linux-kernel - Re: [PATCH v5 4/5] x86/hyper-v: rename ipi_arg_{ex,non

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Message-ID: <d49b69c6-0d2c-5438-b8a0-ef87bae02b0c@redhat.com>
Date:   Fri, 14 Sep 2018 19:37:11 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Vitaly Kuznetsov <vkuznets@...hat.com>, kvm@...r.kernel.org
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Roman Kagan <rkagan@...tuozzo.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>,
        Mohammed Gamal <mmorsy@...hat.com>,
        Cathy Avery <cavery@...hat.com>,
        Wanpeng Li <wanpeng.li@...mail.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 4/5] x86/hyper-v: rename ipi_arg_{ex,non_ex} structures

On 27/08/2018 18:48, Vitaly Kuznetsov wrote:
> These structures are going to be used from KVM code so let's make
> their names reflect their Hyper-V origin.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> Reviewed-by: Roman Kagan <rkagan@...tuozzo.com>

KY, can you ack this patch?

Thanks,

Paolo

> ---
>  arch/x86/hyperv/hv_apic.c          |  8 ++++----
>  arch/x86/include/asm/hyperv-tlfs.h | 16 +++++++++-------
>  2 files changed, 13 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
> index 5b0f613428c2..2c43e3055948 100644
> --- a/arch/x86/hyperv/hv_apic.c
> +++ b/arch/x86/hyperv/hv_apic.c
> @@ -95,8 +95,8 @@ static void hv_apic_eoi_write(u32 reg, u32 val)
>   */
>  static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector)
>  {
> -	struct ipi_arg_ex **arg;
> -	struct ipi_arg_ex *ipi_arg;
> +	struct hv_send_ipi_ex **arg;
> +	struct hv_send_ipi_ex *ipi_arg;
>  	unsigned long flags;
>  	int nr_bank = 0;
>  	int ret = 1;
> @@ -105,7 +105,7 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector)
>  		return false;
>  
>  	local_irq_save(flags);
> -	arg = (struct ipi_arg_ex **)this_cpu_ptr(hyperv_pcpu_input_arg);
> +	arg = (struct hv_send_ipi_ex **)this_cpu_ptr(hyperv_pcpu_input_arg);
>  
>  	ipi_arg = *arg;
>  	if (unlikely(!ipi_arg))
> @@ -135,7 +135,7 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector)
>  static bool __send_ipi_mask(const struct cpumask *mask, int vector)
>  {
>  	int cur_cpu, vcpu;
> -	struct ipi_arg_non_ex ipi_arg;
> +	struct hv_send_ipi ipi_arg;
>  	int ret = 1;
>  
>  	trace_hyperv_send_ipi_mask(mask, vector);
> diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
> index e977b6b3a538..00e01d215f74 100644
> --- a/arch/x86/include/asm/hyperv-tlfs.h
> +++ b/arch/x86/include/asm/hyperv-tlfs.h
> @@ -726,19 +726,21 @@ struct hv_enlightened_vmcs {
>  #define HV_STIMER_AUTOENABLE		(1ULL << 3)
>  #define HV_STIMER_SINT(config)		(__u8)(((config) >> 16) & 0x0F)
>  
> -struct ipi_arg_non_ex {
> -	u32 vector;
> -	u32 reserved;
> -	u64 cpu_mask;
> -};
> -
>  struct hv_vpset {
>  	u64 format;
>  	u64 valid_bank_mask;
>  	u64 bank_contents[];
>  };
>  
> -struct ipi_arg_ex {
> +/* HvCallSendSyntheticClusterIpi hypercall */
> +struct hv_send_ipi {
> +	u32 vector;
> +	u32 reserved;
> +	u64 cpu_mask;
> +};
> +
> +/* HvCallSendSyntheticClusterIpiEx hypercall */
> +struct hv_send_ipi_ex {
>  	u32 vector;
>  	u32 reserved;
>  	struct hv_vpset vp_set;
>