From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E751CC3DA6F for ; Thu, 24 Aug 2023 23:22:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244086AbjHXXWd (ORCPT ); Thu, 24 Aug 2023 19:22:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244046AbjHXXWA (ORCPT ); Thu, 24 Aug 2023 19:22:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3E67A1 for ; Thu, 24 Aug 2023 16:21:58 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 92BC362D48 for ; Thu, 24 Aug 2023 23:21:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC641C433C8; Thu, 24 Aug 2023 23:21:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1692919318; bh=BuGSGav+zvVqOKyFa+SPps2fy2dds+/j2dnVKYJzt/U=; h=Date:To:From:Subject:From; b=PAsKLaE5Vt4f0CajkqUlyizgcH/KDjc6q47ZevXNlO6Q075VoOvWOKmFm3wPxaHlX Sh2WLf9xSNxS/oODDQ4wprTJkA5EFKmb9JA7mlB4MDyTBoFjrh01YlkDNNxpPdktMn Yo6oZE+CTtwSV/K3f6Wcf3L9QMHOu/cl8x7Vynis= Date: Thu, 24 Aug 2023 16:21:57 -0700 To: mm-commits@vger.kernel.org, will@kernel.org, wangkefeng.wang@huawei.com, pasha.tatashin@soleen.com, muchun.song@linux.dev, catalin.marinas@arm.com, zhengqi.arch@bytedance.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] arm64-mm-use-ptep_clear-instead-of-pte_clear-in-clear_flush.patch removed from -mm tree Message-Id: <20230824232157.EC641C433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: arm64: mm: use ptep_clear() instead of pte_clear() in clear_flush() has been removed from the -mm tree. Its filename was arm64-mm-use-ptep_clear-instead-of-pte_clear-in-clear_flush.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Qi Zheng Subject: arm64: mm: use ptep_clear() instead of pte_clear() in clear_flush() Date: Thu, 10 Aug 2023 09:32:41 +0000 In clear_flush(), the original pte may be a present entry, so we should use ptep_clear() to let page_table_check track the pte clearing operation, otherwise it may cause false positive in subsequent set_pte_at(). Link: https://lkml.kernel.org/r/20230810093241.1181142-1-qi.zheng@linux.dev Fixes: 42b2547137f5 ("arm64/mm: enable ARCH_SUPPORTS_PAGE_TABLE_CHECK") Signed-off-by: Qi Zheng Acked-by: Will Deacon Cc: Catalin Marinas Cc: Kefeng Wang Cc: Muchun Song Cc: Pasha Tatashin Cc: Qi Zheng Signed-off-by: Andrew Morton --- arch/arm64/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm64/mm/hugetlbpage.c~arm64-mm-use-ptep_clear-instead-of-pte_clear-in-clear_flush +++ a/arch/arm64/mm/hugetlbpage.c @@ -236,7 +236,7 @@ static void clear_flush(struct mm_struct unsigned long i, saddr = addr; for (i = 0; i < ncontig; i++, addr += pgsize, ptep++) - pte_clear(mm, addr, ptep); + ptep_clear(mm, addr, ptep); flush_tlb_range(&vma, saddr, addr); } _ Patches currently in -mm which might be from zhengqi.arch@bytedance.com are