From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp06.au.ibm.com (e23smtp06.au.ibm.com [202.81.31.148]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 468521A001D for ; Thu, 21 Jan 2016 18:40:39 +1100 (AEDT) Received: from localhost by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 21 Jan 2016 17:40:38 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 7920A2BB005A for ; Thu, 21 Jan 2016 18:40:36 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u0L7eUdi47579274 for ; Thu, 21 Jan 2016 18:40:38 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u0L7e3RU025349 for ; Thu, 21 Jan 2016 18:40:03 +1100 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Cc: Alexey Kardashevskiy , Paul Mackerras , David Gibson , kvm-ppc@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH kernel v2 4/6] KVM: PPC: Replace SPAPR_TCE_SHIFT with IOMMU_PAGE_SHIFT_4K Date: Thu, 21 Jan 2016 18:39:35 +1100 Message-Id: <1453361977-19589-5-git-send-email-aik@ozlabs.ru> In-Reply-To: <1453361977-19589-1-git-send-email-aik@ozlabs.ru> References: <1453361977-19589-1-git-send-email-aik@ozlabs.ru> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , SPAPR_TCE_SHIFT is used in few places only and since IOMMU_PAGE_SHIFT_4K can be easily used instead, remove SPAPR_TCE_SHIFT. Signed-off-by: Alexey Kardashevskiy Reviewed-by: David Gibson --- arch/powerpc/include/asm/kvm_book3s_64.h | 2 -- arch/powerpc/kvm/book3s_64_vio.c | 3 ++- arch/powerpc/kvm/book3s_64_vio_hv.c | 4 ++-- 3 files changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 2aa79c8..7529aab 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -33,8 +33,6 @@ static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) } #endif -#define SPAPR_TCE_SHIFT 12 - #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE #define KVM_DEFAULT_HPT_ORDER 24 /* 16MB HPT by default */ #endif diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index ea498b4..975f0ab 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -36,12 +36,13 @@ #include #include #include +#include #define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) static unsigned long kvmppc_stt_npages(unsigned long window_size) { - return ALIGN((window_size >> SPAPR_TCE_SHIFT) + return ALIGN((window_size >> IOMMU_PAGE_SHIFT_4K) * sizeof(u64), PAGE_SIZE) / PAGE_SIZE; } diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c index 862f9a2..e142171 100644 --- a/arch/powerpc/kvm/book3s_64_vio_hv.c +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c @@ -99,7 +99,7 @@ long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, if (ret != H_SUCCESS) return ret; - idx = ioba >> SPAPR_TCE_SHIFT; + idx = ioba >> IOMMU_PAGE_SHIFT_4K; page = stt->pages[idx / TCES_PER_PAGE]; tbl = (u64 *)page_address(page); @@ -127,7 +127,7 @@ long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, if (ret != H_SUCCESS) return ret; - idx = ioba >> SPAPR_TCE_SHIFT; + idx = ioba >> IOMMU_PAGE_SHIFT_4K; page = stt->pages[idx / TCES_PER_PAGE]; tbl = (u64 *)page_address(page); -- 2.5.0.rc3