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hw/i386: Remove unuseful kvmclock_create() stub

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We shouldn't call kvmclock_create() when KVM is not available
or disabled:
 - check for kvm_enabled() before calling it
 - assert KVM is enabled once called
Since the call is elided when KVM is not available, we can
remove the stub (it is never compiled).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230620083228.88796-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-06-20 07:18:12 +02:00
parent f8324611c1
commit b797c98de4
5 changed files with 10 additions and 14 deletions
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4
hw/i386/kvm/clock.c
View file

@ -332,8 +332,10 @@ void kvmclock_create(bool create_always)
{
X86CPU *cpu = X86_CPU(first_cpu);
if (!kvm_enabled() || !kvm_has_adjust_clock())
assert(kvm_enabled());
if (!kvm_has_adjust_clock()) {
return;
}
if (create_always ||
cpu->env.features[FEAT_KVM] & ((1ULL << KVM_FEATURE_CLOCKSOURCE) |

4
hw/i386/microvm.c
View file

@ -180,7 +180,9 @@ static void microvm_devices_init(MicrovmMachineState *mms)
x86ms->ioapic2 = ioapic_init_secondary(gsi_state);
}
kvmclock_create(true);
if (kvm_enabled()) {
kvmclock_create(true);
}
mms->virtio_irq_base = 5;
mms->virtio_num_transports = 8;

2
hw/i386/pc_piix.c
View file

@ -192,7 +192,7 @@ static void pc_init1(MachineState *machine,
pc_machine_init_sgx_epc(pcms);
x86_cpus_init(x86ms, pcmc->default_cpu_version);
if (pcmc->kvmclock_enabled) {
if (kvm_enabled() && pcmc->kvmclock_enabled) {
kvmclock_create(pcmc->kvmclock_create_always);
}

4
hw/i386/pc_q35.c
View file

@ -183,7 +183,9 @@ static void pc_q35_init(MachineState *machine)
pc_machine_init_sgx_epc(pcms);
x86_cpus_init(x86ms, pcmc->default_cpu_version);
kvmclock_create(pcmc->kvmclock_create_always);
if (kvm_enabled()) {
kvmclock_create(pcmc->kvmclock_create_always);
}
/* pci enabled */
if (pcmc->pci_enabled) {

10
include/hw/kvm/clock.h
View file

@ -13,16 +13,6 @@
#ifndef HW_KVM_CLOCK_H
#define HW_KVM_CLOCK_H
#ifdef CONFIG_KVM
void kvmclock_create(bool create_always);
#else /* CONFIG_KVM */
static inline void kvmclock_create(bool create_always)
{
}
#endif /* !CONFIG_KVM */
#endif