From 7075bc816cfad142da92207ed5a6f3da55b143ef Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Tue, 17 Jul 2007 23:37:17 +1000 Subject: [PATCH] KVM: Use standard CR8 flags, and fix TPR definition Intel manual (and KVM definition) say the TPR is 4 bits wide. Also fix CR8_RESEVED_BITS typo. Signed-off-by: Rusty Russell Acked-by: H. Peter Anvin Signed-off-by: Avi Kivity --- drivers/kvm/kvm_main.c | 4 ++-- include/asm-x86/processor-flags.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 193197f..f0fc8d9 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -92,7 +92,7 @@ static struct dentry *debugfs_dir; | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR \ | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE)) -#define CR8_RESEVED_BITS (~0x0fULL) +#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) #define EFER_RESERVED_BITS 0xfffffffffffff2fe #ifdef CONFIG_X86_64 @@ -625,7 +625,7 @@ EXPORT_SYMBOL_GPL(set_cr3); void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) { - if ( cr8 & CR8_RESEVED_BITS) { + if (cr8 & CR8_RESERVED_BITS) { printk(KERN_DEBUG "set_cr8: #GP, reserved bits 0x%lx\n", cr8); inject_gp(vcpu); return; diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h index 5404e90..199cab1 100644 --- a/include/asm-x86/processor-flags.h +++ b/include/asm-x86/processor-flags.h @@ -63,7 +63,7 @@ /* * x86-64 Task Priority Register, CR8 */ -#define X86_CR8_TPR 0x00000007 /* task priority register */ +#define X86_CR8_TPR 0x0000000F /* task priority register */ /* * AMD and Transmeta use MSRs for configuration; see -- 2.7.4