Re: [PATCH RFT v5 4/7] fork: Add shadow stack support to clone3()
From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Date: 2024-02-10 00:55:26
Also in:
linux-kselftest, lkml
On Fri, 2024-02-09 at 12:18 -0800, Rick Edgecombe wrote:
So, don't we want to consume the token on the *new* task's MM, which was already duplicated but still unmapped? In which case I think the other arch's would need to GUP regardless of the existence of shadow stack atomic ops.
I mean for the !CLONE_VM case.