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| H A D | arch_vm.cpp | 53ff60f224c205771f3a7276343b51c8f0553146 Tue Sep 17 22:42:36 UTC 2024 Michael Lotz <mmlr@mlotz.ch> x86/vm: Don't add RAM to memory type ranges under PAT.
These are only relevant for MTRRs that describe physical memory ranges.
The change that introduced PAT removed the condition of MTRRs being
usable to always add the RAM ranges to the memory type ranges as
write-back, but this doesn't allow them to be used uncached for DMA.
Change-Id: I6cdd8f5a23a8f5cc582d25cf170c3e8d71d5e1fc
Reviewed-on: https://review.haiku-os.org/c/haiku/+/8344
Haiku-Format: Haiku-format Bot <no-reply+haikuformatbot@haiku-os.org>
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
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