Commit 379fd0c7 authored by Nicolai Stange's avatar Nicolai Stange Committed by Thomas Gleixner
Browse files

x86/KVM/VMX: Don't set l1tf_flush_l1d to true from vmx_l1d_flush() 



vmx_l1d_flush() gets invoked only if l1tf_flush_l1d is true. There's no
point in setting l1tf_flush_l1d to true from there again.

Signed-off-by: default avatarNicolai Stange <nstange@suse.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 73d5e2b4

arch/x86/kvm/vmx.c

+7 −7
Original line number Diff line number Diff line
@@ -9691,15 +9691,15 @@ static void vmx_l1d_flush(struct kvm_vcpu *vcpu) 
	/*

	 * This code is only executed when the the flush mode is 'cond' or

	 * 'always'

	 *

	 * If 'flush always', keep the flush bit set, otherwise clear

	 * it. The flush bit gets set again either from vcpu_run() or from

	 * one of the unsafe VMEXIT handlers.

	 */

	if (static_branch_unlikely(&vmx_l1d_flush_always))

		vcpu->arch.l1tf_flush_l1d = true;

	else

	if (!static_branch_unlikely(&vmx_l1d_flush_always)) {

		/*

		 * Clear the flush bit, it gets set again either from

		 * vcpu_run() or from one of the unsafe VMEXIT

		 * handlers.

		 */

		vcpu->arch.l1tf_flush_l1d = false;

	}



	vcpu->stat.l1d_flush++;