Re: [Xen-devel] [PATCH 2/3] VMX, apicv: Set "NMI-window exiting" for NMI

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

Zhang, Yang Z wrote on 2013-12-12:
> From: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> 
> Enable NMI-window exiting if interrupt is blocked by NMI under apicv
> enabled platform.
> 

Hi Jun,

Can you help to review this patch? Thanks.

> Signed-off-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> ---
>  xen/arch/x86/hvm/vmx/intr.c |    7 ++++---
>  1 files changed, 4 insertions(+), 3 deletions(-)
> diff --git a/xen/arch/x86/hvm/vmx/intr.c b/xen/arch/x86/hvm/vmx/intr.c
> index 7757910..8507432 100644 --- a/xen/arch/x86/hvm/vmx/intr.c +++
> b/xen/arch/x86/hvm/vmx/intr.c @@ -252,10 +252,11 @@ void
> vmx_intr_assist(void)
>          intblk = hvm_interrupt_blocked(v, intack);
>          if ( cpu_has_vmx_virtual_intr_delivery )
>          {
> -            /* Set "Interrupt-window exiting" for ExtINT */
> +            /* Set "Interrupt-window exiting" for ExtINT and NMI. */
>              if ( (intblk != hvm_intblk_none) &&
> -                 ( (intack.source == hvm_intsrc_pic) ||
> -                 ( intack.source == hvm_intsrc_vector) ) )
> +                 (intack.source == hvm_intsrc_pic ||
> +                  intack.source == hvm_intsrc_vector ||
> +                  intack.source == hvm_intsrc_nmi) )
>              {
>                  enable_intr_window(v, intack);
>                  goto out;


Best regards,
Yang



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