linux-kernel - Re: [PATCH v2 0/6] genirq/test: Platform/architecture fixes

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Message-ID: <6646fff7-db29-4b9a-88bd-1ab2ec2b5be6@roeck-us.net>
Date: Fri, 22 Aug 2025 16:26:54 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Brian Norris <briannorris@...omium.org>,
 Thomas Gleixner <tglx@...utronix.de>
Cc: David Gow <davidgow@...gle.com>, linux-kernel@...r.kernel.org,
 Geert Uytterhoeven <geert@...ux-m68k.org>, kunit-dev@...glegroups.com
Subject: Re: [PATCH v2 0/6] genirq/test: Platform/architecture fixes

On 8/22/25 11:59, Brian Norris wrote:
> The new kunit tests at kernel/irq/irq_test.c were primarily tested on
> x86_64, with QEMU and with ARCH=um builds. Naturally, there are other
> architectures that throw complications in the mix, with various CPU
> hotplug and IRQ implementation choices.
> 
> Guenter has been dutifully noticing and reporting these errors, in
> places like:
> https://lore.kernel.org/all/b4cf04ea-d398-473f-bf11-d36643aa50dd@roeck-us.net/
> 
> I hope I've addressed all the failures, but it's hard to tell when I
> don't have cross-compilers and QEMU setups for all of these
> architectures.
> 
> I've tested what I could on arm, arm64, m68k, powerpc64, x86_64, and um
> ARCH. (Notably, patch 4 ("genirq/test: Depend on SPARSE_IRQ") drops
> support for ARCH=um and ARCH=m68k.)
> 
> This series is based on David's patch for these tests:
> 
> [PATCH] genirq/test: Fix depth tests on architectures with NOREQUEST by default.
> https://lore.kernel.org/all/20250816094528.3560222-2-davidgow@google.com/
> 

I started a round of qemu tests. I'll send out results later tonight or
tomorrow morning (unless PG&E decides that we don't need power for the rest
of the day/night ;-).

Guenter