On Mon, Oct 05 2020 at 16:28, David Woodhouse wrote:
> From: David Woodhouse <dwmw@xxxxxxxxxxxx>
> It already takes an array of affinities for each individual irq being
> allocated but that's awkward to allocate and populate in the case
> where they're all the same and inherited from the irqdomain, so pass
> the default in separately as a simple cpumask.
So we need another cpumask argument exposed to the world just because
it's so hard to extend struct irq_affinity_desc so it supports that use
case as well. It's not written in stone that this struct can only
support arrays.
> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
> include/linux/irq.h | 10 ++++++----
> kernel/irq/devres.c | 8 ++++++--
> kernel/irq/irqdesc.c | 10 ++++++++--
> kernel/irq/irqdomain.c | 6 +++---
git grep __irq_alloc_descs() might help you to find _all_ instances ...
Thanks,
tglx
