linux-kernel - [PATCH 3/4] mmu: don't pass *kvm to spte_write

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:	Wed, 20 Jul 2016 18:25:35 -0400
From:	Bandan Das <bsd@...hat.com>
To:	kvm@...r.kernel.org
Cc:	pbonzini@...hat.com, rkrcmar@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect

That parameter isn't used in the function,
it's probably a historical artifact.

Signed-off-by: Bandan Das <bsd@...hat.com>
---
 arch/x86/kvm/mmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index def97b3..aaecd10 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1204,7 +1204,7 @@ static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
  *
  * Return true if tlb need be flushed.
  */
-static bool spte_write_protect(struct kvm *kvm, u64 *sptep, bool pt_protect)
+static bool spte_write_protect(u64 *sptep, bool pt_protect)
 {
 	u64 spte = *sptep;
 
@@ -1230,7 +1230,7 @@ static bool __rmap_write_protect(struct kvm *kvm,
 	bool flush = false;
 
 	for_each_rmap_spte(rmap_head, &iter, sptep)
-		flush |= spte_write_protect(kvm, sptep, pt_protect);
+		flush |= spte_write_protect(sptep, pt_protect);
 
 	return flush;
 }
-- 
2.5.5