linux-kernel - Re: [PATCH v4 12/39] x86/mm: Update ptep_set_wrprotect() and pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE

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Message-ID: <Y7V++OwWGGM4kFdl@zn.tnic>
Date:   Wed, 4 Jan 2023 14:28:24 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
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Subject: Re: [PATCH v4 12/39] x86/mm: Update ptep_set_wrprotect() and
 pmdp_set_wrprotect() for transition from _PAGE_DIRTY to _PAGE_COW

On Tue, Dec 27, 2022 at 10:26:33PM +0000, Edgecombe, Rick P wrote:
> Sure on "Shadow Stack". For Write=0,Dirty=1 there was a previous
> suggestion to standardize on how these bits are referred to across the
> series in both the comments and commit logs. I think the capitalization
> helps differentiate between the concepts of write and dirty and the
> actual PTE bits with those names. Especially since shadow stack muddies
> the concepts of writable and dirty memory, I thought it was a helpful
> distinction. Is it ok?

Oh sorry, I meant only

s/Shadow Stack/shadow stack/

The page flags are fine.

Bottom line is: hw documents love to capitalize features and concepts and that's
just unnecessary marketing bla.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette