From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751389AbdKTXOc (ORCPT ); Mon, 20 Nov 2017 18:14:32 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:34235 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751173AbdKTXOb (ORCPT ); Mon, 20 Nov 2017 18:14:31 -0500 Date: Tue, 21 Nov 2017 00:14:29 +0100 From: Pavel Machek To: Josh Poimboeuf Cc: Miroslav Benes , jeyu@kernel.org, jikos@kernel.org, pmladek@suse.com, lpechacek@suse.cz, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 2/2] livepatch: force transition to finish Message-ID: <20171120231429.GA13906@amd> References: <20171115135014.20594-1-mbenes@suse.cz> <20171115135014.20594-3-mbenes@suse.cz> <20171120230203.dhhwi65fnn3eemn2@treble> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="1yeeQ81UyVL57Vl7" Content-Disposition: inline In-Reply-To: <20171120230203.dhhwi65fnn3eemn2@treble> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --1yeeQ81UyVL57Vl7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > We can also try to improve later. We could remember all forced tasks > > and reenable rmmod once those tasks are really migrated ("shadow > > migration").=20 >=20 > NACK :-) Forcing should hopefully be a rare event, not worth the > trouble to try to keep track of that IMO. Just disable rmmod in case of forced removal. Noone should be doing rmmod on important machines. And noone should be forcing patches. Ouch and make sure to taint the kernel. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --1yeeQ81UyVL57Vl7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAloTYdUACgkQMOfwapXb+vIJ3ACdHCUb3+7aq3z6jHOxTw4EAsVe 8P4AoI+U2qGhe+skE8FNrz6R+dW/ny3z =qSdk -----END PGP SIGNATURE----- --1yeeQ81UyVL57Vl7--