diff options
| author | Matt Evans <matt@ozlabs.org> | 2011-05-25 18:09:12 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-06-17 16:19:51 +1000 |
| commit | 7ac87abb8166b99584149fcfb2efef5773a078e9 (patch) | |
| tree | 626ccec24e00720ada0bd8f967922d935f0eeca8 /arch/powerpc/kernel/setup_64.c | |
| parent | 32d206eb5637d8cf73d9c70f7680de2a7193ce8b (diff) | |
| download | linux-7ac87abb8166b99584149fcfb2efef5773a078e9.tar.gz linux-7ac87abb8166b99584149fcfb2efef5773a078e9.tar.bz2 linux-7ac87abb8166b99584149fcfb2efef5773a078e9.zip | |
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>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a88bf2713d41..05769190e7f1 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 @@ void smp_release_cpus(void) 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"); } |