Messages in this thread | | | From | Linus Torvalds <> | Date | Wed, 8 Feb 2023 07:42:13 -0800 | Subject | Re: [PATCH 4/6] x86/mtrr: don't let mtrr_type_lookup() return MTRR_TYPE_INVALID |
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On Tue, Feb 7, 2023 at 10:20 PM Juergen Gross <jgross@suse.com> wrote: > > Are you sure? In the SDM I'm reading: > > * E (MTRRs enabled) flag, bit 11 — MTRRs are enabled when set; all MTRRs are > disabled when clear, and the UC memory type is applied to all of physical > memory. > > So UC it should be IMHO.
Right you are. I clearly misread that section when I did my original patch.
Linus
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