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Diffstat (limited to 'arch/powerpc/include/asm/cputhreads.h')
-rw-r--r--arch/powerpc/include/asm/cputhreads.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h
index ce516e5eb0d..2bf8e9307be 100644
--- a/arch/powerpc/include/asm/cputhreads.h
+++ b/arch/powerpc/include/asm/cputhreads.h
@@ -9,7 +9,7 @@
* Note: This implementation is limited to a power of 2 number of
* threads per core and the same number for each core in the system
* (though it would work if some processors had less threads as long
- * as the CPU numbers are still allocated, just not brought offline).
+ * as the CPU numbers are still allocated, just not brought online).
*
* However, the API allows for a different implementation in the future
* if needed, as long as you only use the functions and not the variables
@@ -18,10 +18,12 @@
#ifdef CONFIG_SMP
extern int threads_per_core;
+extern int threads_per_subcore;
extern int threads_shift;
extern cpumask_t threads_core_mask;
#else
#define threads_per_core 1
+#define threads_per_subcore 1
#define threads_shift 0
#define threads_core_mask (CPU_MASK_CPU0)
#endif
@@ -74,6 +76,11 @@ static inline int cpu_thread_in_core(int cpu)
return cpu & (threads_per_core - 1);
}
+static inline int cpu_thread_in_subcore(int cpu)
+{
+ return cpu & (threads_per_subcore - 1);
+}
+
static inline int cpu_first_thread_sibling(int cpu)
{
return cpu & ~(threads_per_core - 1);