From: David Daney <[email protected]> The SMP version of this function doesn't unconditionally enable irqs, so neither should this !SMP version. There are no know problems caused by this, but we make the change for consistency's sake.
Signed-off-by: David Daney <[email protected]> --- kernel/up.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/kernel/up.c b/kernel/up.c index 144e572..b1cf036 100644 --- a/kernel/up.c +++ b/kernel/up.c @@ -10,11 +10,13 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int wait) { + unsigned long flags; + WARN_ON(cpu != 0); - local_irq_disable(); - (func)(info); - local_irq_enable(); + local_irq_save(flags); + func(info); + local_irq_restore(flags); return 0; } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
