From patchwork Fri Mar 17 12:49:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "sundongxu (A)" X-Patchwork-Id: 71272 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:604a:0:0:0:0:0 with SMTP id j10csp319206wrt; Fri, 17 Mar 2023 05:50:29 -0700 (PDT) X-Google-Smtp-Source: AK7set/3Nc0sakt8icpmT02fCB69NPdzfnm2fiBv6IQYjOdzxk9oYxRxuGC2w1h9sChCBBCc346i X-Received: by 2002:a17:902:c94f:b0:19a:9269:7d1 with SMTP id i15-20020a170902c94f00b0019a926907d1mr7077132pla.4.1679057428943; Fri, 17 Mar 2023 05:50:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679057428; cv=none; d=google.com; s=arc-20160816; b=expZMqJimQ3xWfYjPvSMijY4Fb6kN5OCo/cF/LktzWce+3KyYYV4faXb4u+QoFUDuh FjCT1hywx0h8zYXEufjGF6IYoLzAPjwhCwKzIQ6Dju/NDzKp4sxf10IIlZaP9TITjh5u C6Ox8c3dJm+0oCRRDD/xhanRzWtRoznQxxj993zZ0RBVvj3KLkaJ35Y0iiAQFMZ/cipz gl21R0IstTrRTwXwJyMBtMAT7+7RUL1ex4DeQ4E1O7tZIYMYIU5ZWAjukI6WGL5U1Z8g q5i23ZyzCZ8HmvhTyzLKLJMvEbArjWE4tpnKdmeJF0gF5YcozT/W2fYKVNMcAC0cwgay lZcw== 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 :references:in-reply-to:message-id:date:subject:cc:to:from; bh=MzezVLlD+jLhiJPemLkLzX98E3BJ2kjFucXWGuviOhY=; b=SNeraJWWRmw3z3bzA5MFPsqxExpLTtDaEyZgIysxp6DRbDoGRoJJfaNiolIkzR4EdG ZJOWif2lcfQmCfVSXaxg/k43VQgH5kIbdPrmKDKSgwtF7KyYAhAPO7p00ju9YzuCqYRy 1W58uVl75nkj/6N3Acr2al81ndT6qr8G2V3czbAq47ruCieN8FeRteAdmXbzwGxj2D12 9ogZbHndK5mIquZTHKhQcDQ6gO6OebES/ZgtmHq1grr4DBN8sX7s/ZA8UcJAI2Ll/8Tl MlW3crdKaf272MdFJAGP2yc38jJXhv1kCNK5Qqn3IfgHxDXM2OEuO6e7eHQqD6Amo9zA ZsIQ== 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; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ju11-20020a170903428b00b0019b0fbb97e9si2278070plb.182.2023.03.17.05.50.12; Fri, 17 Mar 2023 05:50:28 -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; 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=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230346AbjCQMtr (ORCPT + 99 others); Fri, 17 Mar 2023 08:49:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230335AbjCQMtp (ORCPT ); Fri, 17 Mar 2023 08:49:45 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FD7F18A8C for ; Fri, 17 Mar 2023 05:49:42 -0700 (PDT) Received: from dggpeml500004.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4PdP8g5fndz9t6p; Fri, 17 Mar 2023 20:49:23 +0800 (CST) Received: from DESKTOP-EJM108K.china.huawei.com (10.174.186.25) by dggpeml500004.china.huawei.com (7.185.36.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 17 Mar 2023 20:49:40 +0800 From: Dongxu Sun To: , , CC: , , , Dongxu Sun Subject: [PATCH 1/4] arm64/signal: Use system_supports_tpidr2() to check TPIDR2 Date: Fri, 17 Mar 2023 20:49:12 +0800 Message-ID: <20230317124915.1263-2-sundongxu3@huawei.com> X-Mailer: git-send-email 2.33.0.windows.2 In-Reply-To: <20230317124915.1263-1-sundongxu3@huawei.com> References: <20230317124915.1263-1-sundongxu3@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.25] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500004.china.huawei.com (7.185.36.140) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760619322572975010?= X-GMAIL-MSGID: =?utf-8?q?1760619322572975010?= Since commit a9d6915859501("arm64/sme: Implement support for TPIDR2"), We introduced system_supports_tpidr2() for TPIDR2 handling. Let's use the specific check instead. No functional changes. Signed-off-by: Dongxu Sun Reviewed-by: Mark Brown --- arch/arm64/kernel/signal.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 06a02707f488..032e97f8cae0 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -651,7 +651,7 @@ static int parse_user_sigframe(struct user_ctxs *user, break; case TPIDR2_MAGIC: - if (!system_supports_sme()) + if (!system_supports_tpidr2()) goto invalid; if (user->tpidr2) @@ -802,7 +802,7 @@ static int restore_sigframe(struct pt_regs *regs, err = restore_fpsimd_context(&user); } - if (err == 0 && system_supports_sme() && user.tpidr2) + if (err == 0 && system_supports_tpidr2() && user.tpidr2) err = restore_tpidr2_context(&user); if (err == 0 && system_supports_sme() && user.za) @@ -974,7 +974,7 @@ static int setup_sigframe(struct rt_sigframe_user_layout *user, } /* TPIDR2 if supported */ - if (system_supports_sme() && err == 0) { + if (system_supports_tpidr2() && err == 0) { struct tpidr2_context __user *tpidr2_ctx = apply_user_offset(user, user->tpidr2_offset); err |= preserve_tpidr2_context(tpidr2_ctx);