Re: [RFCv2 PATCH 02/12] KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD

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On Tue, 2022-03-08 at 10:39 -0600, Suravee Suthikulpanit wrote:
> To signify that the macros only support 8-bit xAPIC destination ID.
> 
> Suggested-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
> ---
>  arch/x86/hyperv/hv_apic.c      | 2 +-
>  arch/x86/include/asm/apicdef.h | 4 ++--
>  arch/x86/kernel/apic/apic.c    | 2 +-
>  arch/x86/kernel/apic/ipi.c     | 2 +-
>  arch/x86/kvm/lapic.c           | 2 +-
>  arch/x86/kvm/svm/avic.c        | 2 +-
>  6 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
> index db2d92fb44da..fb8b2c088681 100644
> --- a/arch/x86/hyperv/hv_apic.c
> +++ b/arch/x86/hyperv/hv_apic.c
> @@ -46,7 +46,7 @@ static void hv_apic_icr_write(u32 low, u32 id)
>  {
>  	u64 reg_val;
>  
> -	reg_val = SET_APIC_DEST_FIELD(id);
> +	reg_val = SET_XAPIC_DEST_FIELD(id);
>  	reg_val = reg_val << 32;
>  	reg_val |= low;
>  
> diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
> index 5716f22f81ac..863c2cad5872 100644
> --- a/arch/x86/include/asm/apicdef.h
> +++ b/arch/x86/include/asm/apicdef.h
> @@ -89,8 +89,8 @@
>  #define		APIC_DM_EXTINT		0x00700
>  #define		APIC_VECTOR_MASK	0x000FF
>  #define	APIC_ICR2	0x310
> -#define		GET_APIC_DEST_FIELD(x)	(((x) >> 24) & 0xFF)
> -#define		SET_APIC_DEST_FIELD(x)	((x) << 24)
> +#define		GET_XAPIC_DEST_FIELD(x)	(((x) >> 24) & 0xFF)
> +#define		SET_XAPIC_DEST_FIELD(x)	((x) << 24)
>  #define	APIC_LVTT	0x320
>  #define	APIC_LVTTHMR	0x330
>  #define	APIC_LVTPC	0x340
> diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
> index b70344bf6600..e6b754e43ed7 100644
> --- a/arch/x86/kernel/apic/apic.c
> +++ b/arch/x86/kernel/apic/apic.c
> @@ -275,7 +275,7 @@ void native_apic_icr_write(u32 low, u32 id)
>  	unsigned long flags;
>  
>  	local_irq_save(flags);
> -	apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id));
> +	apic_write(APIC_ICR2, SET_XAPIC_DEST_FIELD(id));
>  	apic_write(APIC_ICR, low);
>  	local_irq_restore(flags);
>  }
> diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
> index d1fb874fbe64..2a6509e8c840 100644
> --- a/arch/x86/kernel/apic/ipi.c
> +++ b/arch/x86/kernel/apic/ipi.c
> @@ -99,7 +99,7 @@ void native_send_call_func_ipi(const struct cpumask *mask)
>  
>  static inline int __prepare_ICR2(unsigned int mask)
>  {
> -	return SET_APIC_DEST_FIELD(mask);
> +	return SET_XAPIC_DEST_FIELD(mask);
>  }
>  
>  static inline void __xapic_wait_icr_idle(void)
> diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
> index 9322e6340a74..03d1b6325eb8 100644
> --- a/arch/x86/kvm/lapic.c
> +++ b/arch/x86/kvm/lapic.c
> @@ -1286,7 +1286,7 @@ void kvm_apic_send_ipi(struct kvm_lapic *apic, u32 icr_low, u32 icr_high)
>  	if (apic_x2apic_mode(apic))
>  		irq.dest_id = icr_high;
>  	else
> -		irq.dest_id = GET_APIC_DEST_FIELD(icr_high);
> +		irq.dest_id = GET_XAPIC_DEST_FIELD(icr_high);
>  
>  	trace_kvm_apic_ipi(icr_low, irq.dest_id);
>  
> diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
> index f07956f15d3b..60cd346acd1c 100644
> --- a/arch/x86/kvm/svm/avic.c
> +++ b/arch/x86/kvm/svm/avic.c
> @@ -299,7 +299,7 @@ static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
>  	 */
>  	kvm_for_each_vcpu(i, vcpu, kvm) {
>  		if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK,
> -					GET_APIC_DEST_FIELD(icrh),
> +					GET_XAPIC_DEST_FIELD(icrh),
>  					icrl & APIC_DEST_MASK)) {
>  			vcpu->arch.apic->irr_pending = true;
>  			svm_complete_interrupt_delivery(vcpu,


Reviewed-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>

Best regards,
	Maxim Levitsky




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