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Re: [Xen-devel] [PATCH v8 1/5] x86/ioreq server: Release the p2m lock after mmio is handled.



>>> On 18.03.17 at 11:53, <yu.c.zhang@xxxxxxxxxxxxxxx> wrote:
> --- a/xen/arch/x86/hvm/hvm.c
> +++ b/xen/arch/x86/hvm/hvm.c
> @@ -1870,18 +1870,14 @@ int hvm_hap_nested_page_fault(paddr_t gpa, unsigned 
> long gla,
>           (npfec.write_access &&
>            (p2m_is_discard_write(p2mt) || (p2mt == p2m_ioreq_server))) )
>      {
> -        __put_gfn(p2m, gfn);
> -        if ( ap2m_active )
> -            __put_gfn(hostp2m, gfn);
> -
>          rc = 0;
>          if ( unlikely(is_pvh_domain(currd)) )
> -            goto out;
> +            goto out_put_gfn;

Did you forget to re-base onto staging before you've sent this?
is_pvh_domain() was gone before your submission already. When
re-basing, feel free to also drop the dead "rc = 0;" line.

Jan


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