Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp3274648pxu;
        Mon, 19 Oct 2020 08:13:20 -0700 (PDT)
X-Google-Smtp-Source: ABdhPJzPJiGgga3UtCKoLdlS4coipn0oHBMHO6k1dcJeYK0LNO7qRDpQLoBPA8NcvG12oRhemGU7
X-Received: by 2002:a05:6402:d06:: with SMTP id eb6mr222188edb.289.1603120400318;
        Mon, 19 Oct 2020 08:13:20 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1603120400; cv=none;
        d=google.com; s=arc-20160816;
        b=JxliI2k1ZvIMDSAdSx82uRpube23IgL1LzMkoBly9iDSwSyICoMSrrfdxTIUuvIMyF
         vl59T7VMq5n4Ym9VDxphChXCx5AadQ72fGtnv17mKQzPadh8YCpFBdX+FyxFwEoUI2OK
         0yG+Ci+NhHzcbu4DLGOBE8T41dOa14WO8kcHH6/VNF7H5RVsuPmfMjuPasvmP0fEr3eY
         Ad2Ecu0WCjFgC3DUe381sl2uw+IFVVyhf7W2Coh1H+j79LGfxldwSySBTbno8M8JaMb5
         cPOqMs7z5iLeTSXVXcoPB8YeLLuwlqplKWUSlwjHjXSwalmDumL7o0AH4V3BY6PgTS8L
         MRVA==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:in-reply-to:content-transfer-encoding
         :content-disposition:mime-version:references:message-id:subject:cc
         :to:from:dkim-signature:dkim-signature:date;
        bh=B7nGlt0IAau+1wC1BEz0+nWCjYuyVVx93t5gJ7KzFPs=;
        b=AhJZUmKx93oL7qVygA/eICz+smimW0Hd+aLcC+VZFjnJYDlijOkXCrNtkhFddf7MpV
         mMTqLdL6+tiXrTloqPHdTkQtokA2jXOG3hXDcQr3nKT+KM10D3A04bZw3do8u0IImKAa
         1hS9eZiwOQsgBYAYQDVhVwvCAKVwzHopSQu6CQhVfq/Brml5D6j//JpfFnHPFiVUixmw
         pnu3vFwUv9t7OEPsGl6QmnHNaWoJm4q2KlhXIOGaimqvEd9ryt7/EN3Y5LFtOWRG79vM
         iCLdlcI7s07EafRJZlBYUtUPy1rZhfL73NEUTI0EDlCe+V6GMYU+nMhLCA/i32U4w05J
         c1zA==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@linutronix.de header.s=2020 header.b=0zDwzOVT;
       dkim=neutral (no key) header.i=@linutronix.de header.s=2020e;
       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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18])
        by mx.google.com with ESMTP id i23si195773ejj.201.2020.10.19.08.12.57;
        Mon, 19 Oct 2020 08:13:20 -0700 (PDT)
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=@linutronix.de header.s=2020 header.b=0zDwzOVT;
       dkim=neutral (no key) header.i=@linutronix.de header.s=2020e;
       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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1729816AbgJSPJi (ORCPT <rfc822;sduhuangshuai@gmail.com>
        + 99 others); Mon, 19 Oct 2020 11:09:38 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47640 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1728311AbgJSPJi (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 19 Oct 2020 11:09:38 -0400
Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47FDAC0613CE;
        Mon, 19 Oct 2020 08:09:38 -0700 (PDT)
Date:   Mon, 19 Oct 2020 17:09:35 +0200
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de;
        s=2020; t=1603120176;
        h=from:from: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;
        bh=B7nGlt0IAau+1wC1BEz0+nWCjYuyVVx93t5gJ7KzFPs=;
        b=0zDwzOVTVPvr6xfGTRdEMuMArrhm6DezAME1QpJeKkFSjbf/VGHKr7ECmvWNK4W4f5UWtx
        SNGqzifQwogGOMtREvafw+IDVQNl9swvWKvbgXauAQFrm0FxCxVtKlpB+HYMPYLWnqRw7t
        +2d5kjcGreTk4nhtwda832gHOk1FSKrkJMgLSwq1e26ZdVI06v3BnBjdWA+viiIIL+rAUd
        q/zHfIYacJVdqdGJw+9un03e2aR1sQyQV8nhxq+ham3gYOoxsA6DW7aapwu6zco4VH7EH6
        TqDFrFz7dGZZgmTWgnR62u34VOogSH+dEkHIXMJS+fkU2OoP79DLV/LWbWPNpA==
DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de;
        s=2020e; t=1603120176;
        h=from:from: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;
        bh=B7nGlt0IAau+1wC1BEz0+nWCjYuyVVx93t5gJ7KzFPs=;
        b=4Q8fccYZg0YJQPx6iWPNB640rgSWl+nI46uDLq0z6G7t0ou4EeL+m2Hz3vcAhIEaIx8hB3
        v2s0rphgC/OebIDw==
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Christian Eggers <ceggers@arri.de>
Cc:     Peter Zijlstra <peterz@infradead.org>, tglx@linutronix.de,
        linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: sched: system doesn't boot since  "sched: Add new
 migrate_disable() implementation"
Message-ID: <20201019150935.koqbk57dmahhomdc@linutronix.de>
References: <1654655.1jrfHnk7pZ@n95hx1g2>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
In-Reply-To: <1654655.1jrfHnk7pZ@n95hx1g2>
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 2020-10-19 12:21:06 [+0200], Christian Eggers wrote:
> I have problems with the latest 5.9-rt releases on i.MX6ULL (!CONFIG_SMP):
>=20
=E2=80=A6
> Any hints?

Thank you for the report. The reason is the migrate_disable()
implementation for !SMP.

> Best regards
> Christian

Sebastian