Re: [Xen-devel] VMX status report. Xen:24911 & Dom0: d93dc5c4...

["Ren, Yongjie" <yongjie.ren@xxxxxxxxx>]

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxx
> [mailto:xen-devel-bounces@xxxxxxxxxxxxx] On Behalf Of Jan Beulich
> Sent: Tuesday, March 13, 2012 7:34 PM
> To: Zhou, Chao
> Cc: xen-devel
> Subject: Re: [Xen-devel] VMX status report. Xen:24911 & Dom0:
> d93dc5c4...
> 
> >>> On 13.03.12 at 10:18, "Zhou, Chao" <chao.zhou@xxxxxxxxx> wrote:
> > 1. when detaching a VF from hvm guest, "xl dmesg" will show some
> warning
> > information
> >   http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1809
> 
> Could you give the qemu-traditional patch below a try (and report
> the resulting "xl dmesg" regardless of whether this eliminates the
> warning)?
> 
Yes, we tried your below patch. The warning still exists.
Attached is the output of 'xl dmesg' after detaching a VF.

Jay

> Jan
> 
> --- a/hw/pass-through.c
> +++ b/hw/pass-through.c
> @@ -1969,11 +1969,9 @@ static void pt_unregister_regions(struct
>          if ( type == PCI_ADDRESS_SPACE_MEM ||
>               type == PCI_ADDRESS_SPACE_MEM_PREFETCH )
>          {
> -            ret = xc_domain_memory_mapping(xc_handle, domid,
> -                    assigned_device->bases[i].e_physbase >>
> XC_PAGE_SHIFT,
> -                    assigned_device->bases[i].access.maddr >>
> XC_PAGE_SHIFT,
> -                    (e_size+XC_PAGE_SIZE-1) >> XC_PAGE_SHIFT,
> -                    DPCI_REMOVE_MAPPING);
> +            ret = _pt_iomem_helper(assigned_device, i,
> +
> assigned_device->bases[i].e_physbase,
> +                                   e_size,
> DPCI_REMOVE_MAPPING);
>              if ( ret != 0 )
>              {
>                  PT_LOG("Error: remove old mem mapping failed!\n");
> 
> 
> 
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Attachment: xl-dmesg.log
Description: xl-dmesg.log

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