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author | Rusty Russell <rusty@rustcorp.com.au> | 2007-09-06 01:21:32 +1000 |
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committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:27 +0200 |
commit | 1747fb71fd7c9389696e91f354d2f841b5c85790 (patch) | |
tree | 8c0658884e62693a94c2ebd35f83331ffa083a7d /drivers/kvm/kvm_main.c | |
parent | 81f50e3bfdf864103ef890ca156e7a9c922c7089 (diff) | |
download | op-kernel-dev-1747fb71fd7c9389696e91f354d2f841b5c85790.zip op-kernel-dev-1747fb71fd7c9389696e91f354d2f841b5c85790.tar.gz |
KVM: Hoist SVM's get_cs_db_l_bits into core code.
SVM gets the DB and L bits for the cs by decoding the segment. This
is in fact the completely generic code, so hoist it for kvm-lite to use.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/kvm_main.c')
-rw-r--r-- | drivers/kvm/kvm_main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 7341c09..9dffbbe 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2270,6 +2270,16 @@ static int kvm_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, return 0; } +void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) +{ + struct kvm_segment cs; + + get_segment(vcpu, &cs, VCPU_SREG_CS); + *db = cs.db; + *l = cs.l; +} +EXPORT_SYMBOL_GPL(kvm_get_cs_db_l_bits); + /* * List of msr numbers which we expose to userspace through KVM_GET_MSRS * and KVM_SET_MSRS, and KVM_GET_MSR_INDEX_LIST. |