Re: [Xen-devel] [PATCH] x86/psr: make opt_psr persistent

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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@xxxxxxxxxxxxxxx>
> 
> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Wei: This should be taken for 4.7
> 

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

> ~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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