Messages in this thread Patch in this message | | | From | hamo.by@gmail ... | Subject | [PATCH RFC] arm: Define cpu_logical_map when CONFIG_SMP is not set | Date | Thu, 5 Jan 2012 20:44:46 +0800 |
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From: Yang Bai <hamo.by@gmail.com>
If CONFIG_SMP is not set, define cpu_logical_map(cpu) as (cpu), this fixes the problem described in this mail: https://lkml.org/lkml/2012/1/2/142
Signed-off-by: Yang Bai <hamo.by@gmail.com> --- arch/arm/include/asm/smp.h | 12 ++++++++---- 1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index 1e5717a..0a06ead 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -10,14 +10,12 @@ #ifndef __ASM_ARM_SMP_H #define __ASM_ARM_SMP_H +#ifdef CONFIG_SMP + #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/thread_info.h> -#ifndef CONFIG_SMP -# error "<asm/smp.h> included in non-SMP build" -#endif - #define raw_smp_processor_id() (current_thread_info()->cpu) struct seq_file; @@ -99,4 +97,10 @@ extern void platform_cpu_enable(unsigned int cpu); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +#else + +#define cpu_logical_map(cpu) (cpu) + +#endif /* CONFIG_SMP */ + #endif /* ifndef __ASM_ARM_SMP_H */ -- 1.7.8.2
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