From patchwork Thu Aug 1 11:12:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharat Bhushan X-Patchwork-Id: 2836943 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A62FF9F7D6 for ; Thu, 1 Aug 2013 11:18:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8C1A820158 for ; Thu, 1 Aug 2013 11:18:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 479E3202BE for ; Thu, 1 Aug 2013 11:18:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754245Ab3HALSJ (ORCPT ); Thu, 1 Aug 2013 07:18:09 -0400 Received: from mail-db8lp0188.outbound.messaging.microsoft.com ([213.199.154.188]:16050 "EHLO db8outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753662Ab3HALSH (ORCPT ); Thu, 1 Aug 2013 07:18:07 -0400 Received: from mail132-db8-R.bigfish.com (10.174.8.227) by DB8EHSOBE022.bigfish.com (10.174.4.85) with Microsoft SMTP Server id 14.1.225.22; Thu, 1 Aug 2013 11:18:06 +0000 Received: from mail132-db8 (localhost [127.0.0.1]) by mail132-db8-R.bigfish.com (Postfix) with ESMTP id 056864026C; Thu, 1 Aug 2013 11:18:06 +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: 8 X-BigFish: VS8(z1039mzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h668h839he5bhf0ah107ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e1dh1e23h1155h) Received: from mail132-db8 (localhost.localdomain [127.0.0.1]) by mail132-db8 (MessageSwitch) id 1375355882988361_8468; Thu, 1 Aug 2013 11:18:02 +0000 (UTC) Received: from DB8EHSMHS011.bigfish.com (unknown [10.174.8.229]) by mail132-db8.bigfish.com (Postfix) with ESMTP id E2048220238; Thu, 1 Aug 2013 11:18:02 +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; Thu, 1 Aug 2013 11:17:57 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.136.1; Thu, 1 Aug 2013 11:17:55 +0000 Received: from freescale.com ([10.232.15.72]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with SMTP id r71BHnGQ018339; Thu, 1 Aug 2013 04:17:51 -0700 Received: by freescale.com (sSMTP sendmail emulation); Thu, 01 Aug 2013 16:43:09 +0530 From: Bharat Bhushan To: , , , , , CC: Bharat Bhushan , Bharat Bhushan Subject: [PATCH 4/6 v2] powerpc: move linux pte/hugepte search to more generic file Date: Thu, 1 Aug 2013 16:42:36 +0530 Message-ID: <1375355558-19187-5-git-send-email-Bharat.Bhushan@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1375355558-19187-1-git-send-email-Bharat.Bhushan@freescale.com> References: <1375355558-19187-1-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-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-8.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Linux pte search functions find_linux_pte_or_hugepte() and find_linux_pte() have nothing specific to 64bit anymore. So they are move from pgtable-ppc64.h to asm/pgtable.h Signed-off-by: Bharat Bhushan --- v1->v2 - This is a new change in this version arch/powerpc/include/asm/pgtable-ppc64.h | 36 ----------------------------- arch/powerpc/include/asm/pgtable.h | 37 ++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 36 deletions(-) diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index e3d55f6..d257d98 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -340,42 +340,6 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry) void pgtable_cache_add(unsigned shift, void (*ctor)(void *)); void pgtable_cache_init(void); -/* - * find_linux_pte returns the address of a linux pte for a given - * effective address and directory. If not found, it returns zero. - */ -static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) -{ - pgd_t *pg; - pud_t *pu; - pmd_t *pm; - pte_t *pt = NULL; - - pg = pgdir + pgd_index(ea); - if (!pgd_none(*pg)) { - pu = pud_offset(pg, ea); - if (!pud_none(*pu)) { - pm = pmd_offset(pu, ea); - if (pmd_present(*pm)) - pt = pte_offset_kernel(pm, ea); - } - } - return pt; -} - -#ifdef CONFIG_HUGETLB_PAGE -pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - unsigned *shift); -#else -static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, - unsigned *shift) -{ - if (shift) - *shift = 0; - return find_linux_pte(pgdir, ea); -} -#endif /* !CONFIG_HUGETLB_PAGE */ - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index b6293d2..690c8c2 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -217,6 +217,43 @@ extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, unsigned long end, int write, struct page **pages, int *nr); + +/* + * find_linux_pte returns the address of a linux pte for a given + * effective address and directory. If not found, it returns zero. + */ +static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) +{ + pgd_t *pg; + pud_t *pu; + pmd_t *pm; + pte_t *pt = NULL; + + pg = pgdir + pgd_index(ea); + if (!pgd_none(*pg)) { + pu = pud_offset(pg, ea); + if (!pud_none(*pu)) { + pm = pmd_offset(pu, ea); + if (pmd_present(*pm)) + pt = pte_offset_kernel(pm, ea); + } + } + return pt; +} + +#ifdef CONFIG_HUGETLB_PAGE +pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift); +#else +static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, + unsigned *shift) +{ + if (shift) + *shift = 0; + return find_linux_pte(pgdir, ea); +} +#endif /* !CONFIG_HUGETLB_PAGE */ + #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */