Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate

From	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate
Date	2016-07-10 05:50 +0200
Message-ID	<rTdUJ-3GE-3@gated-at.bofh.it> (permalink)
References	<rSJ0B-5b-3@gated-at.bofh.it> <rSJWF-Gh-11@gated-at.bofh.it> <rSOCZ-3U2-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Sat, 2016-07-09 at 02:45 +0200, Rafael J. Wysocki wrote:
> On Friday, July 08, 2016 12:39:07 PM Srinivas Pandruvada wrote:
> > On Fri, 2016-07-08 at 20:42 +0200, Jan Kiszka wrote:
> > > If MSR_CONFIG_TDP_CONTROL is locked, we currently try to address
> > > some
> > > MSR 0x80000648 or so. Mask out the relevant level bits 0 and 1.
> > > 
> > > Found while running over the Jailhouse hypervisor which became
> > > upset
> > > about this strange MSR index.
> > > 
> > > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
> 
> OK
> 
> Should this go into stable?
Better to mark for stable tree 4.4+

Thanks,
Srinivas

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in  core_get_max_pstate Jan Kiszka <jan.kiszka@siemens.com> - 2016-07-08 20:50 +0200
  Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in  core_get_max_pstate Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-07-08 21:50 +0200
    Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-09 02:50 +0200
      Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in  core_get_max_pstate Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> - 2016-07-10 05:50 +0200

csiph-web