| 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
| ||
|
Date: Mon, 27 Nov 2006 12:32:38 -0000
From: Avi Kivity <avi@...ranet.com>
To: kvm-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org, akpm@...l.org
Subject: [PATCH 22/38] KVM: Make inject_gp() an arch operation
Signed-off-by: Avi Kivity <avi@...ranet.com>
Index: linux-2.6/drivers/kvm/kvm.h
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm.h
+++ linux-2.6/drivers/kvm/kvm.h
@@ -284,6 +284,8 @@ struct kvm_arch_ops {
void (*inject_page_fault)(struct kvm_vcpu *vcpu,
unsigned long addr, u32 err_code);
+ void (*inject_gp)(struct kvm_vcpu *vcpu, unsigned err_code);
+
int (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run);
int (*vcpu_setup)(struct kvm_vcpu *vcpu);
void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
@@ -345,8 +347,6 @@ void set_cr4(struct kvm_vcpu *vcpu, unsi
void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0);
void lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
-void inject_gp(struct kvm_vcpu *vcpu);
-
#ifdef __x86_64__
void set_efer(struct kvm_vcpu *vcpu, u64 efer);
#endif
Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -485,18 +485,10 @@ void vmcs_writel(unsigned long field, un
}
EXPORT_SYMBOL_GPL(vmcs_writel);
-void inject_gp(struct kvm_vcpu *vcpu)
+static void inject_gp(struct kvm_vcpu *vcpu)
{
- printk(KERN_DEBUG "inject_general_protection: rip 0x%lx\n",
- vmcs_readl(GUEST_RIP));
- vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, 0);
- vmcs_write32(VM_ENTRY_INTR_INFO_FIELD,
- GP_VECTOR |
- INTR_TYPE_EXCEPTION |
- INTR_INFO_DELIEVER_CODE_MASK |
- INTR_INFO_VALID_MASK);
+ kvm_arch_ops->inject_gp(vcpu, 0);
}
-EXPORT_SYMBOL_GPL(inject_gp);
/*
* reads and returns guest's timestamp counter "register"
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -80,6 +80,18 @@ static void skip_emulated_instruction(st
interruptibility & ~3);
}
+static void vmx_inject_gp(struct kvm_vcpu *vcpu, unsigned error_code)
+{
+ printk(KERN_DEBUG "inject_general_protection: rip 0x%lx\n",
+ vmcs_readl(GUEST_RIP));
+ vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, error_code);
+ vmcs_write32(VM_ENTRY_INTR_INFO_FIELD,
+ GP_VECTOR |
+ INTR_TYPE_EXCEPTION |
+ INTR_INFO_DELIEVER_CODE_MASK |
+ INTR_INFO_VALID_MASK);
+}
+
static void reload_tss(void)
{
#ifndef __x86_64__
@@ -1318,7 +1330,7 @@ static int handle_rdmsr(struct kvm_vcpu
u64 data;
if (vmx_get_msr(vcpu, ecx, &data)) {
- inject_gp(vcpu);
+ vmx_inject_gp(vcpu, 0);
return 1;
}
@@ -1336,7 +1348,7 @@ static int handle_wrmsr(struct kvm_vcpu
| ((u64)(vcpu->regs[VCPU_REGS_RDX] & -1u) << 32);
if (vmx_set_msr(vcpu, ecx, data) != 0) {
- inject_gp(vcpu);
+ vmx_inject_gp(vcpu, 0);
return 1;
}
@@ -1682,6 +1694,8 @@ static struct kvm_arch_ops vmx_arch_ops
.flush_tlb = vmx_flush_tlb,
.inject_page_fault = vmx_inject_page_fault,
+ .inject_gp = vmx_inject_gp,
+
.run = vmx_vcpu_run,
.skip_emulated_instruction = skip_emulated_instruction,
.vcpu_setup = vmx_vcpu_setup,
-
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/
Powered by blists - more mailing lists