On 28/06/16 17:47, Vitaly Kuznetsov wrote:
> shared_info page has space for 32 vcpu info slots for first 32 vCPUs but
> these are the first 32 vCPUs from Xen's perspective and we should map them
> accordingly with the newly introduced xen_vcpu_id mapping.
>
> Signed-off-by: Vitaly Kuznetsov <vkuzn...@redhat.com>
> ---
> arch/x86/xen/enlighten.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> index 69f4c0c..1596626 100644
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
> @@ -189,6 +189,7 @@ static void xen_vcpu_setup(int cpu)
> struct vcpu_register_vcpu_info info;
> int err;
> struct vcpu_info *vcpup;
> + int xen_cpu = per_cpu(xen_vcpu_id, cpu);
I think there should be a
static inline int xen_vcpu_nr(int cpu)
{
return per_cpu(xen_vcpu_id, cpu);
}
helper function.
David
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