Message ID | 20210926072048.190336-9-wangkefeng.wang@huawei.com (mailing list archive) |
---|---|
State | Handled Elsewhere, archived |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee2:21ea; helo=gandalf.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=<UNKNOWN>) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee2:21ea]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4HHHHF44zgz9t1Q for <patchwork-incoming@bilbo.ozlabs.org>; Sun, 26 Sep 2021 17:20:41 +1000 (AEST) Received: by gandalf.ozlabs.org (Postfix) id 4HHHHF3G1Rz4xbQ; Sun, 26 Sep 2021 17:20:41 +1000 (AEST) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=<UNKNOWN>) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by gandalf.ozlabs.org (Postfix) with ESMTPS id 4HHHHF3BDtz4xZt for <patchwork-incoming@ozlabs.org>; Sun, 26 Sep 2021 17:20:41 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HHHHF2gKQz3ccL for <patchwork-incoming@ozlabs.org>; Sun, 26 Sep 2021 17:20:41 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com (client-ip=45.249.212.188; helo=szxga02-in.huawei.com; envelope-from=wangkefeng.wang@huawei.com; receiver=<UNKNOWN>) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HHHDW62Vfz2ymf for <linuxppc-dev@lists.ozlabs.org>; Sun, 26 Sep 2021 17:18:19 +1000 (AEST) Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HHH7T6xNhzRS0T; Sun, 26 Sep 2021 15:13:57 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Sun, 26 Sep 2021 15:18:12 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Sun, 26 Sep 2021 15:18:12 +0800 From: Kefeng Wang <wangkefeng.wang@huawei.com> To: <arnd@arndb.de>, <linux-arch@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>, <rostedt@goodmis.org>, <mingo@redhat.com>, <davem@davemloft.net>, <ast@kernel.org>, <ryabinin.a.a@gmail.com>, <akpm@linux-foundation.org> Subject: [PATCH v3 8/9] extable: Use is_kernel_text() helper Date: Sun, 26 Sep 2021 15:20:47 +0800 Message-ID: <20210926072048.190336-9-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210926072048.190336-1-wangkefeng.wang@huawei.com> References: <20210926072048.190336-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: bpf@vger.kernel.org, paulus@samba.org, Kefeng Wang <wangkefeng.wang@huawei.com> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
sections: Unify kernel sections range check and use
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expand
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Related | show |
diff --git a/kernel/extable.c b/kernel/extable.c index 98ca627ac5ef..0ba383d850ff 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -64,8 +64,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr) int notrace core_kernel_text(unsigned long addr) { - if (addr >= (unsigned long)_stext && - addr < (unsigned long)_etext) + if (is_kernel_text(addr)) return 1; if (system_state < SYSTEM_RUNNING &&
The core_kernel_text() should check the gate area, as it is part of kernel text range. Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- kernel/extable.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)