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[Qemu-devel] [PATCH 05/88] Introduce cpu_clean_all_dirty
From: |
Michael Roth |
Subject: |
[Qemu-devel] [PATCH 05/88] Introduce cpu_clean_all_dirty |
Date: |
Thu, 8 Jan 2015 11:33:09 -0600 |
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>
(cherry picked from commit de9d61e83d43be9069e6646fa9d57a3f47779d28)
Conflicts:
kvm-all.c
*removed context dependency on kvm_cpu_synchronize_post_init
Signed-off-by: Michael Roth <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 5e7f2cf..492defe 100644
--- a/cpus.c
+++ b/cpus.c
@@ -523,6 +523,15 @@ 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 174ea36..777dc66 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -348,6 +348,7 @@ 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 */
@@ -372,6 +373,13 @@ 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 1402f4f..40f6b55 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1681,6 +1681,11 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
cpu->kvm_vcpu_dirty = false;
}
+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;
--
1.9.1
- [Qemu-devel] Patch Round-up for stable 2.1.3, freeze on 2015-01-14, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 02/88] qdev: Add cleanup logic in device_set_realized() to avoid resource leak, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 04/88] xhci PCIe endpoint migration compatibility fix, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 01/88] qdev: Use NULL instead of local_err for qbus_child unrealize, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 03/88] exec: file_ram_alloc(): print error when prealloc fails, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 10/88] virtio-pci: enable bus master for old guests, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 05/88] Introduce cpu_clean_all_dirty,
Michael Roth <=
- [Qemu-devel] [PATCH 08/88] kvmclock: Add comment explaining why we need cpu_clean_all_dirty(), Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 09/88] pci: Use bus master address space for delivering MSI/MSI-X messages, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 07/88] kvmclock: Ensure time in migration never goes backward, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 06/88] kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 12/88] hw/arm/virt: fix pl011 and pl031 irq flags, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 13/88] gdbstub: init mon_chr through qemu_chr_alloc, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 14/88] qapi: add visit_start_union and visit_end_union, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 11/88] spapr_pci: map the MSI window in each PHB, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 15/88] qapi: dealloc visitor, implement visit_start_union, Michael Roth, 2015/01/08
- [Qemu-devel] [PATCH 16/88] tests: add QMP input visitor test for unions with no discriminator, Michael Roth, 2015/01/08