linux-kernel - [PATCH 11/12] KVM: X86/MMU: Remove mmu_pages_first() and mmu_pages

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]

Message-Id: <20220605064342.309219-12-jiangshanlai@gmail.com>
Date:   Sun,  5 Jun 2022 14:43:41 +0800
From:   Lai Jiangshan <jiangshanlai@...il.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        Lai Jiangshan <jiangshan.ljs@...group.com>
Subject: [PATCH 11/12] KVM: X86/MMU: Remove mmu_pages_first() and mmu_pages_next()

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

Use i = 0 andd i++ instead.

Signed-off-by: Lai Jiangshan <jiangshan.ljs@...group.com>
---
 arch/x86/kvm/mmu/mmu.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 304a515bd073..7cfc4bc89f60 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1886,19 +1886,7 @@ static bool is_obsolete_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
 }
 
 #define for_each_sp(pvec, sp, i)					\
-		for (i = mmu_pages_first(&pvec);			\
-			i < pvec.nr && ({ sp = pvec.sp[i]; 1;});	\
-			i = mmu_pages_next(&pvec, i))
-
-static int mmu_pages_next(struct kvm_mmu_pages *pvec, int i)
-{
-	return i + 1;
-}
-
-static int mmu_pages_first(struct kvm_mmu_pages *pvec)
-{
-	return 0;
-}
+		for (i = 0; i < pvec.nr && ({ sp = pvec.sp[i]; 1;}); i++)
 
 static int mmu_sync_children(struct kvm_vcpu *vcpu,
 			     struct kvm_mmu_page *parent, bool can_yield)
-- 
2.19.1.6.gb485710b