From: Lai Jiangshan <jiangshanlai@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, Lai Jiangshan <laijs@linux.alibaba.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: [PATCH 12/12] KVM: X86: Walk shadow page starting with shadow_root_level
Date: Wed, 24 Nov 2021 20:20:54 +0800 [thread overview]
Message-ID: <20211124122055.64424-13-jiangshanlai@gmail.com> (raw)
In-Reply-To: <20211124122055.64424-1-jiangshanlai@gmail.com>
From: Lai Jiangshan <laijs@linux.alibaba.com>
Walking from the root page of the shadow page table should start with
the level of the shadow page table: shadow_root_level.
Also change a small defect in audit_mappings(), it is believed
that the current walking level is more valuable to print.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
---
arch/x86/kvm/mmu/mmu_audit.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/mmu/mmu_audit.c b/arch/x86/kvm/mmu/mmu_audit.c
index 9e7dcf999f08..6bbbf85b3e46 100644
--- a/arch/x86/kvm/mmu/mmu_audit.c
+++ b/arch/x86/kvm/mmu/mmu_audit.c
@@ -63,7 +63,7 @@ static void mmu_spte_walk(struct kvm_vcpu *vcpu, inspect_spte_fn fn)
hpa_t root = vcpu->arch.mmu->root_hpa;
sp = to_shadow_page(root);
- __mmu_spte_walk(vcpu, sp, fn, vcpu->arch.mmu->root_level);
+ __mmu_spte_walk(vcpu, sp, fn, vcpu->arch.mmu->shadow_root_level);
return;
}
@@ -119,8 +119,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
hpa = pfn << PAGE_SHIFT;
if ((*sptep & PT64_BASE_ADDR_MASK) != hpa)
audit_printk(vcpu->kvm, "levels %d pfn %llx hpa %llx "
- "ent %llxn", vcpu->arch.mmu->root_level, pfn,
- hpa, *sptep);
+ "ent %llxn", level, pfn, hpa, *sptep);
}
static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
--
2.19.1.6.gb485710b
next prev parent reply other threads:[~2021-11-24 13:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-24 12:20 [PATCH 00/12] KVM: X86: misc fixes and cleanup Lai Jiangshan
2021-11-24 12:20 ` [PATCH 01/12] KVM: X86: Fix when shadow_root_level=5 && guest root_level<4 Lai Jiangshan
2021-12-09 1:16 ` [PATCH 1/12] " Sean Christopherson
2021-12-09 1:21 ` Sean Christopherson
2021-12-10 9:34 ` Lai Jiangshan
2021-11-24 12:20 ` [PATCH 02/12] KVM: X86: Add parameter struct kvm_mmu *mmu into mmu->gva_to_gpa() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 03/12] KVM: X86: Remove mmu->translate_gpa Lai Jiangshan
2021-11-24 12:20 ` [PATCH 04/12] KVM: X86: Use vcpu->arch.walk_mmu for kvm_mmu_invlpg() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 05/12] KVM: X86: Change the type of a parameter of kvm_mmu_invalidate_gva() and mmu->invlpg() to gpa_t Lai Jiangshan
2021-11-24 12:20 ` [PATCH 06/12] KVM: X86: Add huge_page_level to __reset_rsvds_bits_mask_ept() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 07/12] KVM: X86: Add parameter huge_page_level to kvm_init_shadow_ept_mmu() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 08/12] KVM: VMX: Use ept_caps_to_lpage_level() in hardware_setup() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 09/12] KVM: X86: Rename gpte_is_8_bytes to has_4_byte_gpte and invert the direction Lai Jiangshan
2021-11-24 12:20 ` [PATCH 10/12] KVM: X86: Remove mmu parameter from load_pdptrs() Lai Jiangshan
2021-11-24 12:20 ` [PATCH 11/12] KVM: X86: Check root_level only in fast_pgd_switch() Lai Jiangshan
2021-11-26 12:56 ` Paolo Bonzini
2021-11-24 12:20 ` Lai Jiangshan [this message]
2021-11-26 12:58 ` [PATCH 12/12] KVM: X86: Walk shadow page starting with shadow_root_level Paolo Bonzini
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