diff mbox series

[PATCH-for-9.0,08/16] target/arm/kvm: Have kvm_arm_pmu_init take a ARMCPU argument

Message ID 20231123183518.64569-9-philmd@linaro.org
State New
Headers show
Series target/arm/kvm: Unify kvm_arm_FOO() API | expand

Commit Message

Philippe Mathieu-Daudé Nov. 23, 2023, 6:35 p.m. UTC
Unify the "kvm_arm.h" API: All functions related to ARM vCPUs
take a ARMCPU* argument. Use the CPU() QOM cast macro When
calling the generic vCPU API from "sysemu/kvm.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/arm/kvm_arm.h | 4 ++--
 hw/arm/virt.c        | 2 +-
 target/arm/kvm.c     | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

Comments

Gavin Shan Nov. 27, 2023, 4:20 a.m. UTC | #1
Hi Phil,

On 11/24/23 05:35, Philippe Mathieu-Daudé wrote:
> Unify the "kvm_arm.h" API: All functions related to ARM vCPUs
> take a ARMCPU* argument. Use the CPU() QOM cast macro When
> calling the generic vCPU API from "sysemu/kvm.h".
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   target/arm/kvm_arm.h | 4 ++--
>   hw/arm/virt.c        | 2 +-
>   target/arm/kvm.c     | 6 +++---
>   3 files changed, 6 insertions(+), 6 deletions(-)
> 

One nit below, but I guess it doesn't matter.

Reviewed-by: Gavin Shan <gshan@redhat.com>

> diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
> index 0e12a008ab..fde1c45609 100644
> --- a/target/arm/kvm_arm.h
> +++ b/target/arm/kvm_arm.h
> @@ -200,8 +200,8 @@ int kvm_arm_get_max_vm_ipa_size(MachineState *ms, bool *fixed_ipa);
>   
>   int kvm_arm_vgic_probe(void);
>   
> +void kvm_arm_pmu_init(ARMCPU *cpu);
>   void kvm_arm_pmu_set_irq(CPUState *cs, int irq);
> -void kvm_arm_pmu_init(CPUState *cs);
>   

Why the order of the declaration is changed? I guess the reason would be
kvm_arm_pmu_init() is called prior to kvm_arm_pmu_set_irq().

>   /**
>    * kvm_arm_pvtime_init:
> @@ -263,7 +263,7 @@ static inline void kvm_arm_pmu_set_irq(CPUState *cs, int irq)
>       g_assert_not_reached();
>   }
>   
> -static inline void kvm_arm_pmu_init(CPUState *cs)
> +static inline void kvm_arm_pmu_init(ARMCPU *cpu)
>   {
>       g_assert_not_reached();
>   }
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index b6efe9da4d..63f3c0b750 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -2000,7 +2000,7 @@ static void virt_cpu_post_init(VirtMachineState *vms, MemoryRegion *sysmem)
>                   if (kvm_irqchip_in_kernel()) {
>                       kvm_arm_pmu_set_irq(cpu, VIRTUAL_PMU_IRQ);
>                   }
> -                kvm_arm_pmu_init(cpu);
> +                kvm_arm_pmu_init(ARM_CPU(cpu));
>               }
>               if (steal_time) {
>                   kvm_arm_pvtime_init(ARM_CPU(cpu), pvtime_reg_base
> diff --git a/target/arm/kvm.c b/target/arm/kvm.c
> index 82c5924ab5..e7cbe1ff05 100644
> --- a/target/arm/kvm.c
> +++ b/target/arm/kvm.c
> @@ -1711,17 +1711,17 @@ static bool kvm_arm_set_device_attr(ARMCPU *cpu, struct kvm_device_attr *attr,
>       return true;
>   }
>   
> -void kvm_arm_pmu_init(CPUState *cs)
> +void kvm_arm_pmu_init(ARMCPU *cpu)
>   {
>       struct kvm_device_attr attr = {
>           .group = KVM_ARM_VCPU_PMU_V3_CTRL,
>           .attr = KVM_ARM_VCPU_PMU_V3_INIT,
>       };
>   
> -    if (!ARM_CPU(cs)->has_pmu) {
> +    if (!cpu->has_pmu) {
>           return;
>       }
> -    if (!kvm_arm_set_device_attr(ARM_CPU(cs), &attr, "PMU")) {
> +    if (!kvm_arm_set_device_attr(cpu, &attr, "PMU")) {
>           error_report("failed to init PMU");
>           abort();
>       }

