[PATCH 2/3] x86: use default_cpu_mask_to_apicid for 64bit

From: Yinghai Lu
Date: Tue Mar 24 2009 - 17:19:33 EST



Impact: cleanup

use online_mask directly with 64bit too.

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>

---
arch/x86/include/asm/apic.h | 20 ++++++++++----------
arch/x86/kernel/apic/apic_flat_64.c | 18 ++----------------
2 files changed, 12 insertions(+), 26 deletions(-)

Index: linux-2.6/arch/x86/include/asm/apic.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/apic.h
+++ linux-2.6/arch/x86/include/asm/apic.h
@@ -489,10 +489,19 @@ static inline int default_apic_id_regist
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 str
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);
Index: linux-2.6/arch/x86/kernel/apic/apic_flat_64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/apic/apic_flat_64.c
+++ linux-2.6/arch/x86/kernel/apic/apic_flat_64.c
@@ -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,
--
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