Re: [PATCH v10 0/5] Introduce mseal

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To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v10 0/5] Introduce mseal
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 May 2024 08:19:59 -0700
Cc: Kees Cook <keescook@xxxxxxxxxxxx>, jeffxu@xxxxxxxxxxxx, jannh@xxxxxxxxxx, sroettger@xxxxxxxxxx, willy@xxxxxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, usama.anjum@xxxxxxxxxxxxx, corbet@xxxxxxx, Liam.Howlett@xxxxxxxxxx, surenb@xxxxxxxxxx, merimus@xxxxxxxxxx, rdunlap@xxxxxxxxxxxxx, jeffxu@xxxxxxxxxx, jorgelo@xxxxxxxxxxxx, groeck@xxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, pedro.falcato@xxxxxxxxx, dave.hansen@xxxxxxxxx, linux-hardening@xxxxxxxxxxxxxxx, deraadt@xxxxxxxxxxx
In-reply-to: <20240523165418.242555ffc2372e59f88cabbf@linux-foundation.org>
References: <20240415163527.626541-1-jeffxu@chromium.org> <20240514104646.e6af4292f19b834777ec1e32@linux-foundation.org> <202405141251.8E9580E@keescook> <202405231628.BBBB9787F@keescook> <20240523165418.242555ffc2372e59f88cabbf@linux-foundation.org>

On Thu, 23 May 2024 at 16:54, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> The testing and implementation review seem OK.  But from a higher-level
> perspective Linus doesn't seem to be on board(?).

Oh, I'm fine with mseal.

I wasn't fine with the insane "m*() system calls should be atomic"
discussion where Theo was just making shit up. I honestly don't think
mseal() needs it either.

               Linus

References:
- [PATCH v10 0/5] Introduce mseal
  - From: jeffxu
- Re: [PATCH v10 0/5] Introduce mseal
  - From: Andrew Morton
- Re: [PATCH v10 0/5] Introduce mseal
  - From: Kees Cook
- Re: [PATCH v10 0/5] Introduce mseal
  - From: Kees Cook
- Re: [PATCH v10 0/5] Introduce mseal
  - From: Andrew Morton

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