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Code Issues Releases Wiki Activity

x86: use default_cpu_mask_to_apicid for 64bit

Browse source 
Impact: cleanup

Use online_mask directly on 64bit too.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
LKML-Reference: <49C94DAE.9070300@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-03-24 14:16:30 -07:00 committed by Ingo Molnar
parent fa74c90733
commit f56e503412
2 changed files with 12 additions and 26 deletions
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20
arch/x86/include/asm/apic.h
View file

@ -489,10 +489,19 @@ static inline int default_apic_id_registered(void)
return physid_isset(read_apic_id(), phys_cpu_present_map);
}
static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
extern int default_apicid_to_node(int logical_apicid);
#endif
static inline unsigned int
default_cpu_mask_to_apicid(const struct cpumask *cpumask)
{
return cpumask_bits(cpumask)[0];
return cpumask_bits(cpumask)[0] & APIC_ALL_CPUS;
}
static inline unsigned int
@ -506,15 +515,6 @@ default_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
return (unsigned int)(mask1 & mask2 & mask3);
}
static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
extern int default_apicid_to_node(int logical_apicid);
#endif
static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid)
{
return physid_isset(apicid, bitmap);

18
arch/x86/kernel/apic/apic_flat_64.c
View file

@ -159,20 +159,6 @@ static int flat_apic_id_registered(void)
return physid_isset(read_xapic_id(), phys_cpu_present_map);
}
static unsigned int flat_cpu_mask_to_apicid(const struct cpumask *cpumask)
{
return cpumask_bits(cpumask)[0] & APIC_ALL_CPUS;
}
static unsigned int flat_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask)
{
unsigned long mask1 = cpumask_bits(cpumask)[0] & APIC_ALL_CPUS;
unsigned long mask2 = cpumask_bits(andmask)[0] & APIC_ALL_CPUS;
return mask1 & mask2;
}
static int flat_phys_pkg_id(int initial_apic_id, int index_msb)
{
return hard_smp_processor_id() >> index_msb;
@ -213,8 +199,8 @@ struct apic apic_flat = {
.set_apic_id = set_apic_id,
.apic_id_mask = 0xFFu << 24,
.cpu_mask_to_apicid = flat_cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and,
.cpu_mask_to_apicid = default_cpu_mask_to_apicid,
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and,
.send_IPI_mask = flat_send_IPI_mask,
.send_IPI_mask_allbutself = flat_send_IPI_mask_allbutself,