From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: [PATCH 01/20] powerpc: Use call_rcu_sched() for pagetables Date: Sat, 28 Aug 2010 16:16:38 +0200 Message-ID: <20100828142455.464074954@chello.nl> References: <20100828141637.421594670@chello.nl> Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:47745 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753514Ab0H1O1n (ORCPT ); Sat, 28 Aug 2010 10:27:43 -0400 Content-Disposition: inline; filename=powerpc-pgtable-call_rcu_sched.patch Sender: linux-arch-owner@vger.kernel.org List-ID: 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 McKenney , Yanmin Zhang , Stephen Rothwell 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 @@ -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) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([18.85.46.34]:47745 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753514Ab0H1O1n (ORCPT ); Sat, 28 Aug 2010 10:27:43 -0400 Message-ID: <20100828142455.464074954@chello.nl> Date: Sat, 28 Aug 2010 16:16:38 +0200 From: Peter Zijlstra Subject: [PATCH 01/20] powerpc: Use call_rcu_sched() for pagetables References: <20100828141637.421594670@chello.nl> Content-Disposition: inline; filename=powerpc-pgtable-call_rcu_sched.patch Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andrea Arcangeli , Avi Kivity , Thomas Gleixner , Rik van Riel , Ingo Molnar , akpm@linux-foundation.org, Linus Torvalds Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Benjamin Herrenschmidt , David Miller , Hugh Dickins , Mel Gorman , Nick Piggin , Peter Zijlstra , Paul McKenney , Yanmin Zhang , Stephen Rothwell Message-ID: <20100828141638.ZZuoTBrs3gP8DradL0UZuaiZfuLssY0-A3w84stTWU0@z> 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 @@ -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)