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=-8.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 2245BC433B4 for ; Sat, 17 Apr 2021 13:20:59 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 D190C611AC for ; Sat, 17 Apr 2021 13:20:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D190C611AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References:Message-ID:Date: Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NkuPhw/2N6oj2P18oByFptl1D11L2RF+h1MAftiu9Xc=; b=mmv70XKOpJpTVNBhYDoe+WMgP Kmg99NM0SaCK62zS5oGb7xMwIfidRqp/KGDmJYhbsMoB88bkQrIl6ZE8TBzAe6mBXsoBkwqXKBumX TmAOCqDhIXB8tbbTlTPWVpcoOixNBtpmrotfLJmlxpmgspGHmeR1M8LCmpsCzjllPRWYIVQJK5Dct /sm8qFuMGMaWgKOTnTYcQXXxTPEqni0GKvOkwZFH0rCGT5F3v7zK8JKx2vrxcUF3X3c6YXOuv5dZq A2wTJHvk8GgOEHIcn13J8H5A+IkpC/O7q6G75lXvn5fGnF9dUk/5SNChkwGxXHk91J0DlvoiyNcS0 7HLan8LyA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lXkqy-005P4b-Fk; Sat, 17 Apr 2021 13:19:16 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lXkqw-005P4G-44 for linux-arm-kernel@desiato.infradead.org; Sat, 17 Apr 2021 13:19:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:MIME-Version:In-Reply-To:References:Message-ID:Date:Subject:CC: To:From:Sender:Reply-To:Content-ID:Content-Description; bh=BdlUg8emhR2cHYlcYHN5UWPKhYGnber9CPCfHBrbHTI=; b=pbBge555GxXNNDN/3M17H63/Ll hs23kEuTbEPz06nKUb7nKMkf5Vly3m3nHmA1upSYqtQtp6WC3vBnmiPWoKXEkqUPXtblgeBNTS+1e KQKuen37Vnmz1SKWOoU/os5JANE9LMCs5JFs/1EY66AMJRNG8SsweYOsZCUDRpzASmnFgKpfv+Ran UeJN/oe+qUo3Mmqk5mx/1lRLS2QhCreqfNVncfRVZl7um0zUxpXoA/kd3tuYtcMzgqwZLEbZY35Of TxY5IUEQcnvWsUubKO3XRQ35ZRfgUAcqIflUlrifz3boX/R/T0LXj4NjXCEjEmRKyPwpKsvgR9M4z wnyH9J3A==; Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lXkqp-00A2oD-8I for linux-arm-kernel@lists.infradead.org; Sat, 17 Apr 2021 13:19:11 +0000 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-64-ukSddvvgMNiXwlfphh9iPw-1; Sat, 17 Apr 2021 14:19:03 +0100 X-MC-Unique: ukSddvvgMNiXwlfphh9iPw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 17 Apr 2021 14:19:02 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.015; Sat, 17 Apr 2021 14:19:02 +0100 From: David Laight To: 'Mark Rutland' , Catalin Marinas , "will@kernel.org" CC: He Zhe , "oleg@redhat.com" , "linux-arm-kernel@lists.infradead.org" , "paul@paul-moore.com" , "eparis@redhat.com" , "linux-audit@redhat.com" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH 1/3] arm64: ptrace: Add is_syscall_success to handle compat Thread-Topic: [PATCH 1/3] arm64: ptrace: Add is_syscall_success to handle compat Thread-Index: AQHXMsVKs7ekp24ri06bsZbID/QU96q4sqsA Date: Sat, 17 Apr 2021 13:19:02 +0000 Message-ID: References: <20210416075533.7720-1-zhe.he@windriver.com> <20210416123322.GA23184@arm.com> <20210416133431.GA2303@C02TD0UTHF1T.local> In-Reply-To: <20210416133431.GA2303@C02TD0UTHF1T.local> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210417_061907_587176_EE7938E8 X-CRM114-Status: UNSURE ( 5.45 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mark Rutland > Sent: 16 April 2021 14:35 .. > @@ -51,13 +48,7 @@ static inline void syscall_set_return_value(struct task_struct *task, > struct pt_regs *regs, > int error, long val) > { > - if (error) > - val = error; > - > - if (is_compat_thread(task_thread_info(task))) > - val = lower_32_bits(val); > - > - regs->regs[0] = val; > + regs->regs[0] = (long) error ? error : val; = error ? (long)error : rval; David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel