Re: [PATCH v7 20/41] x86/mm: Teach pte_mkwrite() about stack memory
From: Borislav Petkov <bp@alien8.de>
Date: 2023-03-03 15:37:38
Also in:
linux-arch, linux-doc, linux-mm, lkml
On Mon, Feb 27, 2023 at 02:29:36PM -0800, Rick Edgecombe wrote:
If a VMA has the VM_SHADOW_STACK flag, it is shadow stack memory. So when it is made writable with pte_mkwrite(), it should create shadow stack memory, not conventionally writable memory. Now that pte_mkwrite() takes a VMA, and places where shadow stack memory might be created pass one, pte_mkwrite() can know when it should do this.
^^^^
This sentence needs rewriting.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette