powerpc: Fix early boot accounting of CPUs
smp_release_cpus() waits for all cpus (including the bootcpu) due to an
off-by-one count on boot_cpu_count (which is all CPUs). This patch replaces
that with spinning_secondaries (which is all secondary CPUs).
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index a88bf27..0576919 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -73,7 +73,7 @@
#endif
int boot_cpuid = 0;
-int __initdata boot_cpu_count;
+int __initdata spinning_secondaries;
u64 ppc64_pft_size;
/* Pick defaults since we might want to patch instructions
@@ -253,11 +253,11 @@
for (i = 0; i < 100000; i++) {
mb();
HMT_low();
- if (boot_cpu_count == 0)
+ if (spinning_secondaries == 0)
break;
udelay(1);
}
- DBG("boot_cpu_count = %d\n", boot_cpu_count);
+ DBG("spinning_secondaries = %d\n", spinning_secondaries);
DBG(" <- smp_release_cpus()\n");
}