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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-04-14 13:22:37 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-04-14 13:22:37 +0100
commit6967963d6d5cac40a091d075326f0e3ccb95c58a (patch)
treea9c29ac6450a7d1dc815f9d97f726ecd59271812 /include/linux/smp.h
parent9b1a88c7105f593cc61a7acd3c51fcf4bf7b8038 (diff)
parent34e51ce60a210094bd66cf0a75dd8512247618ca (diff)
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Merge branch 'for-2.6.30' into for-2.6.31
Diffstat (limited to 'include/linux/smp.h')
-rw-r--r--include/linux/smp.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 715196b09d6..a69db820eed 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -38,7 +38,7 @@ int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
/*
* main cross-CPU interfaces, handles INIT, TLB flush, STOP, etc.
* (defined in asm header):
- */
+ */
/*
* stops all CPUs but the current one:
@@ -82,7 +82,8 @@ smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
return 0;
}
-void __smp_call_function_single(int cpuid, struct call_single_data *data);
+void __smp_call_function_single(int cpuid, struct call_single_data *data,
+ int wait);
/*
* Generic and arch helpers
@@ -121,6 +122,8 @@ extern unsigned int setup_max_cpus;
#else /* !SMP */
+static inline void smp_send_stop(void) { }
+
/*
* These macros fold the SMP functionality into a single CPU system
*/
@@ -176,6 +179,12 @@ static inline void init_call_single_data(void)
#define put_cpu() preempt_enable()
#define put_cpu_no_resched() preempt_enable_no_resched()
+/*
+ * Callback to arch code if there's nosmp or maxcpus=0 on the
+ * boot command line:
+ */
+extern void arch_disable_smp_support(void);
+
void smp_setup_processor_id(void);
#endif /* __LINUX_SMP_H */