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kvm: Simplify cpu_synchronize_state()

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cpu_synchronize_state() is a little unreadable since the 'modified'
argument isn't self-explanatory.  Simplify it by making it always
synchronize the kernel state into qemu, and automatically flush the
registers back to the kernel if they've been synchronized on this
exit.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Avi Kivity 2009-08-17 23:19:53 +03:00 • committed by Anthony Liguori
parent 09aaa1602f
commit 4c0960c0c4
8 changed files with 34 additions and 21 deletions
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8
kvm.h
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@ -128,16 +128,14 @@ int kvm_check_extension(KVMState *s, unsigned int extension);
uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
int reg);
void kvm_cpu_synchronize_state(CPUState *env);
/* generic hooks - to be moved/refactored once there are more users */
static inline void cpu_synchronize_state(CPUState *env, int modified)
static inline void cpu_synchronize_state(CPUState *env)
{
if (kvm_enabled()) {
if (modified)
kvm_arch_put_registers(env);
else
kvm_arch_get_registers(env);
kvm_cpu_synchronize_state(env);
}
}