linux-kernel - [PATCH 5/9] KVM: Don't set guest cr3 from vmx_vcpu

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]

Date:	Fri, 05 Jan 2007 07:54:45 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 5/9] KVM: Don't set guest cr3 from vmx_vcpu_setup()

It overwrites the right cr3 set from mmu setup.  Happens only with the test harness.

Signed-off-by: Avi Kivity <avi@...ranet.com>

Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -1027,8 +1027,6 @@ static int vmx_vcpu_setup(struct kvm_vcp
 	vmcs_writel(GUEST_RIP, 0xfff0);
 	vmcs_writel(GUEST_RSP, 0);
 
-	vmcs_writel(GUEST_CR3, 0);
-
 	//todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0
 	vmcs_writel(GUEST_DR7, 0x400);
 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/