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From: Wei Liu <wei.liu2@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Chao Peng <chao.p.peng@linux.intel.com>,
	he.chen@linux.intel.com, Wei Liu <wei.liu2@citrix.com>,
	JBeulich@suse.com, xen-devel@lists.xen.org
Subject: Re: [PATCH] x86/psr: make opt_psr persistent
Date: Thu, 26 May 2016 14:47:21 +0100	[thread overview]
Message-ID: <20160526134721.GW22076@citrix.com> (raw)
In-Reply-To: <5746D37F.9000607@citrix.com>

On Thu, May 26, 2016 at 11:44:15AM +0100, Andrew Cooper wrote:
> On 26/05/16 03:03, Chao Peng wrote:
> > opt_psr is now not only used at booting time but also at runtime.
> > More specifically, it is used to check CDP switch in psr_cpu_init()
> > which can potentially be called in CPU hotplug case.
> >
> > Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
> 
> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
> 
> Wei: This should be taken for 4.7
> 

Release-acked-by: Wei Liu <wei.liu2@citrix.com>

> ~Andrew
> 
> > ---
> >  xen/arch/x86/psr.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c
> > index f796552..0b5073c 100644
> > --- a/xen/arch/x86/psr.c
> > +++ b/xen/arch/x86/psr.c
> > @@ -52,7 +52,7 @@ static unsigned long *__read_mostly cat_socket_enable;
> >  static struct psr_cat_socket_info *__read_mostly cat_socket_info;
> >  static unsigned long *__read_mostly cdp_socket_enable;
> >  
> > -static unsigned int __initdata opt_psr;
> > +static unsigned int opt_psr;
> >  static unsigned int __initdata opt_rmid_max = 255;
> >  static unsigned int __read_mostly opt_cos_max = 255;
> >  static uint64_t rmid_mask;
> 

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      reply	other threads:[~2016-05-26 13:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-26  2:03 [PATCH] x86/psr: make opt_psr persistent Chao Peng
2016-05-26 10:44 ` Andrew Cooper
2016-05-26 13:47   ` Wei Liu [this message]

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