x86, hyperv: Move a variable to avoid an unused variable warning
authorH. Peter Anvin <hpa@zytor.com>
Wed, 6 Nov 2013 18:00:05 +0000 (10:00 -0800)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 6 Nov 2013 18:02:05 +0000 (10:02 -0800)
The variable hv_lapic_frequency causes an unused variable warning if
CONFIG_X86_LOCAL_APIC is disabled.  Since the variable is only used
inside a small if statement, move the declaration of that variable
into the if statement itself.

Cc: K. Y. Srinivasan <kys@microsoft.com>
Link: http://lkml.kernel.org/r/1381444224-3303-1-git-send-email-kys@microsoft.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
arch/x86/kernel/cpu/mshyperv.c

index 9f6e9f89d9d615f24e8c7eadca69b6933c8a7a22..9f7ca266864a47cbb5484fead33a063d48f01f27 100644 (file)
@@ -70,8 +70,6 @@ static struct clocksource hyperv_cs = {
 
 static void __init ms_hyperv_init_platform(void)
 {
-       u64     hv_lapic_frequency;
-
        /*
         * Extract the features and hints
         */
@@ -86,6 +84,8 @@ static void __init ms_hyperv_init_platform(void)
                /*
                 * Get the APIC frequency.
                 */
+               u64     hv_lapic_frequency;
+
                rdmsrl(HV_X64_MSR_APIC_FREQUENCY, hv_lapic_frequency);
                hv_lapic_frequency = div_u64(hv_lapic_frequency, HZ);
                lapic_timer_frequency = hv_lapic_frequency;