[Xen-devel] [PATCH] x86/apic: Remove redundant LVR read in init_bsp_APIC()

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

'ver' became unused by c/s 0b964c0c7 "x86/LAPIC: drop support for
non-integrated APIC", which in turn makes the LVR read redundant.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Keir Fraser <keir@xxxxxxx>
CC: Jan Beulich <JBeulich@xxxxxxxx>
---
 xen/arch/x86/apic.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/xen/arch/x86/apic.c b/xen/arch/x86/apic.c
index 1de693f..39cd9e5 100644
--- a/xen/arch/x86/apic.c
+++ b/xen/arch/x86/apic.c
@@ -434,7 +434,7 @@ void __init sync_Arb_IDs(void)
  */
 void __init init_bsp_APIC(void)
 {
-    unsigned long value, ver;
+    unsigned long value;
 
     /*
      * Don't do the setup now if we have a SMP BIOS as the
@@ -443,9 +443,6 @@ void __init init_bsp_APIC(void)
     if (smp_found_config || !cpu_has_apic)
         return;
 
-    value = apic_read(APIC_LVR);
-    ver = GET_APIC_VERSION(value);
-    
     /*
      * Do not trust the local APIC being empty at bootup.
      */
-- 
1.7.10.4


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