From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39F3EC83002 for ; Tue, 28 Apr 2020 00:54:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 206A32070B for ; Tue, 28 Apr 2020 00:54:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726391AbgD1AyZ (ORCPT ); Mon, 27 Apr 2020 20:54:25 -0400 Received: from mga05.intel.com ([192.55.52.43]:42479 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726282AbgD1AyX (ORCPT ); Mon, 27 Apr 2020 20:54:23 -0400 IronPort-SDR: SB7FffDXeI1tt+vUZXoHRq047X34jtLSIJmieBLJARDDmUlx4ZKKkX5DEXSawjB8cH2RcRtq3h fdQyJ2AF5zPg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Apr 2020 17:54:23 -0700 IronPort-SDR: +zzRpVyzZdXBVrcbtszqBJKiiAbwc0dPNiIs1wPgxeLKq1nx5v+PFL2OpJyqC+1X9d7/ARiGOx joGqjmtiCnYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,325,1583222400"; d="scan'208";a="260920806" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.202]) by orsmga006.jf.intel.com with ESMTP; 27 Apr 2020 17:54:23 -0700 From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Barret Rhoden Subject: [PATCH 2/3] KVM: x86/mmu: Move max hugepage level to a separate #define Date: Mon, 27 Apr 2020 17:54:21 -0700 Message-Id: <20200428005422.4235-3-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200428005422.4235-1-sean.j.christopherson@intel.com> References: <20200428005422.4235-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rename PT_MAX_HUGEPAGE_LEVEL to KVM_MAX_HUGEPAGE_LEVEL and make it a separate define in anticipation of dropping KVM's PT_*_LEVEL enums in favor of the kernel's PG_LEVEL_* enums. No functional change intended. Signed-off-by: Sean Christopherson --- arch/x86/include/asm/kvm_host.h | 5 ++--- arch/x86/kvm/mmu/mmu.c | 17 +++++++++-------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 7cd68d1d0627..204f742bf096 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -114,10 +114,9 @@ enum { PT_PAGE_TABLE_LEVEL = 1, PT_DIRECTORY_LEVEL = 2, PT_PDPE_LEVEL = 3, - /* set max level to the biggest one */ - PT_MAX_HUGEPAGE_LEVEL = PT_PDPE_LEVEL, }; -#define KVM_NR_PAGE_SIZES (PT_MAX_HUGEPAGE_LEVEL - \ +#define KVM_MAX_HUGEPAGE_LEVEL PT_PDPE_LEVEL +#define KVM_NR_PAGE_SIZES (KVM_MAX_HUGEPAGE_LEVEL - \ PT_PAGE_TABLE_LEVEL + 1) #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index e618472c572b..324734db25ce 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -1199,7 +1199,7 @@ static void update_gfn_disallow_lpage_count(struct kvm_memory_slot *slot, struct kvm_lpage_info *linfo; int i; - for (i = PT_DIRECTORY_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { + for (i = PT_DIRECTORY_LEVEL; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) { linfo = lpage_info_slot(gfn, slot, i); linfo->disallow_lpage += count; WARN_ON(linfo->disallow_lpage < 0); @@ -1763,7 +1763,7 @@ bool kvm_mmu_slot_gfn_write_protect(struct kvm *kvm, int i; bool write_protected = false; - for (i = PT_PAGE_TABLE_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) { + for (i = PT_PAGE_TABLE_LEVEL; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) { rmap_head = __gfn_to_rmap(gfn, i, slot); write_protected |= __rmap_write_protect(kvm, rmap_head, true); } @@ -1952,7 +1952,7 @@ static int kvm_handle_hva_range(struct kvm *kvm, gfn_end = hva_to_gfn_memslot(hva_end + PAGE_SIZE - 1, memslot); for_each_slot_rmap_range(memslot, PT_PAGE_TABLE_LEVEL, - PT_MAX_HUGEPAGE_LEVEL, + KVM_MAX_HUGEPAGE_LEVEL, gfn_start, gfn_end - 1, &iterator) ret |= handler(kvm, iterator.rmap, memslot, @@ -4214,7 +4214,7 @@ int kvm_tdp_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code, { int max_level; - for (max_level = PT_MAX_HUGEPAGE_LEVEL; + for (max_level = KVM_MAX_HUGEPAGE_LEVEL; max_level > PT_PAGE_TABLE_LEVEL; max_level--) { int page_num = KVM_PAGES_PER_HPAGE(max_level); @@ -5641,7 +5641,7 @@ slot_handle_all_level(struct kvm *kvm, struct kvm_memory_slot *memslot, slot_level_handler fn, bool lock_flush_tlb) { return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL, - PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); + KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); } static __always_inline bool @@ -5649,7 +5649,7 @@ slot_handle_large_level(struct kvm *kvm, struct kvm_memory_slot *memslot, slot_level_handler fn, bool lock_flush_tlb) { return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL + 1, - PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); + KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb); } static __always_inline bool @@ -5867,7 +5867,8 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end) continue; slot_handle_level_range(kvm, memslot, kvm_zap_rmapp, - PT_PAGE_TABLE_LEVEL, PT_MAX_HUGEPAGE_LEVEL, + PT_PAGE_TABLE_LEVEL, + KVM_MAX_HUGEPAGE_LEVEL, start, end - 1, true); } } @@ -5889,7 +5890,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, spin_lock(&kvm->mmu_lock); flush = slot_handle_level(kvm, memslot, slot_rmap_write_protect, - start_level, PT_MAX_HUGEPAGE_LEVEL, false); + start_level, KVM_MAX_HUGEPAGE_LEVEL, false); spin_unlock(&kvm->mmu_lock); /* -- 2.26.0