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 X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79B36C48BE5 for ; Wed, 23 Jun 2021 14:00:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 232DB6023E for ; Wed, 23 Jun 2021 14:00:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 232DB6023E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0B3B96B0011; Wed, 23 Jun 2021 10:00:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 08B3C6B0036; Wed, 23 Jun 2021 10:00:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EBCBC6B006C; Wed, 23 Jun 2021 10:00:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0046.hostedemail.com [216.40.44.46]) by kanga.kvack.org (Postfix) with ESMTP id BDA9C6B0011 for ; Wed, 23 Jun 2021 10:00:41 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 10C6782499A8 for ; Wed, 23 Jun 2021 14:00:42 +0000 (UTC) X-FDA: 78285149124.06.F34E4CD Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf03.hostedemail.com (Postfix) with ESMTP id 9508EC041630 for ; Wed, 23 Jun 2021 14:00:41 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 2BDE0610C7; Wed, 23 Jun 2021 14:00:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624456840; bh=DWQrl2ZGMrRzWQH6OHfsw47jgYfoH2bZLoFaNEVct3c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uxBmqqmt3lQrw0OyDJEWyMAyUY7JmKId/uKXw2xtFK346PEtBGV2SJoC3Q8MkiDio DX7ouBSx4lx20RL7FRismgx3IpNgC0ryVUSrMkLIw0qjbsIPW8bAksf5cZ7ycjdZKu DB0N2RXo0muCmVx1OLBy4zQIG1CIDynqlaco6uQsRUGts6cOqc6Grqtwm0hKZM2LdB C/s/2vxRDkIUH2qPW/ElzqfEEbDuvW12fu5XXhQh4DS8GP+V5qj+RBto7J0+MOtlxI uEahCS8uBC6u/kQaRicuN0NuDJeltnFklA7LV/l4CObUlHXLzQWlZClMSVn6vkjm4S 0cNyE11jd0Xzw== From: Will Deacon To: Peter Zijlstra , aneesh.kumar@linux.ibm.com, Catalin Marinas , Marc Zyngier , steven.price@arm.com, Zhenyu Ye Cc: kernel-team@android.com, Will Deacon , liushixin2@huawei.com, Xiexiangyou , linux-arm-kernel@lists.infradead.org, huyaqin , linux-mm@kvack.org, linux-arch@vger.kernel.org, zhurui3@huawei.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1] arm64: tlb: fix the TTL value of tlb_get_level Date: Wed, 23 Jun 2021 15:00:18 +0100 Message-Id: <162444629282.759882.14655008602043376684.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=uxBmqqmt; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf03.hostedemail.com: domain of will@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=will@kernel.org X-Rspamd-Server: rspam02 X-Stat-Signature: xonio7su6fnok9b565cmz34rtpg88tc7 X-Rspamd-Queue-Id: 9508EC041630 X-HE-Tag: 1624456841-563805 Content-Transfer-Encoding: quoted-printable 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: On Wed, 23 Jun 2021 15:05:22 +0800, Zhenyu Ye wrote: > The TTL field indicates the level of page table walk holding the *leaf* > entry for the address being invalidated. But currently, the TTL field > may be set to an incorrent value in the following stack: >=20 > pte_free_tlb > __pte_free_tlb > tlb_remove_table > tlb_table_invalidate > tlb_flush_mmu_tlbonly > tlb_flush >=20 > [...] Applied to arm64 (for-next/mm), thanks! [1/1] arm64: tlb: fix the TTL value of tlb_get_level https://git.kernel.org/arm64/c/52218fcd61cb Cheers, --=20 Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev