From patchwork Tue Nov 9 02:34:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 12609515 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 8769DC433EF for ; Tue, 9 Nov 2021 02:34:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3029D61208 for ; Tue, 9 Nov 2021 02:34:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3029D61208 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id C85866B00B4; Mon, 8 Nov 2021 21:34:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C351F6B00D2; Mon, 8 Nov 2021 21:34:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B4B2C6B00D4; Mon, 8 Nov 2021 21:34:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0054.hostedemail.com [216.40.44.54]) by kanga.kvack.org (Postfix) with ESMTP id A74C96B00B4 for ; Mon, 8 Nov 2021 21:34:19 -0500 (EST) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 64826183D71FF for ; Tue, 9 Nov 2021 02:34:19 +0000 (UTC) X-FDA: 78787822680.01.32F281F Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf16.hostedemail.com (Postfix) with ESMTP id B83C2F000ADB for ; Tue, 9 Nov 2021 02:34:09 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 9C68061207; Tue, 9 Nov 2021 02:34:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636425258; bh=Ol75myJoQIMTJ1CQI9PJex/o2KR9JSSFBggF3hSgA2k=; h=Date:From:To:Subject:In-Reply-To:From; b=Fed1NXJlJGQRpYqQeeatwqQaifGzdcOmS+34UGP5Uxax3pbYiQ76IM5V8G45qWvcP 4BHtF8KnxoNatuY2Je4YY9w8TWN7o3+bmaFc/3rA1HICOn2RvtJi0q3TppUl7bJwNu pQ9o2KQOdyG8qhX+hnlANcSOqCD50W+fVznXfywI= Date: Mon, 08 Nov 2021 18:34:17 -0800 From: Andrew Morton To: akpm@linux-foundation.org, andreyknvl@gmail.com, arnd@arndb.de, ast@kernel.org, benh@kernel.crashing.org, bp@alien8.de, christophe.leroy@csgroup.eu, davem@davemloft.net, dvyukov@google.com, glider@google.com, ink@jurassic.park.msu.ru, linux-mm@kvack.org, mattst88@gmail.com, michal.simek@xilinx.com, mingo@redhat.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, paulus@samba.org, pmladek@suse.com, rostedt@goodmis.org, rth@twiddle.net, ryabinin.a.a@gmail.com, senozhatsky@chromium.org, tglx@linutronix.de, torvalds@linux-foundation.org, wangkefeng.wang@huawei.com Subject: [patch 53/87] microblaze: use is_kernel_text() helper Message-ID: <20211109023417.YF6VSG3i_%akpm@linux-foundation.org> In-Reply-To: <20211108183057.809e428e841088b657a975ec@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: B83C2F000ADB X-Stat-Signature: s67nkgyi6usqxyeq7d7kzcuioky9e6dh Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Fed1NXJl; spf=pass (imf16.hostedemail.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-HE-Tag: 1636425249-326064 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Kefeng Wang Subject: microblaze: use is_kernel_text() helper Use is_kernel_text() helper to simplify code. Link: https://lkml.kernel.org/r/20210930071143.63410-11-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang Acked-by: Michal Simek Reviewed-by: Sergey Senozhatsky Cc: Alexander Potapenko Cc: Alexei Starovoitov Cc: Andrey Konovalov Cc: Andrey Ryabinin Cc: Arnd Bergmann Cc: Benjamin Herrenschmidt Cc: Borislav Petkov Cc: Christophe Leroy Cc: "David S. Miller" Cc: Dmitry Vyukov Cc: Ingo Molnar Cc: Ivan Kokshaysky Cc: Matt Turner Cc: Michael Ellerman Cc: Paul Mackerras Cc: Petr Mladek Cc: Richard Henderson Cc: Steven Rostedt Cc: Thomas Gleixner Signed-off-by: Andrew Morton --- arch/microblaze/mm/pgtable.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/arch/microblaze/mm/pgtable.c~microblaze-use-is_kernel_text-helper +++ a/arch/microblaze/mm/pgtable.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -171,7 +172,7 @@ void __init mapin_ram(void) for (s = 0; s < lowmem_size; s += PAGE_SIZE) { f = _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_SHARED | _PAGE_HWEXEC; - if ((char *) v < _stext || (char *) v >= _etext) + if (!is_kernel_text(v)) f |= _PAGE_WRENABLE; else /* On the MicroBlaze, no user access