Messages in this thread | | | Subject | Re: [PATCH v3 08/16] irqchip/gic: Configure SGIs as standard interrupts | From | Jon Hunter <> | Date | Thu, 17 Sep 2020 09:49:06 +0100 |
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On 17/09/2020 09:45, Marc Zyngier wrote: > On 2020-09-17 08:54, Jon Hunter wrote: >> On 17/09/2020 08:50, Marc Zyngier wrote: >>> Hi Linus, >>> >>> On 2020-09-17 08:40, Linus Walleij wrote: >>>> On Wed, Sep 16, 2020 at 5:11 PM Marc Zyngier <maz@kernel.org> wrote: >>>> >>>>> Can you try the patch below and let me know? >>>> >>>> I tried this patch and now Ux500 WORKS. So this patch is definitely >>>> something you should apply. >>>> >>>>> - if (is_frankengic()) >>>>> - set_sgi_intid(irqstat); >>>>> + this_cpu_write(sgi_intid, intid); >>>> >>>> This needs changing to irqstat to compile as pointed out by Jon. >>>> >>>> With that: >>>> Tested-by: Linus Walleij <linus.walleij@linaro.org> >>> >>> Thanks a lot for that. >>> >>> Still need to understand why some of Jon's systems are left unbootable, >>> despite having similar GIC implementations (Tegra194 and Tegra210 use >>> the same GIC-400, and yet only one of the two boots correctly...). >> >> So far, I have only tested this patch on Tegra20. Let me try the other >> failing boards this morning and see if those still fail. > > Tegra20 (if I remember well) is a dual A9 with the same GIC implementation > as Ux500, hence requiring the source CPU bits to be written back. So this > patch should have cured it, but didn't... > > /me puzzled.
Me too. Maybe there just happens to be something else also going wrong in next. I am doing a bit more testing to see if applying the fix directly on top of this change fixes it to try and eliminate anything else in -next.
Linus, what -next are you testing on? I am using next-20200916.
Jon
-- nvpublic
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