Re: [PATCH] tpm: Map the ACPI provided event log

[Jarkko Sakkinen]

On Sun Dec 22, 2024 at 5:00 PM EET, James Bottomley wrote:
> If event logs grow to greater than KMALLOC_MAX_SIZE then absolutely it
> makes sense to map them instead of copying them.  But we'd have to do
> that for all event log locators: ACPI, EFI and OF, because event log
> size should be independent of the mechanism used to locate it.  So,
> even as a long term fix (assuming we think there's a possibility of
> logs expanding by 50x), this patch doesn't do the right thing because
> it only maps ACPI logs.

Because we have a test target only on ACPI where this happens fix
should still fix only ACPI. It's not hard to reiterate this but 
precursory iteration is a bad idea.

BR, Jarkko