Related to this, I also faced this issue where in order to prevent edk2 from
allocating this memory I had to modify CoreFindFreePagesI
//
// Don't allocate out of Special-Purpose memory.
//
if ((Entry->Attribute & EFI_MEMORY_SP) != 0) {
continue;
}
Can't we add PCD based logic here to selectively NOT use SP memory for edk2
allocations? I think "reserved-memory" attr does not work well because it would
force OS/drivers not to use it. Which is not what we want. We really want
special drivers to make use of it.
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