Messages in this thread | | | Date | Wed, 29 Mar 2017 01:47:20 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH 3/8] x86/mm: Define virtual memory map for 5-level paging |
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On Tue, Mar 28, 2017 at 03:21:39PM -0700, H. Peter Anvin wrote: > On 03/27/17 09:29, Kirill A. Shutemov wrote: > > +fffe000000000000 - fffe007fffffffff (=39 bits) %esp fixup stacks > > Why move this?
You're right. There's no reason to.
It's accident due to ESPFIX_BASE_ADDR being defined using PGDIR_SHIFT. We should use P4D_SHIFT instead to produce consistent result across paging modes.
I'll update the patch tomorrow. Thanks for noticing this.
-- Kirill A. Shutemov
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