Messages in this thread | | | Date | Wed, 29 May 2019 23:53:27 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH v3] x86/power: Fix 'nosmt' vs. hibernation triple fault during resume |
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On Wed 2019-05-29 23:27:34, Jiri Kosina wrote: > On Wed, 29 May 2019, Pavel Machek wrote: > > > > As explained in > > > > > > 0cc3cd21657b ("cpu/hotplug: Boot HT siblings at least once") > > > > > > we always, no matter what, have to bring up x86 HT siblings during boot at > > > least once in order to avoid first MCE bringing the system to its > > > knees. > > > > > > > Cc: stable@vger.kernel.org # v4.19+ > > > Debugged-by: Thomas Gleixner <tglx@linutronix.de> > > > Fixes: 0cc3cd21657b ("cpu/hotplug: Boot HT siblings at least once") > > > Signed-off-by: Jiri Kosina <jkosina@suse.cz> > > > > Acked-by: Pavel Machek <pavel@ucw.cz> > > > > But I'm less sure if this is -stable material. Is reverting > > 0cc3cd21657be04cb0559fe8063f2130493f92cf in -stable an option? > > Well, without that commit, first MCE to come kills nosmt system.
...which is same situation 4.9-stable and 4.14-stable lives with for a long long time, right?
But you are right, reverting 0cc3cd21657b does not look like good option :-(.
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |