Re: [V13 PATCH 0/2] pvh dom0 patches...

[Mukesh Rathor <mukesh.rathor@oracle.com>]

On Thu, 22 May 2014 20:19:54 +0200
Roger Pau Monné <roger.pau@citrix.com> wrote:

> On 22/05/14 19:44, Roger Pau Monné wrote:
> > On 20/05/14 01:51, Mukesh Rathor wrote:
> >> Hi,
> >>
> >> Attached please find v13 of dom0 pvh patch series based on 
> >> c/s: 11dba84.
> >>
> >> git tree: git://oss.oracle.com/git/mrathor/xen.git  branch:
> >> dom0pvh-v13
> > 
> > I think you forgot to push the series to the git repo (or at least
> > I'm not able to see branch dom0pvh-v13).
> Also a Linux branch that works as PVH Dom0 would be interesting to me,

Hey Roger,

git://oss.oracle.com/git/mrathor/xen.git  branch: dom0pvh-v15
git://oss.oracle.com/git/mrathor/linux.git  branch: dom0pvh-1

> since I've been hitting the vioapic crash when creating HVM guests

Just apply following patch to get around vioapic crash so you can debug 
your real ept issue:

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index b69f164..c687d18 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -2079,6 +2079,11 @@ int hvm_hap_nested_page_fault(paddr_t gpa,
          (access_w && (p2mt == p2m_ram_ro)) )
     {
         put_gfn(p2m->domain, gfn);
+
+        rc = 0;
+        if ( unlikely(is_pvh_vcpu(v)) )
+            goto out;
+
         if ( !handle_mmio() )
             hvm_inject_hw_exception(TRAP_gp_fault, 0);
         rc = 1;


thanks,
Mukesh

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