From patchwork Thu Jun 23 01:49:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Zhongjin X-Patchwork-Id: 12891679 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 A5DD7C43334 for ; Thu, 23 Jun 2022 02:02:40 +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=EpDkvfN3ixpJa4NTgvCNhgN1cQS4jtsDcTTotxHj1zg=; b=TxVP42QclbV/O8 O+V/20z1vniQJ1SFCesCTrdFsr3RvcLovVGpJ7fWdeSqz8lOuTJ0CtBnlStSux/2XgYqdyf2XWmlB 6Zr4hpQtH6HUDqKf2c1MdMUt805rrqk7wCMNHv059h3v8sm6CEx+6VHyR3jjoorMnBKy1zj15/xQi DqZinmZ2aGafFIM/IlRWEzE398mW0m7YE8W3FimZdfLZGOBdBwsbtoqwhN+vudzOGYDy02tx/C9Pc ZuHwQnWaP93EOG8oqW5HX4OLnvxqSycdutajuyyQ6koOQfdULuTL68Gn83X1lBXGOCGWLjH3xAIY3 2WFkpZbR0tLPOcvQqtlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4C9l-00CoZg-AS; Thu, 23 Jun 2022 02:01:17 +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 1o4C0v-00CkCx-Ei for linux-arm-kernel@bombadil.infradead.org; Thu, 23 Jun 2022 01:52:09 +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=6tszJH3nBL93YtGgpRPCszJvN/xy3S7QExWy5ct1llU=; b=tMAhTIaCtsUdwvuqYE8OskgzKR CJY70zkNWb0ATmjfb6GvfPJ26b9g/+4eBJKUxgxZ6InfPqWyavjvXfLzh2uKTHLSV793FMfVHoi8i bY2PYYWyt4DVVfPRE1uyHbhKDaAp27roHUXNqALvBgbDwbLsGIWXvhIAuSigu0D4HgJCpWeXCA7Eg 6R2bEtSOu16fBUWoAcjjLgxV//T7rT1trmKpN49qvMil/gkjoIuG9mpsfTU3Cj0ZGSfPkXDjmNmXC fIcBP/otVCmc9LMeKt3ijBVje3legI6KqTJTDHgZQmIKDmiWEVnGx3lBHrs2c1CUhA7hT+0UEQHx/ wVZeMbWw==; Received: from szxga02-in.huawei.com ([45.249.212.188]) by casper.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4C0q-007V4w-00 for linux-arm-kernel@lists.infradead.org; Thu, 23 Jun 2022 01:52:08 +0000 Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LT39D5WX3zkWSh; Thu, 23 Jun 2022 09:50:08 +0800 (CST) Received: from dggpemm500013.china.huawei.com (7.185.36.172) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 23 Jun 2022 09:51:50 +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; Thu, 23 Jun 2022 09:51:50 +0800 From: Chen Zhongjin To: , , , , , CC: , , , , , , , , , , , , , , Subject: [PATCH v6 24/33] arm64: proc: Mark constant as data Date: Thu, 23 Jun 2022 09:49:08 +0800 Message-ID: <20220623014917.199563-25-chenzhongjin@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220623014917.199563-1-chenzhongjin@huawei.com> References: <20220623014917.199563-1-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-20220623_025204_452461_2C3D4E07 X-CRM114-Status: UNSURE ( 7.41 ) 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 Label __idmap_kpti_flag represents the location of a constant. Mark it as data symbol. Signed-off-by: Julien Thierry Signed-off-by: Chen Zhongjin Reviewed-by: Mark Brown --- arch/arm64/mm/proc.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 50bbed947bec..c34ea1778b1e 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -222,8 +222,8 @@ SYM_FUNC_END(idmap_cpu_replace_ttbr1) * * Called exactly once from stop_machine context by each CPU found during boot. */ -__idmap_kpti_flag: - .long 1 +SYM_DATA_LOCAL(__idmap_kpti_flag, .long 1) + SYM_FUNC_START(idmap_kpti_install_ng_mappings) cpu .req w0 num_cpus .req w1