From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ia0-x22b.google.com (mail-ia0-x22b.google.com [IPv6:2607:f8b0:4001:c02::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 62FFB2C02C2 for ; Mon, 11 Feb 2013 23:13:23 +1100 (EST) Received: by mail-ia0-f171.google.com with SMTP id z13so6337094iaz.16 for ; Mon, 11 Feb 2013 04:13:19 -0800 (PST) From: aik@ozlabs.ru To: Benjamin Herrenschmidt Subject: [PATCH 1/4] powerpc: lookup_linux_pte has been made public Date: Mon, 11 Feb 2013 23:12:40 +1100 Message-Id: <5118e055.22ca320a.1f08.ffffe2e5@mx.google.com> In-Reply-To: <1360584763-21988-1-git-send-email-a> References: <1360584763-21988-1-git-send-email-a> Cc: kvm@vger.kernel.org, Alexey Kardashevskiy , Alexander Graf , kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org, David Gibson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Alexey Kardashevskiy The lookup_linux_pte() function returns a linux PTE which is required to convert KVM guest physical address into host real address in real mode. This convertion will be used by upcoming support of H_PUT_TCE_INDIRECT as TCE list address comes from the guest directly so it is a guest physical. Signed-off-by: Alexey Kardashevskiy Cc: David Gibson --- arch/powerpc/include/asm/pgtable-ppc64.h | 3 +++ arch/powerpc/kvm/book3s_hv_rm_mmu.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 0182c20..ddcc898 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -377,6 +377,9 @@ static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, } #endif /* !CONFIG_HUGETLB_PAGE */ +pte_t lookup_linux_pte(pgd_t *pgdir, unsigned long hva, + int writing, unsigned long *pte_sizep); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */ diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 19c93ba..6a042d0 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -145,8 +145,8 @@ 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, - int writing, unsigned long *pte_sizep) +pte_t lookup_linux_pte(pgd_t *pgdir, unsigned long hva, + int writing, unsigned long *pte_sizep) { pte_t *ptep; unsigned long ps = *pte_sizep; -- 1.7.10.4