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

From: Marc Zyngier
Date: Tue Mar 24 2020 - 08:35:12 EST


On Tue, 24 Mar 2020 10:43:09 +0800
Zenghui Yu <yuzenghui@xxxxxxxxxx> wrote:

> 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@xxxxxxxxxx>
> > Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>
> > Link: https://lore.kernel.org/r/20200304203330.4967-15-maz@xxxxxxxxxx
> > ---
> > 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.

Dammit. This is the *3rd* time I fsck the rebase. Someone *please* hit
me on the head. Hard.

Now *really* fixed:

https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?h=kvm-arm64/gic-v4.1&id=05d32df13c6b3c0850b68928048536e9a736d520

Thanks,

M.
--
Jazz is not dead. It just smells funny...