linux-kernel - Re: [PATCH v7 22/41] mm/mmap: Add shadow stack pages to memory accounting

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Message-ID: <20230306181655.GCZAYuF7uBaFtKke9j@fat_crate.local>
Date:   Mon, 6 Mar 2023 19:16:55 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
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Subject: Re: [PATCH v7 22/41] mm/mmap: Add shadow stack pages to memory
 accounting

On Mon, Mar 06, 2023 at 06:11:32PM +0000, Edgecombe, Rick P wrote:
> Before this version it was open coded, but David Hildenbrand suggested
> this is_stack_mapping() solution. Should it be explained more, or just
> dropped?

Well, "adding a VM_SHADOW_STACK check in is_stack_mapping()" is what's
in the diff already and it is kinda obvious. So why write what the patch
does when one can simply look at the diff?

-- 
Regards/Gruss,
    Boris.

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