[PATCH v3 06/19] irqchip/riscv-imsic: Compose MSI updates through the hierarchy

Andrew Jones andrew.jones at oss.qualcomm.com
Mon Aug 10 01:01:54 PDT 2026


On Fri, Aug 07, 2026 at 10:25:57PM +0200, Thomas Gleixner wrote:
> On Fri, Aug 07 2026 at 20:17, Andrew Jones wrote:
> > imsic_irq_set_affinity() wrote the new IMSIC target straight to the
> 
> Wrote? When was that?
> 
> You are describing the current state/context, so this wants to be
> 'write' no?

Yup. I'll fix it.

Thanks,
drew

> 
> > device via imsic_msi_update_msg(), bypassing the irqdomain hierarchy.
> > That skips any intermediate IOMMU irqdomain sitting between IMSIC and
> 
> Otherwise 'skips' makes no sense either.
> 
> > the device, so a remapped device would keep the pre-remap physical
> > address after every affinity change.



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