[PATCH v5 4/7] clocksource/drivers/exynos_mct: Use percpu interrupts only on ARM64

William McVicker willmcvicker at google.com
Fri Oct 24 08:54:35 PDT 2025


On 10/24/2025, Marek Szyprowski wrote:
> On 23.10.2025 22:52, Will McVicker wrote:
> > From: Marek Szyprowski <m.szyprowski at samsung.com>
> >
> > For some unknown reasons forcing percpu interrupts for local timers
> > breaks CPU hotplug for 'little' cores on legacy ARM 32bit Exynos based
> > machines (for example Exynos5422-based Odroid-XU3/XU4 boards). Use percpu
> > flag only when driver is compiled for newer ARM64 architecture.
> >
> > Fixes: f3cec54ee3bf ("clocksource/drivers/exynos_mct: Set local timer interrupts as percpu")
> 
> This tag doesn't make sense in this patchset. Simply squash this change 
> with the previous one, adding the following tags:
> 
> Suggested-by: Marek Szyprowski <m.szyprowski at samsung.com>
> Link: 
> https://lore.kernel.org/all/20250827102645.1964659-1-m.szyprowski@samsung.com/ 

Okay, no problem!

--Will



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