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| author | David S. Miller <davem@hutch.davemloft.net> | 2007-06-04 21:48:33 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-06-04 21:50:05 -0700 |
| commit | a2f9f6bbb30e60ee9f9f83cede960123a65876a2 (patch) | |
| tree | 84388015bd5ba7c4d01fc256d8fb6a2f3d2a93a9 | |
| parent | 5cd342df96e911fb8135fb3d58f33c2c5af9ffab (diff) | |
| download | op-kernel-dev-a2f9f6bbb30e60ee9f9f83cede960123a65876a2.zip op-kernel-dev-a2f9f6bbb30e60ee9f9f83cede960123a65876a2.tar.gz | |
[SPARC64]: Fix {mc,smt}_capable().
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>
| -rw-r--r-- | arch/sparc64/kernel/mdesc.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/prom.c | 3 | ||||
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 2 | ||||
| -rw-r--r-- | include/asm-sparc64/smp.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc64/topology.h | 6 |
5 files changed, 12 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c index 1b5db4b..f0e16045 100644 --- a/arch/sparc64/kernel/mdesc.c +++ b/arch/sparc64/kernel/mdesc.c @@ -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(); diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index 172387d..6f4a528 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -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); diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 68a45ac..4dcd7d0 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -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; diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index 5400212..4fb8c4b 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -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. diff --git a/include/asm-sparc64/topology.h b/include/asm-sparc64/topology.h index 4880f7c..290ac75 100644 --- a/include/asm-sparc64/topology.h +++ b/include/asm-sparc64/topology.h @@ -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> |
