[Xen-devel] Re: Xen 4.0 is broken on 32bit

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 08/07/2010 00:04, "Huang2, Wei" <Wei.Huang2@xxxxxxx> wrote:

> The changset 21229 breaks Xen 4.0.1 tree on 32bit environment. Starting a
> guest VM will throw out an error as ³Error: (38, ?Function not implemented¹)².
> Apparently, the hypercall to mem_sharing_op is missing for 32bit environment
> due to 21229.  The following small patch can fix this issue.

This will be the unconditional xc.dom_set_memshr() call in xend's image.py.
Should be wrapped in try-except.

 -- Keir

> Thanks,
> -Wei
>  
>  
>  
> diff -r afe5a6a8b8df xen/arch/x86/domctl.c
> --- a/xen/arch/x86/domctl.c     Fri Jul 02 22:04:32 2010 +0100
> +++ b/xen/arch/x86/domctl.c     Wed Jul 07 11:51:26 2010 -0500
> @@ -1449,6 +1449,11 @@
>          } 
>      }
>      break;
> +#else
> +    case XEN_DOMCTL_mem_event_op:
> +    case XEN_DOMCTL_mem_sharing_op:
> +        ret = 0;
> +        break;
>  #endif /* __x86_64__ */
>  
>      default:
> 



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