[PATCH 01/20] powerpc: Use call_rcu_sched() for pagetables

Peter Zijlstra
2010-08-28T14:28:08Z

[-- Attachment #1: powerpc-pgtable-call_rcu_sched.patch --]
[-- Type: text/plain, Size: 897 bytes --]

PowerPC relies on IRQ-disable to guard against RCU quiecent states,
use the appropriate RCU call version.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/powerpc/mm/pgtable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/powerpc/mm/pgtable.c
===================================================================
--- linux-2.6.orig/arch/powerpc/mm/pgtable.c
+++ linux-2.6/arch/powerpc/mm/pgtable.c
@@ -92,7 +92,7 @@ static void pte_free_rcu_callback(struct

static void pte_free_submit(struct pte_freelist_batch *batch)
{
- call_rcu(&batch->rcu, pte_free_rcu_callback);
+ call_rcu_sched(&batch->rcu, pte_free_rcu_callback);
}

void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift)