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

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

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

~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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