Re: [PATCH v4 RESEND 4/5] x86/hyper-v: rename ipi_arg_{ex,non_ex} structures
From: Paolo Bonzini
Date: Fri Sep 14 2018 - 13:34:39 EST
On 22/08/2018 12:18, 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@xxxxxxxxxx>
> Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>
> ---
> arch/x86/hyperv/hv_apic.c | 12 ++++++------
> arch/x86/include/asm/hyperv-tlfs.h | 16 +++++++++-------
> 2 files changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c
> index 402338365651..49284e1506b1 100644
> --- a/arch/x86/hyperv/hv_apic.c
> +++ b/arch/x86/hyperv/hv_apic.c
> @@ -93,14 +93,14 @@ 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;
>
> 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))
> @@ -130,8 +130,8 @@ 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 **arg;
> - struct ipi_arg_non_ex *ipi_arg;
> + struct hv_send_ipi **arg;
> + struct hv_send_ipi *ipi_arg;
> int ret = 1;
> unsigned long flags;
>
> @@ -148,7 +148,7 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector)
> return __send_ipi_mask_ex(mask, vector);
>
> local_irq_save(flags);
> - arg = (struct ipi_arg_non_ex **)this_cpu_ptr(hyperv_pcpu_input_arg);
> + arg = (struct hv_send_ipi **)this_cpu_ptr(hyperv_pcpu_input_arg);
>
> ipi_arg = *arg;
> if (unlikely(!ipi_arg))
> diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
> index 08e24f552030..d0554409a3de 100644
> --- a/arch/x86/include/asm/hyperv-tlfs.h
> +++ b/arch/x86/include/asm/hyperv-tlfs.h
> @@ -725,19 +725,21 @@ 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;
>
This doesn't apply anymore, sorry.
Paolo