From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756728Ab3BKMNX (ORCPT ); Mon, 11 Feb 2013 07:13:23 -0500 Received: from mail-ia0-f177.google.com ([209.85.210.177]:48554 "EHLO mail-ia0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756391Ab3BKMNU (ORCPT ); Mon, 11 Feb 2013 07:13:20 -0500 From: aik@ozlabs.ru To: Benjamin Herrenschmidt Cc: Alexey Kardashevskiy , Paul Mackerras , Alexander Graf , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, David Gibson 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> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1360584763-21988-1-git-send-email-a> References: <1360584763-21988-1-git-send-email-a> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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