linux-kernel - Re: [PATCH] x86/mm/ident_map: Use full gbpages in identity maps except on UV platform.

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Message-ID: <CAJbxNHeqY3QevjH3=BuD=DhB0YK6ZvPDbOn_m-LOYAfY81MqhA@mail.gmail.com>
Date: Fri, 5 Apr 2024 09:13:36 -0400
From: Eric Hagberg <ehagberg@...il.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: Russ Anderson <rja@....com>, Steve Wahl <steve.wahl@....com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Andy Lutomirski <luto@...nel.org>, 
	Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org, 
	Linux regressions mailing list <regressions@...ts.linux.dev>, Pavin Joseph <me@...injoseph.com>, stable@...r.kernel.org, 
	Simon Horman <horms@...ge.net.au>, Eric Biederman <ebiederm@...ssion.com>, 
	Dave Young <dyoung@...hat.com>, Sarah Brofeldt <srhb@....dk>, Dimitri Sivanich <sivanich@....com>
Subject: Re: [PATCH] x86/mm/ident_map: Use full gbpages in identity maps
 except on UV platform.

On Mon, Mar 25, 2024 at 6:58 AM Ingo Molnar <mingo@...nel.org> wrote:
> Anyway, I've reverted this in tip:x86/urgent:
>
>   c567f2948f57 Revert "x86/mm/ident_map: Use gbpages only where full GB page should be mapped."

I see that this hasn't been reverted in the longterm branches it made
it into already (6.1.x and 6.6.x, for example) - is it expected to be
reverted there as well? I'd think it should be, until this is all
sorted out.