From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f200.google.com (mail-pl1-f200.google.com [209.85.214.200]) by kanga.kvack.org (Postfix) with ESMTP id 6EC746B72AC for ; Wed, 5 Dec 2018 00:30:05 -0500 (EST) Received: by mail-pl1-f200.google.com with SMTP id m1-v6so14189757plb.13 for ; Tue, 04 Dec 2018 21:30:05 -0800 (PST) Received: from mga09.intel.com (mga09.intel.com. [134.134.136.24]) by mx.google.com with ESMTPS id 205si19072018pfa.199.2018.12.04.21.30.04 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Dec 2018 21:30:04 -0800 (PST) Date: Tue, 4 Dec 2018 21:32:39 -0800 From: Alison Schofield Subject: Re: [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys Message-ID: <20181205053239.GC18596@alison-desk.jf.intel.com> References: <20181204092841.GU11614@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181204092841.GU11614@hirez.programming.kicks-ass.net> Sender: owner-linux-mm@kvack.org List-ID: To: Peter Zijlstra Cc: dhowells@redhat.com, tglx@linutronix.de, jmorris@namei.org, mingo@redhat.com, hpa@zytor.com, bp@alien8.de, luto@kernel.org, kirill.shutemov@linux.intel.com, dave.hansen@intel.com, kai.huang@intel.com, jun.nakajima@intel.com, dan.j.williams@intel.com, jarkko.sakkinen@intel.com, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org On Tue, Dec 04, 2018 at 10:28:41AM +0100, Peter Zijlstra wrote: > On Mon, Dec 03, 2018 at 11:40:00PM -0800, Alison Schofield wrote: > > + for_each_online_cpu(online_cpu) > > + if (online_cpu != cpu && > > + pkgid == topology_physical_package_id(online_cpu)) { > > + cpumask_set_cpu(online_cpu, mktme_leadcpus); > > + break; > > + } > > That's a capital offence right there. Got it!