apic_common: improve readability of apic_reset_common
authorDenis V. Lunev <den@openvz.org>
Tue, 7 Apr 2015 13:53:52 +0000 (16:53 +0300)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 30 Apr 2015 14:55:16 +0000 (16:55 +0200)
Replace call of cpu_is_bsp(s->cpu) which really returns
    !!(s->apicbase & MSR_IA32_APICBASE_BSP)
with directly collected value. Due to this the tracepoint
  trace_cpu_get_apic_base((uint64_t)s->apicbase);
will not be hit anymore in apic_reset_common.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Andreas Färber <afaerber@suse.de>
CC: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1428414832-3104-1-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hw/intc/apic_common.c

index d38d24b..d595d63 100644 (file)
@@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
 {
     APICCommonState *s = APIC_COMMON(dev);
     APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
-    bool bsp;
+    uint32_t bsp;
 
-    bsp = cpu_is_bsp(s->cpu);
-    s->apicbase = APIC_DEFAULT_ADDRESS |
-        (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
+    bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
+    s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
 
     s->vapic_paddr = 0;
     info->vapic_base_update(s);