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| author | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
| commit | c4366889dda8110247be59ca41fddb82951a8c26 (patch) | |
| tree | 705c1a996bed8fd48ce94ff33ec9fd00f9b94875 /arch/i386/kernel/topology.c | |
| parent | db2fb9db5735cc532fd4fc55e94b9a3c3750378e (diff) | |
| parent | e1036502e5263851259d147771226161e5ccc85a (diff) | |
| download | lwn-c4366889dda8110247be59ca41fddb82951a8c26.tar.gz lwn-c4366889dda8110247be59ca41fddb82951a8c26.zip | |
Merge ../linus
Conflicts:
drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/i386/kernel/topology.c')
| -rw-r--r-- | arch/i386/kernel/topology.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/i386/kernel/topology.c b/arch/i386/kernel/topology.c index 07d6da36a825..79cf608e14ca 100644 --- a/arch/i386/kernel/topology.c +++ b/arch/i386/kernel/topology.c @@ -40,14 +40,18 @@ int arch_register_cpu(int num) * restrictions and assumptions in kernel. This basically * doesnt add a control file, one cannot attempt to offline * BSP. + * + * Also certain PCI quirks require not to enable hotplug control + * for all CPU's. */ - if (!num) - cpu_devices[num].cpu.no_control = 1; + if (num && enable_cpu_hotplug) + cpu_devices[num].cpu.hotpluggable = 1; return register_cpu(&cpu_devices[num].cpu, num); } #ifdef CONFIG_HOTPLUG_CPU +int enable_cpu_hotplug = 1; void arch_unregister_cpu(int num) { return unregister_cpu(&cpu_devices[num].cpu); |