From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
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Cc: "keescook@chromium.org" <keescook@chromium.org>,
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Subject: Re: [PATCH RFT v5 4/7] fork: Add shadow stack support to clone3()
Date: Sat, 10 Feb 2024 00:55:23 +0000 [thread overview]
Message-ID: <563c21d91b4b8f29c434d0918d489ecdda3f67b7.camel@intel.com> (raw)
In-Reply-To: <565ca9697cf26be5509ef4b3c1cc95fa4f692b9f.camel@intel.com>
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.
next prev parent reply other threads:[~2024-02-10 0:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-03 0:04 [PATCH RFT v5 0/7] fork: Support shadow stacks in clone3() Mark Brown
2024-02-03 0:04 ` [PATCH RFT v5 1/7] Documentation: userspace-api: Add shadow stack API documentation Mark Brown
2024-02-04 1:33 ` Randy Dunlap
2024-02-15 4:08 ` Deepak Gupta
2024-02-03 0:04 ` [PATCH RFT v5 2/7] selftests: Provide helper header for shadow stack testing Mark Brown
2024-02-09 20:24 ` Edgecombe, Rick P
2024-02-03 0:04 ` [PATCH RFT v5 3/7] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Mark Brown
2024-02-09 20:21 ` Edgecombe, Rick P
2024-02-15 4:14 ` Deepak Gupta
2024-02-03 0:05 ` [PATCH RFT v5 4/7] fork: Add shadow stack support to clone3() Mark Brown
2024-02-09 20:18 ` Edgecombe, Rick P
2024-02-10 0:55 ` Edgecombe, Rick P [this message]
2024-02-12 15:38 ` Mark Brown
2024-02-10 0:56 ` Edgecombe, Rick P
2024-02-03 0:05 ` [PATCH RFT v5 5/7] selftests/clone3: Factor more of main loop into test_clone3() Mark Brown
2024-02-03 0:05 ` [PATCH RFT v5 6/7] selftests/clone3: Allow tests to flag if -E2BIG is a valid error code Mark Brown
2024-02-03 0:05 ` [PATCH RFT v5 7/7] selftests/clone3: Test shadow stack support Mark Brown
2024-02-09 20:18 ` [PATCH RFT v5 0/7] fork: Support shadow stacks in clone3() Edgecombe, Rick P
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