From patchwork Wed Jun 22 15:49:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Zhongjin X-Patchwork-Id: 12891114 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 764B1C43334 for ; Wed, 22 Jun 2022 16:13:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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=o6VmW+tnRlCIt5CO9ZWMAbVOUJa6dzQsdl73Ke2jaXU=; b=wfcWeRMYsm3JNU ZxiADfay48FphesH8IPkr4n7jGvWrcoNOW0D4PxVrgeahCcKEGzklD2Pxlt0XLZcH2PtuxAoFfoLN IZ2e17v8ApH+FxeYkFerVo17rqxDKdiyh8oiAIVjYvUvFA+of7zqSkSjtVQmpGCndLK2DoR1QFbop ZREel0Lev6sR0sX0DNE99i4XdZJ+ZDlbzvBP5zfnyo20SCQ3mxrzYty8ByMWmorTQcB6+RsWxARq0 H9PAn6cqH/vg3BY2dKWh+w2m9H8OIuRKdtKqZ2UmwFWo8fjXDukXrksB2ykELCA4TB9urdvGpUBWC W7BhvvIGbUvhJjZzREOw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o42y8-00BPu0-Mo; Wed, 22 Jun 2022 16:12:40 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o42ff-00BI4I-Bv for linux-arm-kernel@bombadil.infradead.org; Wed, 22 Jun 2022 15:53:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=szLVUCufP7IPmbvERwdfCpXqM7YUKPrnDb5zY4kGNPk=; b=iJlDi601bRsWjfrY/Ekn6mRROG 5qcFgiPgUweTWRnoUnlKZNT4rHBf4VsVH+5sOwNs2jr8WbO7Z/fxot5agD3s52j0/idJwg0Htot+k ZPIS1hlXRv3xo5pNkyQ1uOluDDLVsUk5gaVNewS57yCTnC7oHzZIlY4T47+yJTWCBHW0QMKA/iUXh djAvTS/6OkTzapPkdjgdF6GTGeuLUI19oE8lE68uckcP6VnvwOYoFBqW2NqT6WCRlGy5bAAsTDadD YFyNH7Zh3W7/oy6KS54ZjmBUUN/nCHsqoyzs0uhPmhWFGPrtu0lOq4J+ysvkBWB9Yg37gmi4m3GE9 aYAv76Dg==; Received: from szxga01-in.huawei.com ([45.249.212.187]) by casper.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o42fa-0077UU-M6 for linux-arm-kernel@lists.infradead.org; Wed, 22 Jun 2022 15:53:34 +0000 Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4LSnsX20h7zhYch; Wed, 22 Jun 2022 23:50:40 +0800 (CST) Received: from dggpemm500013.china.huawei.com (7.185.36.172) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 22 Jun 2022 23:52:48 +0800 Received: from ubuntu1804.huawei.com (10.67.175.36) by dggpemm500013.china.huawei.com (7.185.36.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 22 Jun 2022 23:52:47 +0800 From: Chen Zhongjin To: , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v5 31/33] arm64: kernel: Skip validation of proton-pack.c Date: Wed, 22 Jun 2022 23:49:18 +0800 Message-ID: <20220622154920.95075-32-chenzhongjin@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220622154920.95075-1-chenzhongjin@huawei.com> References: <20220622154920.95075-1-chenzhongjin@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.175.36] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500013.china.huawei.com (7.185.36.172) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220622_165331_358758_5B5E68F9 X-CRM114-Status: UNSURE ( 7.91 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org qcom_link_stack_sanitisation() repeatly calls itself, but we can't mark the asm code as intra-call so it should be marked as non_standard. Signed-off-by: Julien Thierry Signed-off-by: Chen Zhongjin --- arch/arm64/kernel/proton-pack.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c index 40be3a7c2c53..9439e62d4b57 100644 --- a/arch/arm64/kernel/proton-pack.c +++ b/arch/arm64/kernel/proton-pack.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -257,6 +258,7 @@ static noinstr void qcom_link_stack_sanitisation(void) "mov x30, %0 \n" : "=&r" (tmp)); } +STACK_FRAME_NON_STANDARD(qcom_link_stack_sanitisation); static bp_hardening_cb_t spectre_v2_get_sw_mitigation_cb(void) {