linux-kernel - Re: [PATCH v6 14/23] irqchip/gic-v4.1: Add VSGI allocation/teardown

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Date:   Tue, 24 Mar 2020 10:43:09 +0800
From:   Zenghui Yu <yuzenghui@...wei.com>
To:     Marc Zyngier <maz@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kvmarm@...ts.cs.columbia.edu>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jason Cooper <jason@...edaemon.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Eric Auger <eric.auger@...hat.com>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: Re: [PATCH v6 14/23] irqchip/gic-v4.1: Add VSGI allocation/teardown

Hi Marc,

On 2020/3/21 2:23, Marc Zyngier wrote:
> Allocate per-VPE SGIs when initializing the GIC-specific part of the
> VPE data structure.
> 
> Signed-off-by: Marc Zyngier <maz@...nel.org>
> Reviewed-by: Zenghui Yu <yuzenghui@...wei.com>
> Link: https://lore.kernel.org/r/20200304203330.4967-15-maz@kernel.org
> ---
>   drivers/irqchip/irq-gic-v3-its.c   |  2 +-
>   drivers/irqchip/irq-gic-v4.c       | 68 +++++++++++++++++++++++++++++-
>   include/linux/irqchip/arm-gic-v4.h |  4 +-
>   3 files changed, 71 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
> index 15250faa9ef7..7ad46ff5f0b9 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -4053,7 +4053,7 @@ static int its_sgi_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
>   	struct its_cmd_info *info = vcpu_info;
>   
>   	switch (info->cmd_type) {
> -	case PROP_UPDATE_SGI:
> +	case PROP_UPDATE_VSGI:
>   		vpe->sgi_config[d->hwirq].priority = info->priority;
>   		vpe->sgi_config[d->hwirq].group = info->group;
>   		its_configure_sgi(d, false);

[...]

> @@ -103,7 +105,7 @@ enum its_vcpu_info_cmd_type {
>   	SCHEDULE_VPE,
>   	DESCHEDULE_VPE,
>   	INVALL_VPE,
> -	PROP_UPDATE_SGI,
> +	PROP_UPDATE_VSGI,
>   };
>   
>   struct its_cmd_info {

As Eric pointed out, this belongs to patch #12.


Thanks,
Zenghui