[PATCH 4/8] x86: apic_64.c - add sanity check for spurious vector definition

From: Cyrill Gorcunov
Date: Sat Aug 23 2008 - 09:02:03 EST


Do not check for SPUTIOUS_APIC_VECTOR definition twice.
Check it once - is what we need.

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
---
arch/x86/kernel/apic_64.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 03641d7..b220726 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -45,6 +45,13 @@
#include <mach_ipi.h>
#include <mach_apic.h>

+/*
+ * Sanity check
+ */
+#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F)
+# error SPURIOUS_APIC_VECTOR definition error
+#endif
+
/* Disable local APIC timer from the kernel commandline or via dmi quirk */
static int disable_apic_timer __cpuinitdata;
static int apic_calibrate_pmtmr __initdata;
@@ -929,8 +936,6 @@ void __cpuinit setup_local_APIC(void)
preempt_disable();
value = apic_read(APIC_LVR);

- BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f);
-
/*
* Double-check whether this APIC is really registered.
* This is meaningless in clustered apic mode, so we skip it.
--
1.6.0.6.gc667

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