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

[Michael Neuling]

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.
> 
> 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 other
than killing the process.  At that point you may as well kexec with a new
cmdline option

Mikey