From: Peter Zijlstra Subject: [PATCH 01/28] powerpc: Use call_rcu_sched() for pagetables Date: Mon, 07 Jun 2010 13:06:55 +0200 Message-ID: <20100607111406.477271904@chello.nl> References: <20100607110654.606530953@chello.nl> Return-path: Content-Disposition: inline; filename=powerpc-pgtable-call_rcu_sched.patch Sender: linux-kernel-owner@vger.kernel.org To: Andrea Arcangeli , Avi Kivity , Thomas Gleixner , Rik van Riel , Ingo Molnar , akpm@linux-fou Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Benjamin Herrenschmidt , David Miller , Hugh Dickins , Mel Gorman , Nick Piggin , Peter Zijlstra , "Paul E. McKenney" List-Id: linux-arch.vger.kernel.org PowerPC relies on IRQ-disable to guard against RCU quiecent states, use the appropriate RCU call version. Cc: Benjamin Herrenschmidt Cc: Nick Piggin Cc: Paul E. McKenney Signed-off-by: Peter Zijlstra --- 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 @@ -93,7 +93,7 @@ static void pte_free_rcu_callback(struct static void pte_free_submit(struct pte_freelist_batch *batch) { INIT_RCU_HEAD(&batch->rcu); - 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)