| commit | 649c6653fa94ec8f3ea32b19c97b790ec4e8e4ac | [log] [tgz] |
|---|---|---|
| author | Thomas Gleixner <tglx@linutronix.de> | Sun Oct 05 16:52:24 2008 +0200 |
| committer | Ingo Molnar <mingo@elte.hu> | Mon Oct 13 10:33:46 2008 +0200 |
| tree | a6c3c0f48147ebcd9eca8d5e0e188f36477705e9 | |
| parent | 8a541665b9063c5006b370d4488cf9f6beb6083f [diff] |
x86: improve UP kernel when CPU-hotplug and SMP is enabled num_possible_cpus() can be > 1 when disabled CPUs have been accounted. Disabled CPUs are not in the cpu_present_map, so we can use num_present_cpus() as a safe indicator to switch to UP alternatives. Reported-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>