[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [patch 2/3] Introduce cpu_clean_all_dirty
From: |
Marcelo Tosatti |
Subject: |
[Qemu-devel] [patch 2/3] Introduce cpu_clean_all_dirty |
Date: |
Fri, 05 Sep 2014 10:52:46 -0300 |
User-agent: |
quilt/0.60-1 |
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>
---
cpus.c | 9 +++++++++
include/sysemu/cpus.h | 1 +
include/sysemu/kvm.h | 8 ++++++++
kvm-all.c | 5 +++++
4 files changed, 23 insertions(+)
Index: qemu/cpus.c
===================================================================
--- qemu.orig/cpus.c 2014-09-04 15:38:03.304783188 -0300
+++ qemu/cpus.c 2014-09-04 15:38:31.643709731 -0300
@@ -589,6 +589,15 @@
}
}
+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;
Index: qemu/include/sysemu/cpus.h
===================================================================
--- qemu.orig/include/sysemu/cpus.h 2014-08-22 18:04:23.129789186 -0300
+++ qemu/include/sysemu/cpus.h 2014-09-04 15:38:31.710709558 -0300
@@ -10,6 +10,7 @@
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);
Index: qemu/include/sysemu/kvm.h
===================================================================
--- qemu.orig/include/sysemu/kvm.h 2014-08-22 18:04:23.129789186 -0300
+++ qemu/include/sysemu/kvm.h 2014-09-04 15:38:31.722709526 -0300
@@ -348,6 +348,7 @@
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 */
@@ -372,6 +373,13 @@
}
}
+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);
Index: qemu/kvm-all.c
===================================================================
--- qemu.orig/kvm-all.c 2014-09-04 15:38:03.338783100 -0300
+++ qemu/kvm-all.c 2014-09-04 15:38:31.722709526 -0300
@@ -1695,6 +1695,11 @@
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;
- [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Marcelo Tosatti, 2014/09/05
- [Qemu-devel] [patch 2/3] Introduce cpu_clean_all_dirty,
Marcelo Tosatti <=
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Andrey Korolyov, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Marcelo Tosatti, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Paolo Bonzini, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Andrey Korolyov, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Andrey Korolyov, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Paolo Bonzini, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Andrey Korolyov, 2014/09/05
- Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Andrey Korolyov, 2014/09/09
Re: [Qemu-devel] [patch 0/3] kvmclock: Ensure time in migration never goes backward (v3), Paolo Bonzini, 2014/09/16