linux-kernel - [PATCH] kvm: Remove the unused macro KVM_MMU_READ

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-next>] [day] [month] [year] [list]

Message-Id: <20221207120617.9409-1-jiangshanlai@gmail.com>
Date:   Wed,  7 Dec 2022 20:06:16 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org
Subject: [PATCH] kvm: Remove the unused macro KVM_MMU_READ_LOCK()

From: Lai Jiangshan <jiangshan.ljs@...group.com>

No code is using KVM_MMU_READ_LOCK().

Signed-off-by: Lai Jiangshan <jiangshan.ljs@...group.com>
---
 virt/kvm/kvm_mm.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/virt/kvm/kvm_mm.h b/virt/kvm/kvm_mm.h
index a1ab15006af3..e98e294080bf 100644
--- a/virt/kvm/kvm_mm.h
+++ b/virt/kvm/kvm_mm.h
@@ -14,13 +14,11 @@
 #define KVM_MMU_LOCK_INIT(kvm)		rwlock_init(&(kvm)->mmu_lock)
 #define KVM_MMU_LOCK(kvm)		write_lock(&(kvm)->mmu_lock)
 #define KVM_MMU_UNLOCK(kvm)		write_unlock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_LOCK(kvm)		read_lock(&(kvm)->mmu_lock)
 #define KVM_MMU_READ_UNLOCK(kvm)	read_unlock(&(kvm)->mmu_lock)
 #else
 #define KVM_MMU_LOCK_INIT(kvm)		spin_lock_init(&(kvm)->mmu_lock)
 #define KVM_MMU_LOCK(kvm)		spin_lock(&(kvm)->mmu_lock)
 #define KVM_MMU_UNLOCK(kvm)		spin_unlock(&(kvm)->mmu_lock)
-#define KVM_MMU_READ_LOCK(kvm)		spin_lock(&(kvm)->mmu_lock)
 #define KVM_MMU_READ_UNLOCK(kvm)	spin_unlock(&(kvm)->mmu_lock)
 #endif /* KVM_HAVE_MMU_RWLOCK */
 
-- 
2.19.1.6.gb485710b