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[PATCH v4 05/30] accel/kvm: Implement AccelOpsClass::has_work()
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v4 05/30] accel/kvm: Implement AccelOpsClass::has_work() |
Date: |
Sun, 12 Sep 2021 19:27:06 +0200 |
Implement KVM has_work() handler in AccelOpsClass and
remove it from cpu_thread_is_idle() since cpu_has_work()
is already called.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
accel/kvm/kvm-accel-ops.c | 6 ++++++
softmmu/cpus.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/accel/kvm/kvm-accel-ops.c b/accel/kvm/kvm-accel-ops.c
index 7516c67a3f5..6f4d5df3a0d 100644
--- a/accel/kvm/kvm-accel-ops.c
+++ b/accel/kvm/kvm-accel-ops.c
@@ -74,6 +74,11 @@ static void kvm_start_vcpu_thread(CPUState *cpu)
cpu, QEMU_THREAD_JOINABLE);
}
+static bool kvm_cpu_has_work(CPUState *cpu)
+{
+ return kvm_halt_in_kernel();
+}
+
static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
{
AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
@@ -83,6 +88,7 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, void
*data)
ops->synchronize_post_init = kvm_cpu_synchronize_post_init;
ops->synchronize_state = kvm_cpu_synchronize_state;
ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm;
+ ops->has_work = kvm_cpu_has_work;
}
static const TypeInfo kvm_accel_ops_type = {
diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index 2a61dfd6287..3db7bd4eb4d 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -90,7 +90,7 @@ bool cpu_thread_is_idle(CPUState *cpu)
return true;
}
if (!cpu->halted || cpu_has_work(cpu) ||
- kvm_halt_in_kernel() || whpx_apic_in_platform()) {
+ whpx_apic_in_platform()) {
return false;
}
return true;
--
2.31.1
- [PATCH v4 00/30] accel: Move has_work() from SysemuCPUOps to AccelOpsClass, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 01/30] accel/tcg: Restrict cpu_handle_halt() to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 02/30] hw/core: Restrict cpu_has_work() to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 03/30] hw/core: Un-inline cpu_has_work(), Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 04/30] sysemu: Introduce AccelOpsClass::has_work(), Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 05/30] accel/kvm: Implement AccelOpsClass::has_work(),
Philippe Mathieu-Daudé <=
- [PATCH v4 07/30] accel/tcg: Implement AccelOpsClass::has_work() as stub, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 06/30] accel/whpx: Implement AccelOpsClass::has_work(), Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 08/30] target/alpha: Restrict has_work() handler to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 09/30] target/arm: Restrict has_work() handler to sysemu and TCG, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 10/30] target/avr: Restrict has_work() handler to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 11/30] target/cris: Restrict has_work() handler to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 12/30] target/hexagon: Remove unused has_work() handler, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 13/30] target/hppa: Restrict has_work() handler to sysemu, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 14/30] target/i386: Restrict has_work() handler to sysemu and TCG, Philippe Mathieu-Daudé, 2021/09/12
- [PATCH v4 15/30] target/m68k: Restrict has_work() handler to sysemu, Philippe Mathieu-Daudé, 2021/09/12