diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2007-05-23 13:57:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-23 20:14:11 -0700 |
| commit | 72fcde966252abd17d70e4e216a0411a34523a8f (patch) | |
| tree | 26980418ed1a6d6f528ca7681f420d48e2cb7842 /kernel/spinlock.c | |
| parent | 88f18ba028b5939bb6f77bd690e5ad8d01bb24cc (diff) | |
Ignore bogus ACPI info for offline CPUs
Booting a SMP kernel with maxcpus=1 on a SMP system leads to a hard hang,
because ACPI ignores the maxcpus setting and sends timer broadcast info for
the offline CPUs. This results in a stuck for ever call to
smp_call_function_single() on an offline CPU.
Ignore the bogus information and print a kernel error to remind ACPI
folks to fix it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/spinlock.c')
0 files changed, 0 insertions, 0 deletions