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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2022-02-03 02:03:57 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2022-03-06 13:15:42 +0100
commit3919635582856abc7e3702c6af05f04f38b086e9 (patch)
tree83bed669306a7ceeaf7ca9f31cb5131668072061
parentad7d684dfde391de6fe5c0680f73097072fbf03a (diff)
accel: Introduce AccelOpsClass::cpus_are_resettable()
Add cpus_are_resettable() to AccelOps, and implement it for the KVM accelerator. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20220207075426.81934-12-f4bug@amsat.org>
-rw-r--r--accel/kvm/kvm-accel-ops.c6
-rw-r--r--include/sysemu/accel-ops.h2
-rw-r--r--include/sysemu/hw_accel.h5
-rw-r--r--softmmu/cpus.c5
4 files changed, 12 insertions, 6 deletions
diff --git a/accel/kvm/kvm-accel-ops.c b/accel/kvm/kvm-accel-ops.c
index 95b7b08020..c4244a23c6 100644
--- a/accel/kvm/kvm-accel-ops.c
+++ b/accel/kvm/kvm-accel-ops.c
@@ -79,12 +79,18 @@ static bool kvm_vcpu_thread_is_idle(CPUState *cpu)
return !kvm_halt_in_kernel();
}
+static bool kvm_cpus_are_resettable(void)
+{
+ return !kvm_enabled() || kvm_cpu_check_are_resettable();
+}
+
static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
{
AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
ops->create_vcpu_thread = kvm_start_vcpu_thread;
ops->cpu_thread_is_idle = kvm_vcpu_thread_is_idle;
+ ops->cpus_are_resettable = kvm_cpus_are_resettable;
ops->synchronize_post_reset = kvm_cpu_synchronize_post_reset;
ops->synchronize_post_init = kvm_cpu_synchronize_post_init;
ops->synchronize_state = kvm_cpu_synchronize_state;
diff --git a/include/sysemu/accel-ops.h b/include/sysemu/accel-ops.h
index 50c72540c7..6013c9444c 100644
--- a/include/sysemu/accel-ops.h
+++ b/include/sysemu/accel-ops.h
@@ -28,6 +28,8 @@ struct AccelOpsClass {
/* initialization function called when accel is chosen */
void (*ops_init)(AccelOpsClass *ops);
+ bool (*cpus_are_resettable)(void);
+
void (*create_vcpu_thread)(CPUState *cpu); /* MANDATORY NON-NULL */
void (*kick_vcpu_thread)(CPUState *cpu);
bool (*cpu_thread_is_idle)(CPUState *cpu);
diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h
index 01b5ebf442..22903a55f7 100644
--- a/include/sysemu/hw_accel.h
+++ b/include/sysemu/hw_accel.h
@@ -23,9 +23,4 @@ void cpu_synchronize_post_reset(CPUState *cpu);
void cpu_synchronize_post_init(CPUState *cpu);
void cpu_synchronize_pre_loadvm(CPUState *cpu);
-static inline bool cpu_check_are_resettable(void)
-{
- return kvm_enabled() ? kvm_cpu_check_are_resettable() : true;
-}
-
#endif /* QEMU_HW_ACCEL_H */
diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index b17033d3bc..e1d84c8ccb 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -195,7 +195,10 @@ void cpu_synchronize_pre_loadvm(CPUState *cpu)
bool cpus_are_resettable(void)
{
- return cpu_check_are_resettable();
+ if (cpus_accel->cpus_are_resettable) {
+ return cpus_accel->cpus_are_resettable();
+ }
+ return true;
}
int64_t cpus_get_virtual_clock(void)