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[Xen-changelog] [xen staging-4.8] x86: don't enable XPTI on idle domain



commit 1522a81acea5c6109f6f791d528fd8724117fb63
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed May 30 13:36:10 2018 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed May 30 13:36:10 2018 +0200

    x86: don't enable XPTI on idle domain
    
    While the involved code (in pv_domain_initialise()) sits behind an
    !is_idle_domain() check already in 4.10, we need to add one here.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index 5e594e27b2..ab10e878fc 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -758,7 +758,7 @@ int arch_domain_create(struct domain *d, unsigned int 
domcr_flags,
         if ( (rc = hvm_domain_initialise(d)) != 0 )
             goto fail;
     }
-    else
+    else if ( !is_idle_domain(d) )
     {
         /* 64-bit PV guest by default. */
         d->arch.is_32bit_pv = d->arch.has_32bit_shinfo = 0;
--
generated by git-patchbot for /home/xen/git/xen.git#staging-4.8

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