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author | H. Peter Anvin <hpa@zytor.com> | 2013-11-06 10:00:05 -0800 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2013-11-06 10:02:05 -0800 |
commit | 4c08edd305019061bf1ac95ce089497bdbb8b8ac (patch) | |
tree | 4c558f44f1d493c51ab9546ea9a17110b0762dd1 /arch/x86/kernel/cpu/mshyperv.c | |
parent | d68ce0177c1e51fb332369e0c99852a6d05668af (diff) | |
download | op-kernel-dev-4c08edd305019061bf1ac95ce089497bdbb8b8ac.zip op-kernel-dev-4c08edd305019061bf1ac95ce089497bdbb8b8ac.tar.gz |
x86, hyperv: Move a variable to avoid an unused variable warning
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>
Diffstat (limited to 'arch/x86/kernel/cpu/mshyperv.c')
-rw-r--r-- | arch/x86/kernel/cpu/mshyperv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 9f6e9f8..9f7ca26 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -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; |