Re: [PATCH v3] i2c: i801: Safely share SMBus with BIOS/ACPI

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On 17/12/2021 09.31, Alex Henrie wrote:
> Dear kernel developers,
> 
> I am having a similar problem, but unfortunately this patch doesn't
> work for me (I get the error "BIOS uses SMBus unsafely"). Would it be
> acceptable to add a module parameter to allow access to the SMBus, even
> if the BIOS is using it? I realize that this is not a good idea in
> general, but I believe it is safe in my particular case, and I don't
> see any other way to solve my problem.
> 
> -Alex
> 

How is this safe in your case? If the BIOS is using SMBus without
locking it, and may do so at any time, then there's no way to safely use
it from Linux.

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



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