>>> On 23.04.15 at 11:55, <chao.p.p...@linux.intel.com> wrote:
> --- a/xen/arch/x86/sysctl.c
> +++ b/xen/arch/x86/sysctl.c
> @@ -171,6 +171,24 @@ long arch_do_sysctl(
>
> break;
>
> + case XEN_SYSCTL_psr_cat_op:
> + switch ( sysctl->u.psr_cat_op.cmd )
> + {
> + case XEN_SYSCTL_PSR_CAT_get_l3_info:
> + ret = psr_get_cat_l3_info(sysctl->u.psr_cat_op.target,
> +
> &sysctl->u.psr_cat_op.u.l3_info.cbm_len,
> +
> &sysctl->u.psr_cat_op.u.l3_info.cos_max);
> +
> + if ( !ret && __copy_to_guest(u_sysctl, sysctl, 1) )
Can't this be __copy_field_to_guest() for just the u.psr_cat_op part?
Jan
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