From patchwork Wed Jun 22 15:49:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Zhongjin X-Patchwork-Id: 12891078 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 37014C433EF for ; Wed, 22 Jun 2022 16:03:07 +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=maIDUpFKm3+jFsc34Ei84uNykOuxAlvDvR665/gJSSs=; b=IcT3psG+sY3GPN kNec/YL6mC18oOx+zaCUd5gAgwsTYpUJDKaVRjmsfqzUic9/q3L9XIvmGMHTPdB+4UHwglDOejEmR 8PkBYL87cB9g7K07idxFBn0E83exuwt8JChz8/x0WglSgm+/sJ4jzgvQkH/gkuwuC3JdgEuhg9Roc a4SemJRMOdtgMVAHYBkQDj45kJCKfmtthLd2YMRWqiclwVUl6xIqLydY+Q/jz/DJpj2ElYn+r7wh3 saOMVPvKpSFQGQ74xt0tlwE+gMH7/Bdog5DqHDDr8xHX6grtNiDFh2BbQcwsoRwAKuT9iGEwJUiyV BcoEdRhRk+3i4zwncRSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o42nb-00BLFd-Hy; Wed, 22 Jun 2022 16:01:48 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o42f7-00BHn5-EP for linux-arm-kernel@lists.infradead.org; Wed, 22 Jun 2022 15:53:06 +0000 Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LSnt21Mv0zkWPy; Wed, 22 Jun 2022 23:51:06 +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; Wed, 22 Jun 2022 23:52:47 +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 29/33] arm64: compat: Move VDSO code to .rodata section Date: Wed, 22 Jun 2022 23:49:16 +0800 Message-ID: <20220622154920.95075-30-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_085301_761191_0FA47D07 X-CRM114-Status: UNSURE ( 7.59 ) 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 VDSO code should be inside .rodata. Now code in kuser32.S and sigreturn32.S are inside .text section and never executed. Move them to .rodata. Signed-off-by: Chen Zhongjin --- arch/arm64/kernel/kuser32.S | 1 + arch/arm64/kernel/sigreturn32.S | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm64/kernel/kuser32.S b/arch/arm64/kernel/kuser32.S index 42bd8c0c60e0..692e9d2e31e5 100644 --- a/arch/arm64/kernel/kuser32.S +++ b/arch/arm64/kernel/kuser32.S @@ -15,6 +15,7 @@ #include + .section .rodata .align 5 .globl __kuser_helper_start __kuser_helper_start: diff --git a/arch/arm64/kernel/sigreturn32.S b/arch/arm64/kernel/sigreturn32.S index 475d30d471ac..ccbd4aab4ba4 100644 --- a/arch/arm64/kernel/sigreturn32.S +++ b/arch/arm64/kernel/sigreturn32.S @@ -15,6 +15,7 @@ #include + .section .rodata .globl __aarch32_sigret_code_start __aarch32_sigret_code_start: