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[23.128.96.18]) by mx.google.com with ESMTP id p12si13511506ejb.496.2021.02.09.08.53.25; Tue, 09 Feb 2021 08:53:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=QhX0163l; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=gmx.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232860AbhBIQuJ (ORCPT + 99 others); Tue, 9 Feb 2021 11:50:09 -0500 Received: from mout.gmx.net ([212.227.17.22]:52083 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232868AbhBIQsN (ORCPT ); Tue, 9 Feb 2021 11:48:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1612889178; bh=37N4vy20Z52BIFw5qSWY9NeNLzUusQrvh5fef3MtDhk=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=QhX0163ljSGbwh9LxWyDsvP0rp9fAnZsz46hqjiuKH/Eriym+n5E1pLI0ZrEgWpf6 rt0pAeRBVu1fPJ7F971P4N4Dj4XO6h4VaqSbDBB/pbaPFmDxdE8RVx63Q9qY/eToXK uTWy6hFb+iaJMdkl1BWT+nvqqo9L5qElleUjr9R4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.148.88]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MA7KU-1l2KMF1t5W-00BYWF; Tue, 09 Feb 2021 17:46:17 +0100 Message-ID: <967ba94b84727c6b16b18ec7afba916d7852a9e1.camel@gmx.de> Subject: Re: [patch] preempt: select PREEMPT_DYNAMIC under PREEMPTION instead of PREEMPT From: Mike Galbraith To: Peter Zijlstra Cc: lkml , Michal Hocko , Thomas Gleixner Date: Tue, 09 Feb 2021 17:46:15 +0100 In-Reply-To: References: <7d129a84b0858fd7fbc3e38ede62a848fbec536e.camel@gmx.de> <269ee10aac93d819e48dc81f09a01d01fcd44fb1.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:wp/fjLpXNx+o2f5+0bMqee8cBDQGMvbcMJigzQ5qaq6jHm8GTyT Qsu3lUAbd6ZvnhYNnMqvEG60uTMIC2e0eEnP6KXSkHr+JItJvRMvldgLYqlBGy+A8IN2VDR 06dt2kjPLzIhwaDABonAgXE/sXSQf/O+ldEo47nl70DHS/SsGw8eWnf30Mu9tBdANHdhXaw yIgENST6inQFnfDyZhD3Q== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:0WTLvrlQXik=:tjlEaW4vdBlCZlZ7VzchFh puutFEPnFKdbO2FInnyywgOvjPbtlfhpUyuLWF6nSvvdFm2JHXFHkzowByUnmYiU8XtzrBfOZ kevFlotlRbNCsUSxKjpSokT+ygybKP0rk4KTRv8slIcL0K5z/OPlXuotMTottKX1t7kysD3m0 49qwM42BDUgpBpTEEYLRv3oFH3iVmCWn2Q+/5uiuJ+ky8WdSZHN7LPVoRan+J7BY+s2BRqJ81 22aTRZMMr09wVEmaPZOjKEAQ/xRw68SUJFtdMap1BO0s/wNwt7s7w4mm3S2jzie8FFNV497J5 +SRV1q9HB98UxYFGmY4IBh+y7Vg5FXWfx71SzKIZRNyYhHET7l/T2F7ZOmq85gU6SaJErEhEW ky/NS2bMFcTd3ff+OErDXXC2PirsPnn7Fi78OYMYsd5wqaUSN2pEtbkPmMXqOxvQBHCs3/+Sg HN43iKz4pmnnCePk/Iynftwe0GjSIkt6gceS3PPGMbhCWov2EAXqorleXYmeyyp0YN7t71dxG EnZYUObyTekyzCzalS3eNNdFFbTsxXv3mdWSZypwosdZg9234krXg+NQ2n3CZAt+Cf7FEE/eL VT6XkqnvEHO7VW70qPprjL+wswiKAxS1W3Vbxfo0QU60pVk4zKboZk+TPUlYGFW2VKrG98ngl CgEDhPa0NzfnNRKgc2dbaQVxWW96awNKHT2n9m2f/Ju9ARmpB/RGgukS1jRDxcIYcx9qWWQoe L9EWhDYShKH8lBaRI+01a6xdFzfOfG9vYg3WixoIqTEkODMHntDe6hPgwo5eJySIXJV5s9RIz dwfLlhUe7FiEGEXIPrXld2PeXxceYsAyMQUIQfuOpIOQ8XRlsQvjgHkaesua7smRMYqABFx8a xvh3SaaBU+o9cfqyNm7Q== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2021-02-09 at 17:19 +0100, Peter Zijlstra wrote: > On Tue, Feb 09, 2021 at 05:13:15PM +0100, Peter Zijlstra wrote: > > On Tue, Feb 09, 2021 at 05:05:14PM +0100, Mike Galbraith wrote: > > > > > ld: init/main.o: in function `trace_initcall_start': > > > /backup/usr/local/src/kernel/linux-tip-rt/./include/trace/events/ini= tcall.h:27: undefined reference to `__SCT__preempt_schedule_notrace' > > > > Ooohh... this is because x86 can't build PREEMPT without PREEMPT_DYNAM= IC > > anymore. Maybe I should fix that. Lemme see what that would take. > > Does this work? Yup, worked fine. -Mike