From patchwork Mon Oct 28 10:22:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharat Bhushan X-Patchwork-Id: 286443 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 505C82C00BD for ; Mon, 28 Oct 2013 21:30:08 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756126Ab3J1K3P (ORCPT ); Mon, 28 Oct 2013 06:29:15 -0400 Received: from mail-db8lp0189.outbound.messaging.microsoft.com ([213.199.154.189]:45542 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756217Ab3J1K3N (ORCPT ); Mon, 28 Oct 2013 06:29:13 -0400 Received: from mail33-db8-R.bigfish.com (10.174.8.234) by DB8EHSOBE013.bigfish.com (10.174.4.76) with Microsoft SMTP Server id 14.1.225.22; Mon, 28 Oct 2013 10:29:12 +0000 Received: from mail33-db8 (localhost [127.0.0.1]) by mail33-db8-R.bigfish.com (Postfix) with ESMTP id 21002C00097; Mon, 28 Oct 2013 10:29:12 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 6 X-BigFish: VS6(zcb8kzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839he5bhf0ah107ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e1dh1e23h1fe8h1ff5h1155h) Received: from mail33-db8 (localhost.localdomain [127.0.0.1]) by mail33-db8 (MessageSwitch) id 1382956149629031_32761; Mon, 28 Oct 2013 10:29:09 +0000 (UTC) Received: from DB8EHSMHS011.bigfish.com (unknown [10.174.8.229]) by mail33-db8.bigfish.com (Postfix) with ESMTP id 959D41C0040; Mon, 28 Oct 2013 10:29:09 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by DB8EHSMHS011.bigfish.com (10.174.4.21) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 28 Oct 2013 10:29:09 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-005.039d.mgd.msft.net (10.84.1.17) with Microsoft SMTP Server (TLS) id 14.3.158.2; Mon, 28 Oct 2013 10:29:07 +0000 Received: from freescale.com ([10.232.15.72]) by az84smr01.freescale.net (8.14.3/8.14.0) with SMTP id r9SAT2fR009902; Mon, 28 Oct 2013 03:29:03 -0700 Received: by freescale.com (sSMTP sendmail emulation); Mon, 28 Oct 2013 15:52:43 +0530 From: Bharat Bhushan To: , , , , CC: Bharat Bhushan , Bharat Bhushan Subject: [PATCH 2/4 v2] kvm: book3s: rename lookup_linux_pte() to lookup_linux_pte_and_update() Date: Mon, 28 Oct 2013 15:52:28 +0530 Message-ID: <1382955750-32249-3-git-send-email-Bharat.Bhushan@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1382955750-32249-1-git-send-email-Bharat.Bhushan@freescale.com> References: <1382955750-32249-1-git-send-email-Bharat.Bhushan@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org lookup_linux_pte() is doing more than lookup, updating the pte, so for clarity it is renamed to lookup_linux_pte_and_update() Signed-off-by: Bharat Bhushan --- v1->v2 -- No Change arch/powerpc/kvm/book3s_hv_rm_mmu.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 45e30d6..1743ddd 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -134,7 +134,7 @@ static void remove_revmap_chain(struct kvm *kvm, long pte_index, unlock_rmap(rmap); } -static pte_t lookup_linux_pte(pgd_t *pgdir, unsigned long hva, +static pte_t lookup_linux_pte_and_update(pgd_t *pgdir, unsigned long hva, int writing, unsigned long *pte_sizep) { pte_t *ptep; @@ -231,7 +231,8 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags, /* Look up the Linux PTE for the backing page */ pte_size = psize; - pte = lookup_linux_pte(pgdir, hva, writing, &pte_size); + pte = lookup_linux_pte_and_update(pgdir, hva, writing, + &pte_size); if (pte_present(pte)) { if (writing && !pte_write(pte)) /* make the actual HPTE be read-only */ @@ -667,7 +668,8 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags, memslot = __gfn_to_memslot(kvm_memslots(kvm), gfn); if (memslot) { hva = __gfn_to_hva_memslot(memslot, gfn); - pte = lookup_linux_pte(pgdir, hva, 1, &psize); + pte = lookup_linux_pte_and_update(pgdir, hva, + 1, &psize); if (pte_present(pte) && !pte_write(pte)) r = hpte_make_readonly(r); }