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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5832C282EC for ; Tue, 11 Mar 2025 13:13:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2F76E280003; Tue, 11 Mar 2025 09:13:51 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2A842280001; Tue, 11 Mar 2025 09:13:51 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 17012280003; Tue, 11 Mar 2025 09:13:51 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id EE270280001 for ; Tue, 11 Mar 2025 09:13:50 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id A5115141F31 for ; Tue, 11 Mar 2025 13:13:52 +0000 (UTC) X-FDA: 83209312704.29.45456D5 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by imf27.hostedemail.com (Postfix) with ESMTP id E7DBF40015 for ; Tue, 11 Mar 2025 13:13:50 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=WQrtOQMY; spf=pass (imf27.hostedemail.com: domain of will@kernel.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=will@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1741698831; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=IjgkLRncbK1H6pqJh4QjzFtPlK5zMlruY50vHLD4dSY=; b=L42hQAovS1GxSDgRjVmGlcXcs7UGHtThQbShA/k2ziRzYURBF8/G2gMPyVj2WssiBaAnQL T5ykZ0q1JA7SfdU10++0qgPUK22Bmjqw1t2IuBWKNlULuTvWsW0mbmr5X/c1QjhZjiXsUu GH7II4RDaWZtXiPaH22IwmmdtGVsvTE= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=WQrtOQMY; spf=pass (imf27.hostedemail.com: domain of will@kernel.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=will@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1741698831; a=rsa-sha256; cv=none; b=a4TA4GWwFvWv+rEn4enDLoHu7VxMwpUTzFejJqy1+hFc6dAEZRnPeeYRI6M87GmFgKypKC HwJX5OD+ueMKmJHz2bhg6aqec1v6hIV91com6s+KUgoOAkolNx1pmrucwr8CS+F3oPd32g IpMgzkue7H/NghLURekB+WXg+ZvH938= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 0EF0BA44D68; Tue, 11 Mar 2025 13:08:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0536C4CEEC; Tue, 11 Mar 2025 13:13:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741698829; bh=W5TW3ItKe0zCXjEoHNcQyGj1KCK/QSQc7spLlCVjgow=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WQrtOQMYMPMYlS/buZhQKhd0yPkZTs6SrqVzwdmGj4OUORYyFjIwCtSkrmyNRkxaU hwTij4rzs46Ky1AOTB8HpRT2IG/XT7zsP/KijrhWYiRhHQ93n+jSnglTaRa93MPQEW G/Qf5R2NSma/6n+KVhg0dt3fRdBTCUw2kubMbukoUaL4cUixdk0itiwLmVzWs3VVC0 S0qyqOhcGAN4haUtooV0AcirdKVCHJRI4FtYz3jj/ny+jfq6b9B0FJpU+fbNnaC2mL oHXR8OKBUdbo/KWOKbg7E1N0EFLcYDw1ik86bkNGCLXLSDUqgSEQK8m8uQLVpmyQT2 8ns50s61k3GAA== From: Will Deacon To: Catalin Marinas , linux-arm-kernel@lists.infradead.org, Piotr Jaroszynski Cc: kernel-team@android.com, Will Deacon , Robin Murphy , Alistair Popple , Raghavendra Rao Ananta , SeongJae Park , John Hubbard , Nicolin Chen , iommu@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Jason Gunthorpe Subject: Re: [PATCH] [arm64/tlb] Fix mmu notifiers for range-based invalidates Date: Tue, 11 Mar 2025 13:13:36 +0000 Message-Id: <174169306404.278141.17801949874773526998.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20250304085127.2238030-1-pjaroszynski@nvidia.com> References: <20250304085127.2238030-1-pjaroszynski@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Stat-Signature: i7rfouj5h5q48hu47a3rh1mtbyiriegw X-Rspam-User: X-Rspamd-Queue-Id: E7DBF40015 X-Rspamd-Server: rspam01 X-HE-Tag: 1741698830-721942 X-HE-Meta: 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 qsfDNVRm Fje292/sSDvvG1Tz4RmjjA25sCmYuWib8krLhDZ777kCkYlIe2YVYQ040x9HcjDgGyTj/3gVvibdwxRz4ABIukyL2Y60wBwsFezjxzAdUF3yJq8XXprZw0+qGu3DL4igdb1SWVULzrjWs8Zizw+0CIolzLvzEiCPCMI4q9zPWCIDDDc6iwfFj2l6vQ6IJwLQ40Wv4ovg9Q1gHlAT4Xxxq4/RDwrOmoJ40kdnWuNc2kbQzSuJyrucXWbIp5JT28EikFHsBJyoP2fZX1bGJXmYqG44t3zPcZaaccmPOhPQRFDjMq1Ot1THsm8CwSQ== 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: List-Subscribe: List-Unsubscribe: On Tue, 04 Mar 2025 00:51:27 -0800, Piotr Jaroszynski wrote: > Update the __flush_tlb_range_op macro not to modify its parameters as > these are unexepcted semantics. In practice, this fixes the call to > mmu_notifier_arch_invalidate_secondary_tlbs() in > __flush_tlb_range_nosync() to use the correct range instead of an empty > range with start=end. The empty range was (un)lucky as it results in > taking the invalidate-all path that doesn't cause correctness issues, > but can certainly result in suboptimal perf. > > [...] Applied to arm64 (for-next/fixes), thanks! [1/1] Fix mmu notifiers for range-based invalidates https://git.kernel.org/arm64/c/f7edb07ad7c6 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev