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[Qemu-devel] [PULL 02/11] Introduce cpu_clean_all_dirty
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 02/11] Introduce cpu_clean_all_dirty |
Date: |
Fri, 26 Sep 2014 16:38:01 +0200 |
From: Marcelo Tosatti <address@hidden>
Introduce cpu_clean_all_dirty, to force subsequent cpu_synchronize_all_states
to read in-kernel register state.
Cc: address@hidden
Signed-off-by: Marcelo Tosatti <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
cpus.c | 9 +++++++++
include/sysemu/cpus.h | 1 +
include/sysemu/kvm.h | 8 ++++++++
kvm-all.c | 5 +++++
4 files changed, 23 insertions(+)
diff --git a/cpus.c b/cpus.c
index 2a0e133..0c33458 100644
--- a/cpus.c
+++ b/cpus.c
@@ -593,6 +593,15 @@ void cpu_synchronize_all_post_init(void)
}
}
+void cpu_clean_all_dirty(void)
+{
+ CPUState *cpu;
+
+ CPU_FOREACH(cpu) {
+ cpu_clean_state(cpu);
+ }
+}
+
static int do_vm_stop(RunState state)
{
int ret = 0;
diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h
index 4f79081..3f162a9 100644
--- a/include/sysemu/cpus.h
+++ b/include/sysemu/cpus.h
@@ -10,6 +10,7 @@ void cpu_stop_current(void);
void cpu_synchronize_all_states(void);
void cpu_synchronize_all_post_reset(void);
void cpu_synchronize_all_post_init(void);
+void cpu_clean_all_dirty(void);
void qtest_clock_warp(int64_t dest);
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index d2000af..77ee240 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -350,6 +350,7 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void
*ram_addr,
void kvm_cpu_synchronize_state(CPUState *cpu);
void kvm_cpu_synchronize_post_reset(CPUState *cpu);
void kvm_cpu_synchronize_post_init(CPUState *cpu);
+void kvm_cpu_clean_state(CPUState *cpu);
/* generic hooks - to be moved/refactored once there are more users */
@@ -374,6 +375,13 @@ static inline void cpu_synchronize_post_init(CPUState *cpu)
}
}
+static inline void cpu_clean_state(CPUState *cpu)
+{
+ if (kvm_enabled()) {
+ kvm_cpu_clean_state(cpu);
+ }
+}
+
int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg);
int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg);
void kvm_irqchip_release_virq(KVMState *s, int virq);
diff --git a/kvm-all.c b/kvm-all.c
index 8b9e66d..6c6586f 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1708,6 +1708,11 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, cpu);
}
+void kvm_cpu_clean_state(CPUState *cpu)
+{
+ cpu->kvm_vcpu_dirty = false;
+}
+
int kvm_cpu_exec(CPUState *cpu)
{
struct kvm_run *run = cpu->kvm_run;
--
2.1.0
- [Qemu-devel] [PULL 00/11] KVM (and more) patches for 2014-09-26, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 01/11] pit: fix pit interrupt can't inject into vm after migration, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 02/11] Introduce cpu_clean_all_dirty,
Paolo Bonzini <=
- [Qemu-devel] [PULL 04/11] kvmclock: Ensure time in migration never goes backward, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 03/11] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 05/11] hw/dma/i8257: Silence phony error message, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 06/11] target-i386: update fp status fix, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 08/11] serial: check if backed by a physical serial port at realize time, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 07/11] serial: reset state at startup, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 10/11] po: fix conflict with %.mo rule in rules.mak, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 09/11] kvmvapic: fix migration when VM paused and when not running Windows, Paolo Bonzini, 2014/09/26
- [Qemu-devel] [PULL 11/11] kvm/valgrind: don't mark memory as initialized, Paolo Bonzini, 2014/09/26
- Re: [Qemu-devel] [PULL 00/11] KVM (and more) patches for 2014-09-26, Peter Maydell, 2014/09/26