From a5a391561bc25898ba1a702a0c4b028aa5b11ce9 Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Thu, 14 Jun 2012 09:49:35 +0200 Subject: x86/apic: Eliminate cpu_mask_to_apicid() operation Since there are only two locations where cpu_mask_to_apicid() is called from, remove the operation and use only cpu_mask_to_apicid_and() instead. Signed-off-by: Alexander Gordeev Suggested-and-acked-by: Suresh Siddha Acked-by: Yinghai Lu Link: http://lkml.kernel.org/r/20120614074935.GE3383@dhcp-26-207.brq.redhat.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic/x2apic_uv_x.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-) (limited to 'arch/x86/kernel/apic/x2apic_uv_x.c') diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 307aa076bd6..026de0114d1 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -269,27 +269,6 @@ static void uv_init_apic_ldr(void) { } -static inline int __uv_cpu_to_apicid(int cpu, unsigned int *apicid) -{ - if (likely((unsigned int)cpu < nr_cpu_ids)) { - *apicid = per_cpu(x86_cpu_to_apicid, cpu) | uv_apicid_hibits; - return 0; - } else { - return -EINVAL; - } -} - -static int -uv_cpu_mask_to_apicid(const struct cpumask *cpumask, unsigned int *apicid) -{ - /* - * We're using fixed IRQ delivery, can only return one phys APIC ID. - * May as well be the first. - */ - int cpu = cpumask_first_and(cpumask, cpu_online_mask); - return __uv_cpu_to_apicid(cpu, apicid); -} - static int uv_cpu_mask_to_apicid_and(const struct cpumask *cpumask, const struct cpumask *andmask, @@ -306,7 +285,12 @@ uv_cpu_mask_to_apicid_and(const struct cpumask *cpumask, break; } - return __uv_cpu_to_apicid(cpu, apicid); + if (likely((unsigned int)cpu < nr_cpu_ids)) { + *apicid = per_cpu(x86_cpu_to_apicid, cpu) | uv_apicid_hibits; + return 0; + } else { + return -EINVAL; + } } static unsigned int x2apic_get_apic_id(unsigned long x) @@ -384,7 +368,6 @@ static struct apic __refdata apic_x2apic_uv_x = { .set_apic_id = set_apic_id, .apic_id_mask = 0xFFFFFFFFu, - .cpu_mask_to_apicid = uv_cpu_mask_to_apicid, .cpu_mask_to_apicid_and = uv_cpu_mask_to_apicid_and, .send_IPI_mask = uv_send_IPI_mask, -- cgit v1.2.3-18-g5258