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Subject: Re: [RFC PATCH 7/7] irqchip/apple-aic: add SMP support to the Apple
 AIC driver.
To:     Arnd Bergmann <arnd@kernel.org>,
        Mohamed Mediouni <mohamed.mediouni@caramail.com>
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From:   Hector Martin 'marcan' <marcan@marcan.st>
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Date:   Thu, 21 Jan 2021 22:01:58 +0900
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On 21/01/2021 22.00, Arnd Bergmann wrote:
> Ok, makes sense. Does fast-ipi mean you cannot use the other mode at
> all, or is it just faster as implied by the name? If so, how much faster?

The other mode still works, as the AIC IPI registers are still there on 
M1 and work properly. I don't have performance numbers though.

-- 
Hector Martin "marcan" (marcan@marcan.st)
Public Key: https://mrcn.st/pub