Re: [PATCH v9 4/7] ACPI: APEI: EINJ: Discover EINJv2 parameters

[Ira Weiny]

Zaid Alali wrote:
> The EINJv2 set_error_type_with_address structure has a flex array
> to hold the component IDs and syndrome values used when injecting
> multiple errors at once.
> 
> Discover the size of this array by taking the address from the
> ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS entry in the EINJ table
> and reading the BIOS copy of the structure.
> 
> Derive the maximum number of components from the length field
> in the einjv2_extension_struct at the end of the BIOS copy.
> 
> Map the whole of the structure into kernel memory (and unmap
> on module unload).
> 
> [Tony: Code unchanged from Zaid's original. New commit message]
> 
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>
> Signed-off-by: Zaid Alali <zaidal@xxxxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>

[snip]