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[23.128.96.18]) by mx.google.com with ESMTP id e26si3538922edv.363.2021.01.28.07.50.59; Thu, 28 Jan 2021 07:51:27 -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=@redhat.com header.s=mimecast20190719 header.b=WhOURCyP; 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=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231856AbhA1Pq5 (ORCPT + 99 others); Thu, 28 Jan 2021 10:46:57 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:57049 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231724AbhA1Pqz (ORCPT ); Thu, 28 Jan 2021 10:46:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611848729; 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: in-reply-to:in-reply-to:references:references; bh=09LXds/Zxz5H0i6zfTq/PPnlg97L2PXNuCtxy/T8lJk=; b=WhOURCyPtG5/39D/oTaVQXa/eoYZGAg+6QWruk5orYBFqvkA5uxEAw5L+v3hNbDoDMPRS8 cme6cHUz7E9O9fpMimhkd6gBM/IUj+eZb3IzfoQuDPgH8sE1Z6klHEpBpV2m9hzVfT+HEE sL7xSo/Lp5gLXdYoHqmeMCWdPTmjhF4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-394-gT9KizAzMAaOex-HWs0sKw-1; Thu, 28 Jan 2021 10:45:28 -0500 X-MC-Unique: gT9KizAzMAaOex-HWs0sKw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8E2AD8143E5; Thu, 28 Jan 2021 15:45:26 +0000 (UTC) Received: from treble (ovpn-120-118.rdu2.redhat.com [10.10.120.118]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6738319635; Thu, 28 Jan 2021 15:45:25 +0000 (UTC) Date: Thu, 28 Jan 2021 09:45:23 -0600 From: Josh Poimboeuf To: Christoph Hellwig Cc: Kees Cook , linux-kernel@vger.kernel.org, Masahiro Yamada , Michal Marek , linux-hardening@vger.kernel.org, linux-kbuild@vger.kernel.org, Peter Zijlstra , Justin Forbes , Ondrej Mosnacek , Greg Kroah-Hartman Subject: Re: [PATCH RFC] gcc-plugins: Handle GCC version mismatch for OOT modules Message-ID: <20210128154523.7tdq4gop4tne5xhd@treble> References: <20210127180215.GA1745339@infradead.org> <20210127183856.moe3p5pxw6bbtunk@treble> <20210127184327.GA1755516@infradead.org> <20210127185113.c3est2vssf5tlyyq@treble> <20210128142952.GA2041496@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210128142952.GA2041496@infradead.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 28, 2021 at 02:29:52PM +0000, Christoph Hellwig wrote: > On Wed, Jan 27, 2021 at 12:51:13PM -0600, Josh Poimboeuf wrote: > > Is this a joke? I've never met anybody who builds OOT modules as a > > development aid... > > I'm pretty sure you've met me before. Yes, but I don't recall this topic coming up :-) > > On the other hand I know of several very popular distros (some paid, > > some not) who rely on allowing users/partners to build OOT modules as > > part of their ecosystem. To say it's not supported is a farce. > > This is not a farce. The kernel only supports infrastructure for the > kernel itself, not for any external consumers. If you have a business > model that relies on something else you should think hard if you are in > the right business. Thanks for letting me know. I'll send the memo to the billions of affected devices. -- Josh