linux-kernel - [PATCH 2/4] KVM: x86: mmu: initialize fault.async_page_fault in walk_addr

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Date:   Thu, 25 Feb 2021 17:41:33 +0200
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     kvm@...r.kernel.org
Cc:     Ingo Molnar <mingo@...hat.com>,
        linux-kernel@...r.kernel.org (open list:X86 ARCHITECTURE (32-BIT AND
        64-BIT)), Jim Mattson <jmattson@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        x86@...nel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
        Joerg Roedel <joro@...tes.org>, Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Wanpeng Li <wanpengli@...cent.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Maxim Levitsky <mlevitsk@...hat.com>
Subject: [PATCH 2/4] KVM: x86: mmu: initialize fault.async_page_fault in walk_addr_generic

This field was left uninitialized by a mistake.

Signed-off-by: Maxim Levitsky <mlevitsk@...hat.com>
---
 arch/x86/kvm/mmu/paging_tmpl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index d9f66cc459e84..3dc9a25772bd8 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -503,6 +503,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker,
 #endif
 	walker->fault.address = addr;
 	walker->fault.nested_page_fault = mmu != vcpu->arch.walk_mmu;
+	walker->fault.async_page_fault = false;
 
 	trace_kvm_mmu_walker_error(walker->fault.error_code);
 	return 0;
-- 
2.26.2