From patchwork Tue Aug 6 11:31:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharat Bhushan X-Patchwork-Id: 265035 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 50BBE2C024A for ; Tue, 6 Aug 2013 21:39:06 +1000 (EST) Received: from co1outboundpool.messaging.microsoft.com (co1ehsobe004.messaging.microsoft.com [216.32.180.187]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "MSIT Machine Auth CA 2" (not verified)) by ozlabs.org (Postfix) with ESMTPS id DC27C2C01BF for ; Tue, 6 Aug 2013 21:37:09 +1000 (EST) Received: from mail1-co1-R.bigfish.com (10.243.78.245) by CO1EHSOBE034.bigfish.com (10.243.66.99) with Microsoft SMTP Server id 14.1.225.22; Tue, 6 Aug 2013 11:37:06 +0000 Received: from mail1-co1 (localhost [127.0.0.1]) by mail1-co1-R.bigfish.com (Postfix) with ESMTP id E7D5D8E0490; Tue, 6 Aug 2013 11:37:05 +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 mail1-co1 (localhost.localdomain [127.0.0.1]) by mail1-co1 (MessageSwitch) id 1375788954934863_6388; Tue, 6 Aug 2013 11:35:54 +0000 (UTC) Received: from CO1EHSMHS001.bigfish.com (unknown [10.243.78.245]) by mail1-co1.bigfish.com (Postfix) with ESMTP id D5AB07E01E6; Tue, 6 Aug 2013 11:35:54 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO1EHSMHS001.bigfish.com (10.243.66.11) with Microsoft SMTP Server (TLS) id 14.16.227.3; Tue, 6 Aug 2013 11:35:54 +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; Tue, 6 Aug 2013 11:35:53 +0000 Received: from freescale.com ([10.232.15.72]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with SMTP id r76BZlIc015455; Tue, 6 Aug 2013 04:35:48 -0700 Received: by freescale.com (sSMTP sendmail emulation); Tue, 06 Aug 2013 17:01:45 +0530 From: Bharat Bhushan To: , , , , , , Subject: [PATCH 4/6 v3] powerpc: move linux pte/hugepte search to more generic file Date: Tue, 6 Aug 2013 17:01:12 +0530 Message-ID: <1375788674-13140-5-git-send-email-Bharat.Bhushan@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1375788674-13140-1-git-send-email-Bharat.Bhushan@freescale.com> References: <1375788674-13140-1-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% Cc: Bharat Bhushan X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 --- v2->v3 - no change 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__ */