From: Pavel Machek <pavel@ucw.cz>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Miroslav Benes <mbenes@suse.cz>,
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
Date: Tue, 21 Nov 2017 00:14:29 +0100 [thread overview]
Message-ID: <20171120231429.GA13906@amd> (raw)
In-Reply-To: <20171120230203.dhhwi65fnn3eemn2@treble>
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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").
>
> 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
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-11-20 23:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-15 13:50 [PATCH v4 0/2] livepatch: Introduce signal and force sysfs attributes Miroslav Benes
2017-11-15 13:50 ` [PATCH v4 1/2] livepatch: send a fake signal to all blocking tasks Miroslav Benes
2017-11-30 21:53 ` Jiri Kosina
2017-12-01 10:13 ` Michael Ellerman
2017-11-15 13:50 ` [PATCH v4 2/2] livepatch: force transition to finish Miroslav Benes
2017-11-20 15:57 ` Miroslav Benes
2017-11-20 23:02 ` Josh Poimboeuf
2017-11-20 23:09 ` Jiri Kosina
2017-11-20 23:11 ` Jiri Kosina
2017-11-20 23:14 ` Josh Poimboeuf
2017-11-22 10:29 ` [PATCH v4.1 " Miroslav Benes
2017-12-15 18:04 ` Jason Baron
2017-12-18 13:23 ` Miroslav Benes
2017-12-18 19:30 ` Josh Poimboeuf
2017-12-19 13:27 ` Petr Mladek
2017-11-20 23:14 ` Pavel Machek [this message]
2017-11-20 23:17 ` [PATCH v4 " Jiri Kosina
2017-11-21 10:04 ` Petr Mladek
2017-11-16 1:16 ` [PATCH v4 0/2] livepatch: Introduce signal and force sysfs attributes Josh Poimboeuf
2017-12-04 21:37 ` Jiri Kosina
2017-12-07 12:23 ` Jiri Kosina
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