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 E4A44C021BB for ; Tue, 25 Feb 2025 21:03:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6391C6B008C; Tue, 25 Feb 2025 16:03:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5E8A96B0093; Tue, 25 Feb 2025 16:03:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4B0556B0095; Tue, 25 Feb 2025 16:03:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 2E7AE6B008C for ; Tue, 25 Feb 2025 16:03:33 -0500 (EST) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 99057B0199 for ; Tue, 25 Feb 2025 21:03:32 +0000 (UTC) X-FDA: 83159693064.24.17A783E Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) by imf06.hostedemail.com (Postfix) with ESMTP id 99FEE180018 for ; Tue, 25 Feb 2025 21:03:30 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=alien8.de header.s=alien8 header.b=JMgL7+5o; spf=pass (imf06.hostedemail.com: domain of bp@alien8.de designates 65.109.113.108 as permitted sender) smtp.mailfrom=bp@alien8.de; dmarc=pass (policy=none) header.from=alien8.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740517410; a=rsa-sha256; cv=none; b=QY4EUlTBbs8jksFmGGp24nYAGFzv4eUUwZkTVac7aDnzza6NoJc158maJowaN/Lx9ptCPA 6ugDCCd+MPwAaItVy0VSNf+UgM+e7RKyiv655nkNt3fq002r2hpc6ptFyimFCcvJolmBIC EcgG9pnqCl2aOHIGqs2YpA3iHDhrXgY= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=alien8.de header.s=alien8 header.b=JMgL7+5o; spf=pass (imf06.hostedemail.com: domain of bp@alien8.de designates 65.109.113.108 as permitted sender) smtp.mailfrom=bp@alien8.de; dmarc=pass (policy=none) header.from=alien8.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1740517410; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=RW7EXBWZRnw4HvjQHbP/KC89pF9FScloDAfWFmC/zP0=; b=XdKyYicZe/sQGPBdeYIiGNta1hPvmRBtLp3aUm9zoyv/u8g/6fUcYm+OQo79M7Wogx56Gu hYJWC1ihL/qF2PBatAsBle04LPyzQ9/HWFmVMjqwcRYwCoRyNp+cJF1PX8E9Jgm3nGXEBD Aom+GPWLNQ7/F1Eeg3TlO9NyuW4jwoE= Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 61A9740E01AD; Tue, 25 Feb 2025 21:03:27 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id BufiWpZA3Kh9; Tue, 25 Feb 2025 21:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1740517403; bh=RW7EXBWZRnw4HvjQHbP/KC89pF9FScloDAfWFmC/zP0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JMgL7+5owRQsYhrS0LpvJMpyfC1ZGd7umIldHeF3ju5fAXdx+NiAuVKw26Y1nqU5k sX6fjSfyVLfb2e4eFNn+ZylYorMx8obUuLowfA7Gv1iBhkEITwR/99+Dex3mg7P56N h+dKN5FPzI8zEnRzwd3c+r+XaGnDCx8RWxBunj5MQ4Fv/xahUYhgwg+lTEzV30Za9+ j6pqPlVyNDR9Vi2EFrXKPMBeh6iHGdJmVxxBItvN/wDUfKUwanxn8sWchflr3fsS+4 rZUs9RIVWpwXeBkHqTjpnEiReaZCOU1KwWp65xAxxAadE8ruvxcOz/XHyUWm/r6Iix QbXt/SyxIO7ljexJWKj5JNN9flHnr8Wz7sJ/OcM6rs6YG5g2h9IPRK1FXDSRQFYLQ1 sQAjHoPA31vnFiDcLERAyuTI3ptlcqkn6pljqIus6sdHVB5Dt3whzlhY7dTJJvQUra ytSKxQ/UeifIyn+jP0F5lNDu/MYDr/H6if/g59mhjTvADLt79ik+eQtK6pzy4xijBV pKBPaliQXxmMaaLCGkL6QXwJ0X7r79/J7zsaHiV0Uxx3lq/brm7jxQQWCYY2ntKmRN +ffK6Plz+fAc7kCZvkYDq4FGLH/rhREEokk8jZyVasNqpLx4i+KTqn0ToBl9OxvaGp hE7KLWzQcFdSPHlppk3ykVfo= Received: from zn.tnic (pd95303ce.dip0.t-ipconnect.de [217.83.3.206]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 5E38840E01A0; Tue, 25 Feb 2025 21:03:06 +0000 (UTC) Date: Tue, 25 Feb 2025 22:03:00 +0100 From: Borislav Petkov To: Rik van Riel Cc: x86@kernel.org, linux-kernel@vger.kernel.org, peterz@infradead.org, dave.hansen@linux.intel.com, zhengqi.arch@bytedance.com, nadav.amit@gmail.com, thomas.lendacky@amd.com, kernel-team@meta.com, linux-mm@kvack.org, akpm@linux-foundation.org, jackmanb@google.com, jannh@google.com, mhklinux@outlook.com, andrew.cooper3@citrix.com, Manali.Shukla@amd.com, mingo@kernel.org Subject: Re: [PATCH v13 06/14] x86/mm: use broadcast TLB flushing for page reclaim TLB flushing Message-ID: <20250225210300.GHZ74wBP2ogmM5P5lP@fat_crate.local> References: <20250223194943.3518952-1-riel@surriel.com> <20250223194943.3518952-7-riel@surriel.com> <20250224132711.GHZ7xzr0vdhva3-TvK@fat_crate.local> <7c2baf33265444089ab780848de29a1336a9a4cc.camel@surriel.com> <20250225203803.GGZ74qK1oZWk8u69O4@fat_crate.local> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250225203803.GGZ74qK1oZWk8u69O4@fat_crate.local> X-Stat-Signature: g1cttiatnmbzhc47kj5xt8phk87x633j X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 99FEE180018 X-Rspam-User: X-HE-Tag: 1740517410-6550 X-HE-Meta: U2FsdGVkX1+cb+aXhCvxSKmL4nfGqYPVM0+WaHunMESHpVyq9e/c0i8RmKkX1hQ/3sQB1OZKz+4mkas7V5u9lD1WmjaIrVQWvCRbTmFJVXSJJa1VAPg8JZqSpd4UFnC0YOZKXHBZHJjdtwQrFkcOIjwQAgNVi/OEp8oKCHpcrenOJ+i5V9tzPlU5e5s7ZBdt/3G73IDsFHyO8hTkMR6gO67bbhE97qz8Pbc5b0waxXRFJHrr19RBjgLuTJE2OyOwHfAF90jCkkIz3zET3gFTaygYsHCgn4EtjjcsLCmb4Pjv0LmmsVYOWhz5z9bDungQfJUQf2T22lVMBHkdpv5iu+gCyJipc3a/bzMzq+/kxsECnXX26aj3IUu4AqdHKsqnFdbLIudsH09pO7C5szOmygsQPmKq2I57GwV6nl7TU79Ax0z6OKxU7BhPL01KhnS4If2YKJJ/Lq8+lOUpUgw4YqW6xdO0lBJ/nsf/mptf+ywFpu6T5RasVD++v9emzNQ3+Jpqv0AoKjoj6Jdqmu0Ye7YAWs0bdw/VqjjP8zmgCLy3Cm64oZF954BW1GPZbg4g56yRPag4Fwl0qd13JHMuN8Fc3gnk4wz5JfMxdVkCdRKXQbR/zRWomxZlmRXlDjalLXBMQ/Ql/IYl33nBRSsUnLQ9rYZmBl0fRHjwc70f7hNWNFXyR9X/x2vs+isxd6oihCyOpAgcD/yURcFrej+PpoGr1i6pF+Jx3TBBsPUvWhoGJYsmOKZ0LoXamh2VEL154KJiqn+7q7lBL2tMURIMxuF7+dg99tzOvbYeKvlyusoBuydrM7E3TqifU4L8C3RdGSQcC5aDe/ns7ExuVNPWcp3RysCC1kCZUQJDVM9pxjE3eFMzu5XmjWFuC7beLPjEYzo59yrD6rWlj3vn/qYpjxlHCQ+frutEWQUXa2thw56usKq91doSWUx8zDacBcHHbWVU1w1jfiFOL6zchrM 7fmTssgX M+eyq7WlJ7v69316AxbZ/x3KhS+4FtbnMMDiKNlyioV8p2Tx6JXs7kso5rL6rJdjbXDilDphMQTrHfoQk5hjmqZ74FHPnBjJF89A12pEXan2WAIkq/lC5ghnDJqUwGGWwAJNtQKJz3NLnA0mOtP0wGMryAccFujkYTp3OZHB2+hQMGjhl0doqJZObOtH2ZHzZkkH6DQfqcyji8nxmXTB2f5cb/77Yrmon91GMrx0OKUZPsFUQ2/dlJ4jlpMmHlOHM8KozCgo2CKIEKO0pSpYTRH3LQH473TYBYjEucI+9gDwYE9AZlGrxYurUAlKB5Tot8cIblQBWmAdJ0TKEL7bIEIHRQBaZzTtWguur78dq+8ILooI= 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, Feb 25, 2025 at 09:38:03PM +0100, Borislav Petkov wrote: > On Tue, Feb 25, 2025 at 02:17:20PM -0500, Rik van Riel wrote: > > Who do we need to ask to confirm that reading? > > Lemme figure it out. Confirmed - that really is the case. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette