From patchwork Thu Sep 30 07:11:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 12527489 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90B58C4321E for ; Thu, 30 Sep 2021 07:09:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75EA761884 for ; Thu, 30 Sep 2021 07:09:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348609AbhI3HLR (ORCPT ); Thu, 30 Sep 2021 03:11:17 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:24159 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348531AbhI3HLF (ORCPT ); Thu, 30 Sep 2021 03:11:05 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4HKkpn0f1qz1DHQ8; Thu, 30 Sep 2021 15:08:01 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Thu, 30 Sep 2021 15:09:21 +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; Thu, 30 Sep 2021 15:09:20 +0800 From: Kefeng Wang To: , , , , , , , , , CC: , , , , , Christophe Leroy , Kefeng Wang Subject: [PATCH v4 09/11] powerpc/mm: Use core_kernel_text() helper Date: Thu, 30 Sep 2021 15:11:41 +0800 Message-ID: <20210930071143.63410-10-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210930071143.63410-1-wangkefeng.wang@huawei.com> References: <20210930071143.63410-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Use core_kernel_text() helper to simplify code, also drop etext, _stext, _sinittext, _einittext declaration which already declared in section.h. Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Christophe Leroy Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Kefeng Wang --- arch/powerpc/mm/pgtable_32.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index dcf5ecca19d9..079abbf45a33 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -33,8 +33,6 @@ #include -extern char etext[], _stext[], _sinittext[], _einittext[]; - static u8 early_fixmap_pagetable[FIXMAP_PTE_SIZE] __page_aligned_data; notrace void __init early_ioremap_init(void) @@ -104,14 +102,13 @@ static void __init __mapin_ram_chunk(unsigned long offset, unsigned long top) { unsigned long v, s; phys_addr_t p; - int ktext; + bool ktext; s = offset; v = PAGE_OFFSET + s; p = memstart_addr + s; for (; s < top; s += PAGE_SIZE) { - ktext = ((char *)v >= _stext && (char *)v < etext) || - ((char *)v >= _sinittext && (char *)v < _einittext); + ktext = core_kernel_text(v); map_kernel_page(v, p, ktext ? PAGE_KERNEL_TEXT : PAGE_KERNEL); v += PAGE_SIZE; p += PAGE_SIZE;