From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH RFC 1/5] iommu: need_iommu set early
Date: Fri, 13 Feb 2015 21:48:19 +0000
Message-ID: <54DE7123.2000700@citrix.com>
References: <20150213185105.GA12720@elena.ufimtseva>
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To: Elena Ufimtseva <elena.ufimtseva@oracle.com>, xen-devel@lists.xen.org
Cc: kevin.tian@intel.com, tim@xen.org, jbeulich@suse.com, yang.z.zhang@intel.com, boris.ostrovsky@oracle.com, roger.pau@citrix.com
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On 13/02/15 18:51, Elena Ufimtseva wrote:
> Set need_iommu for dom0 early so pvh specific functions
> in construct_dom0 can pass this check.
> See example in p2m-ept.c ept_set_entry.
>
> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

> ---
>  xen/arch/x86/domain_build.c |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/xen/arch/x86/domain_build.c b/xen/arch/x86/domain_build.c
> index 4380b57..a7bc2a4 100644
> --- a/xen/arch/x86/domain_build.c
> +++ b/xen/arch/x86/domain_build.c
> @@ -1525,6 +1525,7 @@ int __init construct_dom0(
>  
>      if ( is_pvh_domain(d) )
>      {
> +        d->need_iommu = 1;
>          /* finally, fixup the page table, replacing mfns with pfns */
>          pvh_fixup_page_tables_for_hap(v, v_start, v_end);
>