bool
default X86_64
-config ARCH_SETS_UP_PER_CPU_AREA
+config HAVE_SETUP_PER_CPU_AREA
def_bool X86_64
config ARCH_SUPPORTS_OPROFILE
#endif
/*
- * A percpu variable may point to a discarded reghions. The following are
+ * A percpu variable may point to a discarded regions. The following are
* established ways to produce a usable pointer from the percpu variable
* offset.
*/
(*SHIFT_PERCPU_PTR(&per_cpu_var(var), __my_cpu_offset))
-#ifdef CONFIG_ARCH_SETS_UP_PER_CPU_AREA
+#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
extern void setup_per_cpu_areas(void);
#endif
-/* A macro to avoid #include hell... */
-#define percpu_modcopy(pcpudst, src, size) \
-do { \
- unsigned int __i; \
- for_each_possible_cpu(__i) \
- memcpy((pcpudst)+per_cpu_offset(__i), \
- (src), (size)); \
-} while (0)
#else /* ! SMP */
#define per_cpu(var, cpu) (*((void)(cpu), &per_cpu_var(var)))
#else
-#ifndef CONFIG_ARCH_SETS_UP_PER_CPU_AREA
+#ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA
unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(__per_cpu_offset);
ptr += size;
}
}
-#endif /* CONFIG_ARCH_SETS_UP_CPU_AREA */
+#endif /* CONFIG_HAVE_SETUP_PER_CPU_AREA */
/* Called by boot processor to activate the rest. */
static void __init smp_init(void)
return find_sec(hdr, sechdrs, secstrings, ".data.percpu");
}
+static void percpu_modcopy(void *pcpudest, const void *from, unsigned long size)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ memcpy(pcpudest + per_cpu_offset(cpu), from, size);
+}
+
static int percpu_modinit(void)
{
pcpu_num_used = 2;