Patchwork [5/6] KVM: Move and rename regs_modified

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Submitter Marcelo Tosatti
Date Feb. 3, 2010, 11:55 p.m.
Message ID <9ded2744667292d020455f51664eb161a449c243.1265241351.git.mtosatti@redhat.com>
Download mbox | patch
Permalink /patch/44433/
State New
Headers show

Comments

Marcelo Tosatti - Feb. 3, 2010, 11:55 p.m.
From: Jan Kiszka <jan.kiszka@siemens.com>

Touching the user space representation of KVM's VCPU state is -
naturally - a per-VCPU thing. So move the dirty flag into KVM_CPU_COMMON
and rename it at this chance to reflect its true meaning.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 cpu-defs.h |    3 ++-
 kvm-all.c  |   13 ++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

Patch

diff --git a/cpu-defs.h b/cpu-defs.h
index 95068b5..7fdbe97 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -197,6 +197,7 @@  typedef struct CPUWatchpoint {
     const char *cpu_model_str;                                          \
     struct KVMState *kvm_state;                                         \
     struct kvm_run *kvm_run;                                            \
-    int kvm_fd;
+    int kvm_fd;                                                         \
+    int kvm_vcpu_dirty;
 
 #endif
diff --git a/kvm-all.c b/kvm-all.c
index f8350c9..6c0fd37 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -57,7 +57,6 @@  struct KVMState
     KVMSlot slots[32];
     int fd;
     int vmfd;
-    int regs_modified;
     int coalesced_mmio;
 #ifdef KVM_CAP_COALESCED_MMIO
     struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
@@ -574,9 +573,9 @@  void kvm_flush_coalesced_mmio_buffer(void)
 
 void kvm_cpu_synchronize_state(CPUState *env)
 {
-    if (!env->kvm_state->regs_modified) {
+    if (!env->kvm_vcpu_dirty) {
         kvm_arch_get_registers(env);
-        env->kvm_state->regs_modified = 1;
+        env->kvm_vcpu_dirty = 1;
     }
 }
 
@@ -594,9 +593,9 @@  int kvm_cpu_exec(CPUState *env)
             break;
         }
 
-        if (env->kvm_state->regs_modified) {
+        if (env->kvm_vcpu_dirty) {
             kvm_arch_put_registers(env);
-            env->kvm_state->regs_modified = 0;
+            env->kvm_vcpu_dirty = 0;
         }
 
         kvm_arch_pre_run(env, run);
@@ -946,9 +945,9 @@  static void kvm_invoke_set_guest_debug(void *data)
     struct kvm_set_guest_debug_data *dbg_data = data;
     CPUState *env = dbg_data->env;
 
-    if (env->kvm_state->regs_modified) {
+    if (env->kvm_vcpu_dirty) {
         kvm_arch_put_registers(env);
-        env->kvm_state->regs_modified = 0;
+        env->kvm_vcpu_dirty = 0;
     }
     dbg_data->err = kvm_vcpu_ioctl(env, KVM_SET_GUEST_DEBUG, &dbg_data->dbg);
 }