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[Qemu-devel] [PATCH 3/7] KVM regsync: Add register level parameter to do
From: |
Jason J. Herne |
Subject: |
[Qemu-devel] [PATCH 3/7] KVM regsync: Add register level parameter to do_kvm_cpu_synchronize_state |
Date: |
Fri, 21 Dec 2012 08:56:01 -0500 |
From: "Jason J. Herne" <address@hidden>
do_kvm_cpu_synchronize_state is called via run_on_cpu, so we can only pass
a single argument. Create SyncStateArgs struct for this purpose and add
register level data member to it.
Signed-off-by: Jason J. Herne <address@hidden>
Reviewed-by: Christian Borntraeger <address@hidden>
---
include/sysemu/kvm.h | 6 ++++++
kvm-all.c | 16 ++++++++++------
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index c19b9d1..9a0e071 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -230,6 +230,12 @@ int kvm_check_extension(KVMState *s, unsigned int
extension);
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg);
+
+struct kvm_cpu_syncstate_args {
+ CPUArchState *env;
+ int register_level;
+};
+
void kvm_cpu_synchronize_state(CPUArchState *env);
void kvm_cpu_synchronize_post_reset(CPUArchState *env);
void kvm_cpu_synchronize_post_init(CPUArchState *env);
diff --git a/kvm-all.c b/kvm-all.c
index fceda59..d227e8b 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1486,22 +1486,26 @@ void kvm_flush_coalesced_mmio_buffer(void)
s->coalesced_flush_in_progress = false;
}
-static void do_kvm_cpu_synchronize_state(void *_env)
+static void do_kvm_cpu_synchronize_state(void *_args)
{
- CPUArchState *env = _env;
+ struct kvm_cpu_syncstate_args *args = _args;
- if (!env->kvm_vcpu_dirty) {
- kvm_arch_get_registers(env, KVM_REGSYNC_FULL_STATE);
- env->kvm_vcpu_dirty = 1;
+ if (!args->env->kvm_vcpu_dirty) {
+ kvm_arch_get_registers(args->env, args->register_level);
+ args->env->kvm_vcpu_dirty = 1;
}
}
void kvm_cpu_synchronize_state(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);
+ struct kvm_cpu_syncstate_args args;
+
+ args.env = env;
+ args.register_level = KVM_REGSYNC_FULL_STATE;
if (!env->kvm_vcpu_dirty) {
- run_on_cpu(cpu, do_kvm_cpu_synchronize_state, env);
+ run_on_cpu(cpu, do_kvm_cpu_synchronize_state, &args);
}
}
--
1.7.9.5
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