lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200201185218.24473-57-sean.j.christopherson@intel.com>
Date:   Sat,  1 Feb 2020 10:52:13 -0800
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 56/61] KVM: SVM: Refactor logging of NPT enabled/disabled

Tweak SVM's logging of NPT enabled/disabled to handle the logging in a
single pr_info() in preparation for merging kvm_enable_tdp() and
kvm_disable_tdp() into a single function.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
 arch/x86/kvm/svm.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index a27f83f7521c..80962c1eea8f 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1440,16 +1440,14 @@ static __init int svm_hardware_setup(void)
 	if (!boot_cpu_has(X86_FEATURE_NPT))
 		npt_enabled = false;
 
-	if (npt_enabled && !npt) {
-		printk(KERN_INFO "kvm: Nested Paging disabled\n");
+	if (npt_enabled && !npt)
 		npt_enabled = false;
-	}
 
-	if (npt_enabled) {
-		printk(KERN_INFO "kvm: Nested Paging enabled\n");
+	if (npt_enabled)
 		kvm_enable_tdp();
-	} else
+	else
 		kvm_disable_tdp();
+	pr_info("kvm: Nested Paging %sabled\n", npt_enabled ? "en" : "dis");
 
 	if (nrips) {
 		if (!boot_cpu_has(X86_FEATURE_NRIPS))
-- 
2.24.1

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