Re: [PATCH 22/24] irqchip/gic-v5: Add GICv5 ITS support

[Thomas Gleixner]

On Thu, Apr 10 2025 at 10:08, Lorenzo Pieralisi wrote:
> On Wed, Apr 09, 2025 at 08:57:02PM +0200, Thomas Gleixner wrote:
> Anyway - as I mentioned in the cover letter, the current IWB driver
> design, (patch 23 - where the guard(mutex) bug is and more readl_poll_*
> boilerplate :), sorry), is a bit of a question (should I move it to
> DOMAIN_BUS_WIRED_TO_MSI with the fixed eventid caveat to solve somehow),
> or is it OK "as-is", treating it basically as an ITS hardcoded plugin ?

I'm not sure whether DOMAIN_BUS_WIRED_TO_MSI buys much, but OTOH from a
layering perspective it's more in line with the existing wire to MSI
implementations. Marc might have an opinion there :)

Thanks,

        tglx