diff options
| author | David S. Miller <davem@hutch.davemloft.net> | 2007-06-05 04:01:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-06-05 08:50:00 +0400 |
| commit | f78eae2e6f5d1eb05f76a45486286445b916bd92 (patch) | |
| tree | 0fa81e104ad9891afcaf18cdcb413c4a0f2ee8da /include/asm-sparc64 | |
| parent | d887ab3a9b1899f88b8cfba531e726b5fb2ebd14 (diff) | |
| download | linux-f78eae2e6f5d1eb05f76a45486286445b916bd92.tar.xz | |
[SPARC64]: Proper multi-core scheduling support.
The scheduling domain hierarchy is:
all cpus -->
cpus that share an instruction cache -->
cpus that share an integer execution unit
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/cpudata.h | 2 | ||||
| -rw-r--r-- | include/asm-sparc64/smp.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc64/topology.h | 13 |
3 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h index 03c385de7619..445026fbec35 100644 --- a/include/asm-sparc64/cpudata.h +++ b/include/asm-sparc64/cpudata.h @@ -31,7 +31,7 @@ typedef struct { unsigned int ecache_size; unsigned int ecache_line_size; int core_id; - unsigned int __pad3; + int proc_id; } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index f76e1492add5..540021268684 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -33,6 +33,7 @@ extern cpumask_t phys_cpu_present_map; #define cpu_possible_map phys_cpu_present_map extern cpumask_t cpu_sibling_map[NR_CPUS]; +extern cpumask_t cpu_core_map[NR_CPUS]; /* * General functions that each host system must provide. diff --git a/include/asm-sparc64/topology.h b/include/asm-sparc64/topology.h index e0d450d600ec..4880f7ca0b60 100644 --- a/include/asm-sparc64/topology.h +++ b/include/asm-sparc64/topology.h @@ -1,12 +1,19 @@ #ifndef _ASM_SPARC64_TOPOLOGY_H #define _ASM_SPARC64_TOPOLOGY_H +#ifdef CONFIG_SMP #include <asm/spitfire.h> -#define smt_capable() (tlb_type == hypervisor) - -#include <asm-generic/topology.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) +#endif /* CONFIG_SMP */ + +#include <asm-generic/topology.h> + +#define cpu_coregroup_map(cpu) (cpu_core_map[cpu]) #endif /* _ASM_SPARC64_TOPOLOGY_H */ |