Subject: Re: [PATCH 1/4] powerpc/tm: Add commandline option to disable hardware transactional memory

From: Michael Neuling <[email-masked]>
Date: Sat, 21 Oct 2017 12:00:15 +1100

On Fri, 2017-10-20 at 12:58 +0000, David Laight wrote:
> > > This patch adds a simple commandline option so that HTM can be
> > > disabled at boot time.
>=20
> ISTM that being able to disable it after boot would be more useful.
> (ie in a startup script)

I agree bug unfortunately that's impossible.

If a process is already running in tm suspend, there is no way to stop it o=
ther
than killing the process.  At that point you may as well kexec with a new
cmdline option

Mikey