linux-kernel - [PATCH v3 15/22] KVM: kvm_arch.c: Remove

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: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  1 Sep 2022 19:17:50 -0700
From:   isaku.yamahata@...el.com
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>
Cc:     isaku.yamahata@...el.com, isaku.yamahata@...il.com,
        Kai Huang <kai.huang@...el.com>, Chao Gao <chao.gao@...el.com>,
        Atish Patra <atishp@...shpatra.org>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Qi Liu <liuqi115@...wei.com>,
        John Garry <john.garry@...wei.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Huang Ying <ying.huang@...el.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Borislav Petkov <bp@...en8.de>
Subject: [PATCH v3 15/22] KVM: kvm_arch.c: Remove _nolock post fix

From: Isaku Yamahata <isaku.yamahata@...el.com>

Now all related callbacks are called under kvm_lock, no point for _nolock
post fix.  Remove _nolock post fix for readability with shorter function
names.

Signed-off-by: Isaku Yamahata <isaku.yamahata@...el.com>
---
 virt/kvm/kvm_arch.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/virt/kvm/kvm_arch.c b/virt/kvm/kvm_arch.c
index 0648d4463d9e..de39d0127584 100644
--- a/virt/kvm/kvm_arch.c
+++ b/virt/kvm/kvm_arch.c
@@ -20,7 +20,7 @@ __weak int kvm_arch_post_init_vm(struct kvm *kvm)
 	return 0;
 }
 
-static void hardware_enable_nolock(void *caller_name)
+static void hardware_enable(void *caller_name)
 {
 	int cpu = raw_smp_processor_id();
 	int r;
@@ -42,7 +42,7 @@ static void hardware_enable_nolock(void *caller_name)
 	}
 }
 
-static void hardware_disable_nolock(void *junk)
+static void hardware_disable(void *junk)
 {
 	int cpu = raw_smp_processor_id();
 
@@ -56,7 +56,7 @@ static void hardware_disable_nolock(void *junk)
 
 __weak void kvm_arch_pre_hardware_unsetup(void)
 {
-	on_each_cpu(hardware_disable_nolock, NULL, 1);
+	on_each_cpu(hardware_disable, NULL, 1);
 }
 
 /*
@@ -71,7 +71,7 @@ __weak int kvm_arch_add_vm(struct kvm *kvm, int usage_count)
 		return 0;
 
 	atomic_set(&hardware_enable_failed, 0);
-	on_each_cpu(hardware_enable_nolock, (void *)__func__, 1);
+	on_each_cpu(hardware_enable, (void *)__func__, 1);
 
 	if (atomic_read(&hardware_enable_failed)) {
 		r = -EBUSY;
@@ -81,7 +81,7 @@ __weak int kvm_arch_add_vm(struct kvm *kvm, int usage_count)
 	r = kvm_arch_post_init_vm(kvm);
 err:
 	if (r)
-		on_each_cpu(hardware_disable_nolock, NULL, 1);
+		on_each_cpu(hardware_disable, NULL, 1);
 	return r;
 }
 
@@ -90,7 +90,7 @@ __weak int kvm_arch_del_vm(int usage_count)
 	if (usage_count)
 		return 0;
 
-	on_each_cpu(hardware_disable_nolock, NULL, 1);
+	on_each_cpu(hardware_disable, NULL, 1);
 	return 0;
 }
 
@@ -110,7 +110,7 @@ __weak int kvm_arch_online_cpu(unsigned int cpu, int usage_count)
 	if (usage_count) {
 		WARN_ON_ONCE(atomic_read(&hardware_enable_failed));
 
-		hardware_enable_nolock((void *)__func__);
+		hardware_enable((void *)__func__);
 		if (atomic_read(&hardware_enable_failed)) {
 			atomic_set(&hardware_enable_failed, 0);
 			ret = -EIO;
@@ -122,20 +122,20 @@ __weak int kvm_arch_online_cpu(unsigned int cpu, int usage_count)
 __weak int kvm_arch_offline_cpu(unsigned int cpu, int usage_count)
 {
 	if (usage_count)
-		hardware_disable_nolock(NULL);
+		hardware_disable(NULL);
 	return 0;
 }
 
 __weak int kvm_arch_reboot(int val)
 {
-	on_each_cpu(hardware_disable_nolock, NULL, 1);
+	on_each_cpu(hardware_disable, NULL, 1);
 	return NOTIFY_OK;
 }
 
 __weak int kvm_arch_suspend(int usage_count)
 {
 	if (usage_count)
-		hardware_disable_nolock(NULL);
+		hardware_disable(NULL);
 	return 0;
 }
 
@@ -149,5 +149,5 @@ __weak void kvm_arch_resume(int usage_count)
 		return; /* FIXME: disable KVM */
 
 	if (usage_count)
-		hardware_enable_nolock((void *)__func__);
+		hardware_enable((void *)__func__);
 }
-- 
2.25.1