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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:31:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-11 16:31:41 -0800
commit5a62f995446be44811fefa48f91f9efb7ea172d7 (patch)
treee297371f0d513dc6278bb67d582d2216eb7d74ed /arch/powerpc/include/asm/cputhreads.h
parentf1d6d6cd9029daa7e7d4a0b14347b5392320f22a (diff)
parent5d7d8072edc11080a7cf6cc37c9f4e61ca1e93c9 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (72 commits) powerpc/pseries: Fix build of topology stuff without CONFIG_NUMA powerpc/pseries: Fix VPHN build errors on non-SMP systems powerpc/83xx: add mpc8308_p1m DMA controller device-tree node powerpc/83xx: add DMA controller to mpc8308 device-tree node powerpc/512x: try to free dma descriptors in case of allocation failure powerpc/512x: add MPC8308 dma support powerpc/512x: fix the hanged dma transfer issue powerpc/512x: scatter/gather dma fix powerpc/powermac: Make auto-loading of therm_pm72 possible of/address: Use propper endianess in get_flags powerpc/pci: Use printf extension %pR for struct resource powerpc: Remove unnecessary casts of void ptr powerpc: Disable VPHN polling during a suspend operation powerpc/pseries: Poll VPA for topology changes and update NUMA maps powerpc: iommu: Add device name to iommu error printks powerpc: Record vma->phys_addr in ioremap() powerpc: Update compat_arch_ptrace powerpc: Fix PPC_PTRACE_SETHWDEBUG on PPC_BOOK3S powerpc/time: printk time stamp init not correct powerpc: Minor cleanups for machdep.h ...
Diffstat (limited to 'arch/powerpc/include/asm/cputhreads.h')
-rw-r--r--arch/powerpc/include/asm/cputhreads.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h
index a8e18447c62..f71bb4c118b 100644
--- a/arch/powerpc/include/asm/cputhreads.h
+++ b/arch/powerpc/include/asm/cputhreads.h
@@ -61,22 +61,25 @@ static inline cpumask_t cpu_online_cores_map(void)
return cpu_thread_mask_to_cores(cpu_online_map);
}
-static inline int cpu_thread_to_core(int cpu)
-{
- return cpu >> threads_shift;
-}
+#ifdef CONFIG_SMP
+int cpu_core_index_of_thread(int cpu);
+int cpu_first_thread_of_core(int core);
+#else
+static inline int cpu_core_index_of_thread(int cpu) { return cpu; }
+static inline int cpu_first_thread_of_core(int core) { return core; }
+#endif
static inline int cpu_thread_in_core(int cpu)
{
return cpu & (threads_per_core - 1);
}
-static inline int cpu_first_thread_in_core(int cpu)
+static inline int cpu_first_thread_sibling(int cpu)
{
return cpu & ~(threads_per_core - 1);
}
-static inline int cpu_last_thread_in_core(int cpu)
+static inline int cpu_last_thread_sibling(int cpu)
{
return cpu | (threads_per_core - 1);
}