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[Xen-changelog] [xen master] x86/PV: drop pointless conditional from pv_cpuid()'s state leaf logic



commit 6a611ac26e32df3e8139551c52cd2b7ad92839d1
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Jun 9 15:49:52 2016 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Jun 9 15:49:52 2016 +0200

    x86/PV: drop pointless conditional from pv_cpuid()'s state leaf logic
    
    In the control/hardware domain case without it we simply re-read the
    same value that was put into b near the top of the function.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/traps.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index 1b42841..f604b89 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -1119,8 +1119,7 @@ void pv_cpuid(struct cpu_user_regs *regs)
              * domain policy.  It varies with enabled xstate, and the correct
              * xcr0 is in context.
              */
-            if ( !is_control_domain(currd) && !is_hardware_domain(currd) )
-                cpuid_count(leaf, subleaf, &tmp, &b, &tmp, &tmp);
+            cpuid_count(leaf, subleaf, &tmp, &b, &tmp, &tmp);
             break;
         }
 
--
generated by git-patchbot for /home/xen/git/xen.git#master

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