Re: [Xen-devel] [PATCH RFC v12 13/21] pvh: Support read_segment_register for PVH

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.09.13 at 18:25, George Dunlap <george.dunlap@xxxxxxxxxxxxx> wrote:
> This will be necessary to do PV-style emulated operations for PVH guests.
> 
> Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

provided you ...

> @@ -1566,6 +1605,7 @@ static struct hvm_function_table __initdata 
> vmx_function_table = {
>      .sync_pir_to_irr      = vmx_sync_pir_to_irr,
>      .handle_eoi           = vmx_handle_eoi,
>      .nhvm_hap_walk_L1_p2m = nvmx_hap_walk_L1_p2m,
> +    .read_selector        = vmx_read_selector,
>  };

... put this and ...

> --- a/xen/include/asm-x86/hvm/hvm.h
> +++ b/xen/include/asm-x86/hvm/hvm.h
> @@ -193,6 +193,7 @@ struct hvm_function_table {
>                                  paddr_t *L1_gpa, unsigned int *page_order,
>                                  uint8_t *p2m_acc, bool_t access_r,
>                                  bool_t access_w, bool_t access_x);
> +    u16 (*read_selector)(struct vcpu *v, enum x86_segment seg);
>  };

this alongside the other segment register related hooks.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel