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author | Suresh Siddha <suresh.b.siddha@intel.com> | 2011-05-19 16:45:47 -0700 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-05-20 13:41:06 +0200 |
commit | a27d0b5e7d913b38880678ac05690f1dc737c4fd (patch) | |
tree | 56957d475688c61171b505200b3144c213b77c6e /arch/x86/kernel/apic | |
parent | 9ebd680bd029a9fc47399ca61c950f8b6730ac40 (diff) | |
download | kernel_samsung_smdk4412-a27d0b5e7d913b38880678ac05690f1dc737c4fd.zip kernel_samsung_smdk4412-a27d0b5e7d913b38880678ac05690f1dc737c4fd.tar.gz kernel_samsung_smdk4412-a27d0b5e7d913b38880678ac05690f1dc737c4fd.tar.bz2 |
x86, x2apic: Remove duplicate code for IPI mask routines
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.337024125@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r-- | arch/x86/kernel/apic/x2apic_cluster.c | 48 | ||||
-rw-r--r-- | arch/x86/kernel/apic/x2apic_phys.c | 45 |
2 files changed, 31 insertions, 62 deletions
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 2967bab..b261799 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -54,64 +54,48 @@ static void * at once. We have 16 cpu's in a cluster. This will minimize IPI register * writes. */ -static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) +static void +__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) { unsigned long query_cpu; + unsigned long this_cpu; unsigned long flags; x2apic_wrmsr_fence(); local_irq_save(flags); + + this_cpu = smp_processor_id(); for_each_cpu(query_cpu, mask) { + if (apic_dest == APIC_DEST_ALLBUT && query_cpu == this_cpu) + continue; __x2apic_send_IPI_dest( per_cpu(x86_cpu_to_logical_apicid, query_cpu), vector, apic->dest_logical); } + local_irq_restore(flags); } +static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) +{ + __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLINC); +} + static void x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) { - unsigned long this_cpu = smp_processor_id(); - unsigned long query_cpu; - unsigned long flags; - - x2apic_wrmsr_fence(); - - local_irq_save(flags); - for_each_cpu(query_cpu, mask) { - if (query_cpu == this_cpu) - continue; - __x2apic_send_IPI_dest( - per_cpu(x86_cpu_to_logical_apicid, query_cpu), - vector, apic->dest_logical); - } - local_irq_restore(flags); + __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_allbutself(int vector) { - unsigned long this_cpu = smp_processor_id(); - unsigned long query_cpu; - unsigned long flags; - - x2apic_wrmsr_fence(); - - local_irq_save(flags); - for_each_online_cpu(query_cpu) { - if (query_cpu == this_cpu) - continue; - __x2apic_send_IPI_dest( - per_cpu(x86_cpu_to_logical_apicid, query_cpu), - vector, apic->dest_logical); - } - local_irq_restore(flags); + __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_all(int vector) { - x2apic_send_IPI_mask(cpu_online_mask, vector); + __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); } static int x2apic_apic_id_registered(void) diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 8f21771..6ef49e3 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -55,61 +55,46 @@ static void __x2apic_send_IPI_dest(unsigned int apicid, int vector, native_x2apic_icr_write(cfg, apicid); } -static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) +static void +__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) { unsigned long query_cpu; + unsigned long this_cpu; unsigned long flags; x2apic_wrmsr_fence(); local_irq_save(flags); + + this_cpu = smp_processor_id(); for_each_cpu(query_cpu, mask) { + if (apic_dest == APIC_DEST_ALLBUT && this_cpu == query_cpu) + continue; __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu), vector, APIC_DEST_PHYSICAL); } local_irq_restore(flags); } +static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector) +{ + __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLINC); +} + static void x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector) { - unsigned long this_cpu = smp_processor_id(); - unsigned long query_cpu; - unsigned long flags; - - x2apic_wrmsr_fence(); - - local_irq_save(flags); - for_each_cpu(query_cpu, mask) { - if (query_cpu != this_cpu) - __x2apic_send_IPI_dest( - per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); - } - local_irq_restore(flags); + __x2apic_send_IPI_mask(mask, vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_allbutself(int vector) { - unsigned long this_cpu = smp_processor_id(); - unsigned long query_cpu; - unsigned long flags; - - x2apic_wrmsr_fence(); - - local_irq_save(flags); - for_each_online_cpu(query_cpu) { - if (query_cpu == this_cpu) - continue; - __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu), - vector, APIC_DEST_PHYSICAL); - } - local_irq_restore(flags); + __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT); } static void x2apic_send_IPI_all(int vector) { - x2apic_send_IPI_mask(cpu_online_mask, vector); + __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC); } static int x2apic_apic_id_registered(void) |