From: Michael Neuling <mikey@neuling.org>
To: David Laight <David.Laight@ACULAB.COM>,
'Breno Leitao' <leitao@debian.org>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: "stewart@linux.vnet.ibm.com" <stewart@linux.vnet.ibm.com>,
"linuxppc-dev@ozlabs.org" <linuxppc-dev@ozlabs.org>,
"cyrilbur@gmail.com" <cyrilbur@gmail.com>
Subject: Re: [PATCH 1/4] powerpc/tm: Add commandline option to disable hardware transactional memory
Date: Sat, 21 Oct 2017 12:00:15 +1100 [thread overview]
Message-ID: <1508547615.23934.6.camel@neuling.org> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6DD009D7D7@AcuExch.aculab.com>
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
next prev parent reply other threads:[~2017-10-21 1:00 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-12 10:17 [PATCH 1/4] powerpc/tm: Add commandline option to disable hardware transactional memory Michael Ellerman
2017-10-12 10:17 ` [PATCH 2/4] powerpc: Add PPC_FEATURE2_HTM_NO_SUSPEND Michael Ellerman
2017-10-12 10:17 ` [PATCH 3/4] powerpc/powernv: Enable TM without suspend if possible Michael Ellerman
2017-10-19 10:07 ` Florian Weimer
2017-10-19 12:04 ` Tulio Magno Quites Machado Filho
2017-10-19 12:45 ` Florian Weimer
2017-10-19 13:34 ` Tulio Magno Quites Machado Filho
2017-10-19 15:13 ` Adhemerval Zanella
2017-10-22 9:59 ` Michael Ellerman
2017-10-20 2:47 ` Michael Neuling
2017-10-22 9:48 ` Michael Ellerman
2017-10-22 9:54 ` Michael Ellerman
2017-10-12 10:17 ` [PATCH 4/4] powerpc/tm: P9 disable transactionally suspended sigcontexts Michael Ellerman
2017-10-12 11:58 ` [PATCH 5/4] KVM: PPC: Tie KVM_CAP_PPC_HTM to the user-visible TM feature Michael Ellerman
2017-10-24 8:08 ` [5/4] " Michael Ellerman
2017-10-20 11:45 ` [PATCH 1/4] powerpc/tm: Add commandline option to disable hardware transactional memory Breno Leitao
2017-10-20 12:58 ` David Laight
2017-10-21 1:00 ` Michael Neuling [this message]
2017-10-23 9:01 ` David Laight
2017-10-23 9:15 ` Michael Neuling
2017-10-21 0:58 ` Michael Neuling
2017-10-23 12:56 ` Breno Leitao
2017-10-24 8:12 ` Michael Ellerman
2017-10-24 8:08 ` [1/4] " Michael Ellerman
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