KVM: remove old KVMTRACE support code

Return EOPNOTSUPP for KVM_TRACE_ENABLE/PAUSE/DISABLE ioctls.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 1 insertions, 30 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 671051829da6..76c640834ea6 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -14,7 +14,7 @@
 
 #define KVM_API_VERSION 12
 
-/* for KVM_TRACE_ENABLE */
+/* for KVM_TRACE_ENABLE, deprecated */
 struct kvm_user_trace_setup {
         __u32 buf_size; /* sub_buffer size of each per-cpu */
         __u32 buf_nr; /* the number of sub_buffers of each per-cpu */
@@ -325,35 +325,6 @@ struct kvm_guest_debug {
 #define KVM_TRC_CYCLE_SIZE      8
 #define KVM_TRC_EXTRA_MAX       7
 
-/* This structure represents a single trace buffer record. */
-struct kvm_trace_rec {
-        /* variable rec_val
-         * is split into:
-         * bits 0 - 27  -> event id
-         * bits 28 -30  -> number of extra data args of size u32
-         * bits 31      -> binary indicator for if tsc is in record
-         */
-        __u32 rec_val;
-        __u32 pid;
-        __u32 vcpu_id;
-        union {
-                struct {
-                        __u64 timestamp;
-                        __u32 extra_u32[KVM_TRC_EXTRA_MAX];
-                } __attribute__((packed)) timestamp;
-                struct {
-                        __u32 extra_u32[KVM_TRC_EXTRA_MAX];
-                } notimestamp;
-        } u;
-};
-
-#define TRACE_REC_EVENT_ID(val) \
-                (0x0fffffff & (val))
-#define TRACE_REC_NUM_DATA_ARGS(val) \
-                (0x70000000 & ((val) << 28))
-#define TRACE_REC_TCS(val) \
-                (0x80000000 & ((val) << 31))
-
 #define KVMIO 0xAE
 
 /*