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From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org
Cc: 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>,
	"H. Peter Anvin" <hpa@zytor.com>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	"David P . Reed" <dpreed@deepplum.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Uros Bizjak <ubizjak@gmail.com>
Subject: [PATCH 9/9] KVM: x86: Move declaration of kvm_spurious_fault() to x86.h
Date: Wed, 30 Dec 2020 16:27:02 -0800	[thread overview]
Message-ID: <20201231002702.2223707-10-seanjc@google.com> (raw)
In-Reply-To: <20201231002702.2223707-1-seanjc@google.com>

From: Uros Bizjak <ubizjak@gmail.com>

Move the declaration of kvm_spurious_fault() to KVM's "private" x86.h,
it should never be called by anything other than low level KVM code.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
[sean: rebased to a series without __ex()/__kvm_handle_fault_on_reboot()]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/include/asm/kvm_host.h | 2 --
 arch/x86/kvm/svm/svm_ops.h      | 2 +-
 arch/x86/kvm/vmx/vmx_ops.h      | 2 +-
 arch/x86/kvm/x86.h              | 2 ++
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 51ba20ffaedb..feba0ec5474b 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1634,8 +1634,6 @@ enum {
 #define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0)
 #define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm)
 
-void kvm_spurious_fault(void);
-
 #define KVM_ARCH_WANT_MMU_NOTIFIER
 int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
 			unsigned flags);
diff --git a/arch/x86/kvm/svm/svm_ops.h b/arch/x86/kvm/svm/svm_ops.h
index 0c8377aee52c..aa028ef5b1e9 100644
--- a/arch/x86/kvm/svm/svm_ops.h
+++ b/arch/x86/kvm/svm/svm_ops.h
@@ -4,7 +4,7 @@
 
 #include <linux/compiler_types.h>
 
-#include <asm/kvm_host.h>
+#include "x86.h"
 
 #define svm_asm(insn, clobber...)				\
 do {								\
diff --git a/arch/x86/kvm/vmx/vmx_ops.h b/arch/x86/kvm/vmx/vmx_ops.h
index 7b6fbe103c61..7e3cb53c413f 100644
--- a/arch/x86/kvm/vmx/vmx_ops.h
+++ b/arch/x86/kvm/vmx/vmx_ops.h
@@ -4,11 +4,11 @@
 
 #include <linux/nospec.h>
 
-#include <asm/kvm_host.h>
 #include <asm/vmx.h>
 
 #include "evmcs.h"
 #include "vmcs.h"
+#include "x86.h"
 
 asmlinkage void vmread_error(unsigned long field, bool fault);
 __attribute__((regparm(0))) void vmread_error_trampoline(unsigned long field,
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index c5ee0f5ce0f1..0d830945ae38 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -8,6 +8,8 @@
 #include "kvm_cache_regs.h"
 #include "kvm_emulate.h"
 
+void kvm_spurious_fault(void);
+
 #define KVM_DEFAULT_PLE_GAP		128
 #define KVM_VMX_DEFAULT_PLE_WINDOW	4096
 #define KVM_DEFAULT_PLE_WINDOW_GROW	2
-- 
2.29.2.729.g45daf8777d-goog


  parent reply	other threads:[~2020-12-31  0:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-31  0:26 [PATCH 0/9] x86/virt: KVM: x86: Exception handling fixes/cleanups Sean Christopherson
2020-12-31  0:26 ` [PATCH 1/9] x86/virt: Eat faults on VMXOFF in reboot flows Sean Christopherson
2020-12-31  0:26 ` [PATCH 2/9] x86/reboot: Force all cpus to exit VMX root if VMX is supported Sean Christopherson
2020-12-31  0:26 ` [PATCH 3/9] x86/virt: Mark flags and memory as clobbered by VMXOFF Sean Christopherson
2020-12-31  0:26 ` [PATCH 4/9] KVM/nVMX: Use __vmx_vcpu_run in nested_vmx_check_vmentry_hw Sean Christopherson
2020-12-31  0:26 ` [PATCH 5/9] KVM: VMX: Move Intel PT shenanigans out of VMXON/VMXOFF flows Sean Christopherson
2020-12-31  0:26 ` [PATCH 6/9] KVM: VMX: Use the kernel's version of VMXOFF Sean Christopherson
2020-12-31  0:27 ` [PATCH 7/9] KVM: SVM: Use asm goto to handle unexpected #UD on SVM instructions Sean Christopherson
2020-12-31  0:27 ` [PATCH 8/9] KVM: x86: Kill off __ex() and __kvm_handle_fault_on_reboot() Sean Christopherson
2020-12-31  0:27 ` Sean Christopherson [this message]
2021-01-27 17:26 ` [PATCH 0/9] x86/virt: KVM: x86: Exception handling fixes/cleanups Paolo Bonzini

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