Re: [PATCH v3] x86/power: Fix 'nosmt' vs. hibernation triple fault during resume

From: Pavel Machek
Date: Wed May 29 2019 - 17:28:54 EST


On Wed 2019-05-29 22:26:48, Jiri Kosina wrote:
> From: Jiri Kosina <jkosina@xxxxxxx>
>
> 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@xxxxxxxxxxxxxxx # v4.19+
> Debugged-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Fixes: 0cc3cd21657b ("cpu/hotplug: Boot HT siblings at least once")
> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>

Acked-by: Pavel Machek <pavel@xxxxxx>

But I'm less sure if this is -stable material. Is reverting
0cc3cd21657be04cb0559fe8063f2130493f92cf in -stable an option?
Pavel
--
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