Hi,
we have systems that declare the memory range for ERST in ACPI NVS.
Because ACPI NVS is marked 'busy' by e820_reserve_resources() the call
to request_mem_region(erst_erange.base, erst_erange.size, "APEI ERST")
made from erst_init() fails and we get:
ERST: Can not request iomem region <0x 7e91f000-0x
7e920c00> for ERST.
I did notice that quite some effort was made to add code to avoid
resource conflicts between APEI and ACPI NVS. But ERST still goes
straight to request_mem_region() which is bound to fail. I am assuming
this should go through apei_resources_request() instead or I am missing
something?
thanks,
Max
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