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From: "Luck, Tony" <tony.luck@intel.com>
To: Steven Rostedt <rostedt@goodmis.org>, Ard Biesheuvel <ardb@kernel.org>
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 Torvalds" <torvalds@linuxfoundation.org>, Catalin Marinas
	<catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Mike Rapoport
	<rppt@kernel.org>
Subject: RE: [PATCH 1/2] mm/memblock: Add "reserve_mem" to reserved named
 memory at boot up
Thread-Topic: [PATCH 1/2] mm/memblock: Add "reserve_mem" to reserved named
 memory at boot up
Thread-Index: AQHatg66UtKkQZOCdkSWurZarbYoMLG3HdcAgABVFgCAAFHiMA==
Date: Tue, 4 Jun 2024 16:05:04 +0000
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> I have been using this on two different test machines, as well as a
> chromebook, and it appears to work on all ofthem. As well as for VMs. I
> plan on adding this to my workstation and server too (they use EFI).

I think that BIOS on Intel servers with ECC memory will stomp on all
memory (to ensure that ECC bits are all set to good values). There
might be a "fast boot" BIOS option to skip this (but using it leaves you
vulnerable after a crash due to ECC fail to hit the same error again).

-Tony