x86/setup: Document that Windows reserves the first MiB
authorBorislav Petkov <bp@suse.de>
Tue, 8 Jun 2021 20:17:10 +0000 (22:17 +0200)
committerBorislav Petkov <bp@suse.de>
Tue, 8 Jun 2021 20:26:43 +0000 (22:26 +0200)
commitec35d1d93bf8976f0668cb1026ea8c7d7bcad3c1
treef8d24496dd022731e616d2eafdcd906f8b413eef
parent23721c8e92f73f9f89e7362c50c2996a5c9ad483
x86/setup: Document that Windows reserves the first MiB

It does so unconditionally too, on Intel and AMD machines, to work
around BIOS bugs, as confirmed by Microsoft folks (see Link for full
details).

Reflow the paragraph, while at it.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/MWHPR21MB159330952629D36EEDE706B3D7379@MWHPR21MB1593.namprd21.prod.outlook.com
arch/x86/kernel/setup.c