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 3DA20C00140 for ; Mon, 15 Aug 2022 13:43:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 862E88D0002; Mon, 15 Aug 2022 09:43:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 813158D0001; Mon, 15 Aug 2022 09:43:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6DBA48D0002; Mon, 15 Aug 2022 09:43:56 -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 5DB7C8D0001 for ; Mon, 15 Aug 2022 09:43:56 -0400 (EDT) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 1648AA03D9 for ; Mon, 15 Aug 2022 13:43:56 +0000 (UTC) X-FDA: 79801945272.17.E0AB02D Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf27.hostedemail.com (Postfix) with ESMTP id AB9BC40009 for ; Mon, 15 Aug 2022 13:43:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=xAbhSHTyhYfiOMcbvhSTpSJFMq8Zh5CE32rvygg3JG4=; b=dOmUTCATwFfwZ/P231/IatKal/ SS/oZPAPoavCRrL7O5HF4WQ46rSOIUNj9sjJgpKFBqdoYEJmWJaZg6SCMMoGuDI8Tt2lqdy/vjbHk A+ic52BCuNY6d6dyXC6zApCV6SrlG/z5TjZrb/vsPX5vvJBsWF7R2kHLAApzeYQ5JMEh0/VEeVsWG l2QLFg/qo6ZhDJoil82rOTfAqamRDDveMzGOkycNeueaKC6OxY/IomVq8Nh1MYRnFpVJKq8Zk4jxh YxB5K7PvzqbNEnrKxKSW1S+aExelMltKz4PM4SPGbrkxGnkIhQJ4+1a3x2HSHjyQODEacbTLimtL3 rs8ry4xA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=worktop.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oNaNj-005l96-SN; Mon, 15 Aug 2022 13:43:52 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 1600F980153; Mon, 15 Aug 2022 15:43:51 +0200 (CEST) Date: Mon, 15 Aug 2022 15:43:50 +0200 From: Peter Zijlstra To: "Kirill A. Shutemov" Cc: Dave Hansen , Andy Lutomirski , x86@kernel.org, Kostya Serebryany , Andrey Ryabinin , Andrey Konovalov , Alexander Potapenko , Taras Madan , Dmitry Vyukov , "H . J . Lu" , Andi Kleen , Rick Edgecombe , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHv6 00/11] Linear Address Masking enabling Message-ID: References: <20220815041803.17954-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220815041803.17954-1-kirill.shutemov@linux.intel.com> ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=dOmUTCAT; spf=none (imf27.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660571035; a=rsa-sha256; cv=none; b=k3a/NNxpLx7XO3J5cHnuGmcTaP+dQr34REBhsUEC9xPnmPrjiNgh42w+dIcHbSbQRSJVnh lj+pK/G01WpzPTL2eWAOsYKtjLwAIxrWmIaHgY+qQH5UXsv72uxP7Tv+KX2SkSBeFx4Fer lasgESfZECiI6N9nCtCxiznHkn1Z5tM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660571035; 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=xAbhSHTyhYfiOMcbvhSTpSJFMq8Zh5CE32rvygg3JG4=; b=onmJpFz0fkaa8Tjco01C0yXlrEgyHSzFbqY1UZbpZXgiZnAROXg3fdMxab+6VDOjdiDGaZ NPk1/ZF0ICgC17GccovrpYtYx4rzyBqJA3Bv9IU9UnWAaQPwgwBlI/RJplCRQZthtHIzMn JJB+A3nYW/HMUnGKyX1xaOPjh4PvPN8= Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=dOmUTCAT; spf=none (imf27.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org; dmarc=none X-Stat-Signature: ofgx544chao3ks5jrdgcgdfjg5zskqui X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: AB9BC40009 X-HE-Tag: 1660571035-95512 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 Mon, Aug 15, 2022 at 07:17:52AM +0300, Kirill A. Shutemov wrote: > Kirill A. Shutemov (7): > x86/mm: Fix CR3_ADDR_MASK > x86: CPUID and CR3/CR4 flags for Linear Address Masking > mm: Pass down mm_struct to untagged_addr() > x86/mm: Handle LAM on context switch > x86/uaccess: Provide untagged_addr() and remove tags before address > check > x86/mm: Provide arch_prctl() interface for LAM > x86: Expose untagging mask in /proc/$PID/arch_status Over-all these are not terrible.. I've replied with a few nits; with those fixed: Acked-by: Peter Zijlstra (Intel)