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| author | Roel Kluin <roel.kluin@gmail.com> | 2010-01-07 15:35:42 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-01-07 20:50:06 +0100 |
| commit | 99659a929d653d0c9ce458091870544768add871 (patch) | |
| tree | 6241aa3810e7cd6b1c0ee304414b4438d452398c /arch/x86/kernel | |
| parent | x86, uv: uv_global_gru_mmr_address() macro fix (diff) | |
| download | linux-99659a929d653d0c9ce458091870544768add871.tar.xz linux-99659a929d653d0c9ce458091870544768add871.zip | |
x86, uv: Remove recursion in uv_heartbeat_enable()
The recursion is not needed and does not improve readability.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
LKML-Reference: <4B45F13E.3040202@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index af5d103bb533..d199dc34f54a 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -475,7 +475,7 @@ static void uv_heartbeat(unsigned long ignored) static void __cpuinit uv_heartbeat_enable(int cpu) { - if (!uv_cpu_hub_info(cpu)->scir.enabled) { + while (!uv_cpu_hub_info(cpu)->scir.enabled) { struct timer_list *timer = &uv_cpu_hub_info(cpu)->scir.timer; uv_set_cpu_scir_bits(cpu, SCIR_CPU_HEARTBEAT|SCIR_CPU_ACTIVITY); @@ -483,11 +483,10 @@ static void __cpuinit uv_heartbeat_enable(int cpu) timer->expires = jiffies + SCIR_CPU_HB_INTERVAL; add_timer_on(timer, cpu); uv_cpu_hub_info(cpu)->scir.enabled = 1; - } - /* check boot cpu */ - if (!uv_cpu_hub_info(0)->scir.enabled) - uv_heartbeat_enable(0); + /* also ensure that boot cpu is enabled */ + cpu = 0; + } } #ifdef CONFIG_HOTPLUG_CPU |