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[SPARC64]: Fix {mc,smt}_capable().

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It's not just sun4v hypervisor platforms that should return true
for this, sun4u with UltraSPARC-IV should return true too.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-06-04 21:48:33 -07:00 • committed by David S. Miller
commit a2f9f6bbb3
5 changed files with 12 additions and 4 deletions
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4
arch/sparc64/kernel/mdesc.c
View file

@ -624,6 +624,10 @@ static void __init mdesc_fill_in_cpu_data(void)
c->proc_id = -1;
}
#ifdef CONFIG_SMP
sparc64_multi_core = 1;
#endif
set_core_ids();
set_proc_ids();

3
arch/sparc64/kernel/prom.c
View file

@ -1782,6 +1782,9 @@ static void __init of_fill_in_cpu_data(void)
cpu_data(cpuid).core_id = portid + 1;
cpu_data(cpuid).proc_id = portid;
#ifdef CONFIG_SMP
sparc64_multi_core = 1;
#endif
} else {
cpu_data(cpuid).dcache_size =
of_getintprop_default(dp, "dcache-size", 16 * 1024);

2
arch/sparc64/kernel/smp.c
View file

@ -44,6 +44,8 @@
extern void calibrate_delay(void);
int sparc64_multi_core __read_mostly;
/* Please don't make this stuff initdata!!! --DaveM */
unsigned char boot_cpu_id;

1
include/asm-sparc64/smp.h
View file

@ -34,6 +34,7 @@ extern cpumask_t phys_cpu_present_map;
extern cpumask_t cpu_sibling_map[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
extern int sparc64_multi_core;
/*
* General functions that each host system must provide.

6
include/asm-sparc64/topology.h
View file

@ -2,14 +2,12 @@
#define _ASM_SPARC64_TOPOLOGY_H
#ifdef CONFIG_SMP
#include <asm/spitfire.h>
#define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id)
#define topology_core_id(cpu) (cpu_data(cpu).core_id)
#define topology_core_siblings(cpu) (cpu_core_map[cpu])
#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
#define mc_capable() (tlb_type == hypervisor)
#define smt_capable() (tlb_type == hypervisor)
#define mc_capable() (sparc64_multi_core)
#define smt_capable() (sparc64_multi_core)
#endif /* CONFIG_SMP */
#include <asm-generic/topology.h>