From 76d479a7caff58b1e5f31d80805f7f65f9177696 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Tue, 8 Mar 2011 14:57:26 +1100 Subject: [PATCH] powerpc/pmac/smp: Remove no-longer needed preempt workaround The generic code properly re-initializes the preempt count in the idle thread now Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/powermac/smp.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index ce5b4f5..a830c5e 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -951,13 +951,6 @@ static void pmac_cpu_die(void) smp_wmb(); /* - * during the path that leads here preemption is disabled, - * reenable it now so that when coming up preempt count is - * zero correctly - */ - preempt_enable(); - - /* * Re-enable interrupts. The NAP code needs to enable them * anyways, do it now so we deal with the case where one already * happened while soft-disabled. -- 2.7.4