From patchwork Wed Aug 15 09:53:49 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 177599 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 280CC2C00A8 for ; Wed, 15 Aug 2012 19:54:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754077Ab2HOJyB (ORCPT ); Wed, 15 Aug 2012 05:54:01 -0400 Received: from cantor2.suse.de ([195.135.220.15]:38530 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753799Ab2HOJxx (ORCPT ); Wed, 15 Aug 2012 05:53:53 -0400 Received: from relay1.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 3ADD6A3B99; Wed, 15 Aug 2012 11:53:52 +0200 (CEST) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: KVM list , Scott Wood Subject: [PATCH] KVM: PPC: E500: Remove E500_TLB_DIRTY flag Date: Wed, 15 Aug 2012 11:53:49 +0200 Message-Id: <1345024429-17737-1-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Since we always mark pages as dirty immediately when mapping them read/write now, there's no need for the dirty flag in our cache. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/e500.h | 3 +-- arch/powerpc/kvm/e500_tlb.c | 4 +--- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h index aa8b814..d162286 100644 --- a/arch/powerpc/kvm/e500.h +++ b/arch/powerpc/kvm/e500.h @@ -27,8 +27,7 @@ #define E500_TLB_NUM 2 #define E500_TLB_VALID 1 -#define E500_TLB_DIRTY 2 -#define E500_TLB_BITMAP 4 +#define E500_TLB_BITMAP 2 struct tlbe_ref { pfn_t pfn; diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 1af6fab..43489a8 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -303,10 +303,8 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref, ref->pfn = pfn; ref->flags = E500_TLB_VALID; - if (tlbe_is_writable(gtlbe)) { - ref->flags |= E500_TLB_DIRTY; + if (tlbe_is_writable(gtlbe)) kvm_set_pfn_dirty(pfn); - } } static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)