linux-kernel - [PATCH] KVM: x86: clear VM_EXIT_SAVE_IA32

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Message-Id: <1554890121-57272-1-git-send-email-pbonzini@redhat.com>
Date:   Wed, 10 Apr 2019 11:55:21 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH] KVM: x86: clear VM_EXIT_SAVE_IA32_PAT

This is not needed, PAT writes always take an MSR vmexit.

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/x86/kvm/vmx/vmx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 687d80cca09f..b6c533afbf27 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2288,7 +2288,6 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf,
 	min |= VM_EXIT_HOST_ADDR_SPACE_SIZE;
 #endif
 	opt = VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL |
-	      VM_EXIT_SAVE_IA32_PAT |
 	      VM_EXIT_LOAD_IA32_PAT |
 	      VM_EXIT_LOAD_IA32_EFER |
 	      VM_EXIT_CLEAR_BNDCFGS |
-- 
1.8.3.1