get_user and __put_user use host pointers and don't check access. --=20 2.20.1