Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Wed, 31 Jul 2024 13:40:00 +0200
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Shivank Garg <shivankg@xxxxxxx>, ardb@xxxxxxxxxx, bp@xxxxxxxxx, brijesh.singh@xxxxxxx, corbet@xxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, hpa@xxxxxxxxx, jan.kiszka@xxxxxxxxxxx, jgross@xxxxxxxx, kbingham@xxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, luto@xxxxxxxxxx, michael.roth@xxxxxxx, mingo@xxxxxxxxxx, rick.p.edgecombe@xxxxxxxxx, sandipan.das@xxxxxxx, thomas.lendacky@xxxxxxx, x86@xxxxxxxxxx
In-reply-to: <jczq52e6vrluqobqzejakdo3mdxqiqohdzbwmq64uikrm2h52n@l2bgf4ir7pj6>
References: <80734605-1926-4ac7-9c63-006fe3ea6b6a@amd.com> <87wml16hye.ffs@tglx> <jczq52e6vrluqobqzejakdo3mdxqiqohdzbwmq64uikrm2h52n@l2bgf4ir7pj6>

On Wed, Jul 31, 2024 at 02:36:47PM +0300, Kirill A. Shutemov wrote:
> The risk with your proposal is that 5-level paging will not get any
> testing and rot over time.
> 
> I would like to keep it on, if possible.

Well, if it is boot time, you just tell your CI to force enable 5level
and you're done, right? Then the rest of us use 4 and we all good.

References:
- Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
  - From: Shivank Garg
- Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
  - From: Thomas Gleixner
- Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
  - From: Kirill A. Shutemov

Prev by Date: Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
Next by Date: Re: [PATCH v2 7/8] fwctl/mlx5: Support for communicating with mlx5 fw
Previous by thread: Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
Next by thread: Re: [PATCH 0/3] x86: Make 5-level paging support unconditional for x86-64
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Security] [Netfilter] [Bugtraq] [Linux FS] [Yosemite Forum] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Samba] [Video 4 Linux] [Device Mapper] [Linux Resources]