Thanks,
Gavin
Philippe Mathieu-Daudé Nov. 28, 2023, 6:46 a.m. UTC | #2
On 27/11/23 05:20, Gavin Shan wrote:
> Hi Phil,
> 
> On 11/24/23 05:35, Philippe Mathieu-Daudé wrote:
>> Unify the "kvm_arm.h" API: All functions related to ARM vCPUs
>> take a ARMCPU* argument. Use the CPU() QOM cast macro When
>> calling the generic vCPU API from "sysemu/kvm.h".
>>
>> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>> ---
>>   target/arm/kvm_arm.h | 4 ++--
>>   hw/arm/virt.c        | 2 +-
>>   target/arm/kvm.c     | 6 +++---
>>   3 files changed, 6 insertions(+), 6 deletions(-)
>>
> 
> One nit below, but I guess it doesn't matter.
> 
> Reviewed-by: Gavin Shan <gshan@redhat.com>
> 
>> diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
>> index 0e12a008ab..fde1c45609 100644
>> --- a/target/arm/kvm_arm.h
>> +++ b/target/arm/kvm_arm.h
>> @@ -200,8 +200,8 @@ int kvm_arm_get_max_vm_ipa_size(MachineState *ms, 
>> bool *fixed_ipa);
>>   int kvm_arm_vgic_probe(void);
>> +void kvm_arm_pmu_init(ARMCPU *cpu);
>>   void kvm_arm_pmu_set_irq(CPUState *cs, int irq);
>> -void kvm_arm_pmu_init(CPUState *cs);
> 
> Why the order of the declaration is changed? I guess the reason would be
> kvm_arm_pmu_init() is called prior to kvm_arm_pmu_set_irq().

Yes, exactly. Not worth mentioning IMHO.

Thanks!

Phil.
diff mbox series

Patch

diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
index 0e12a008ab..fde1c45609 100644
--- a/target/arm/kvm_arm.h
+++ b/target/arm/kvm_arm.h
@@ -200,8 +200,8 @@  int kvm_arm_get_max_vm_ipa_size(MachineState *ms, bool *fixed_ipa);
 
 int kvm_arm_vgic_probe(void);
 
+void kvm_arm_pmu_init(ARMCPU *cpu);
 void kvm_arm_pmu_set_irq(CPUState *cs, int irq);
-void kvm_arm_pmu_init(CPUState *cs);
 
 /**
  * kvm_arm_pvtime_init:
@@ -263,7 +263,7 @@  static inline void kvm_arm_pmu_set_irq(CPUState *cs, int irq)
     g_assert_not_reached();
 }
 
-static inline void kvm_arm_pmu_init(CPUState *cs)
+static inline void kvm_arm_pmu_init(ARMCPU *cpu)
 {
     g_assert_not_reached();
 }
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index b6efe9da4d..63f3c0b750 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2000,7 +2000,7 @@  static void virt_cpu_post_init(VirtMachineState *vms, MemoryRegion *sysmem)
                 if (kvm_irqchip_in_kernel()) {
                     kvm_arm_pmu_set_irq(cpu, VIRTUAL_PMU_IRQ);
                 }
-                kvm_arm_pmu_init(cpu);
+                kvm_arm_pmu_init(ARM_CPU(cpu));
             }
             if (steal_time) {
                 kvm_arm_pvtime_init(ARM_CPU(cpu), pvtime_reg_base
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 82c5924ab5..e7cbe1ff05 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -1711,17 +1711,17 @@  static bool kvm_arm_set_device_attr(ARMCPU *cpu, struct kvm_device_attr *attr,
     return true;
 }
 
-void kvm_arm_pmu_init(CPUState *cs)
+void kvm_arm_pmu_init(ARMCPU *cpu)
 {
     struct kvm_device_attr attr = {
         .group = KVM_ARM_VCPU_PMU_V3_CTRL,
         .attr = KVM_ARM_VCPU_PMU_V3_INIT,
     };
 
-    if (!ARM_CPU(cs)->has_pmu) {
+    if (!cpu->has_pmu) {
         return;
     }
-    if (!kvm_arm_set_device_attr(ARM_CPU(cs), &attr, "PMU")) {
+    if (!kvm_arm_set_device_attr(cpu, &attr, "PMU")) {
         error_report("failed to init PMU");
         abort();
     }