Re: [PATCH v8 0/7] mseal system mappings

* jeffxu@chromium.org jeffxu@chromium.org [250303 00:09]:

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Link: https://lore.kernel.org/all/20240415163527.626541-1-jeffxu@chromium.org/ [1] Link: Documentation/userspace-api/mseal.rst [2] Link: https://lore.kernel.org/all/CABi2SkU9BRUnqf70-nksuMCQ+yyiWjo3fM4XkRkL-NrCZxY... [3] Link: https://lore.kernel.org/all/CABi2SkV6JJwJeviDLsq9N4ONvQ=EFANsiWkgiEOjyT9TQSt... [4] Link: https://lore.kernel.org/all/202502251035.239B85A93@keescook/ [5]

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History:

V8:

• Change ARCH_SUPPORTS_MSEAL_X to ARCH_SUPPORTS_MSEAL_X (Liam R. Howlett)

It looks like this was captured wrong in just this update. Change ARCH_HAS => ARCH_SUPPORTS. Code looks correct.

Kees also ran down the meaning of the two more than I did, so thanks again Kees!

• Update comments in Kconfig and mseal.rst (Lorenzo Stoakes, Liam R. Howlett)
• Change patch header perfix to "mseal sysmap" (Lorenzo Stoakes)
• Remove "vm_flags =" (Kees Cook, Liam R. Howlett, Oleg Nesterov)
• Drop uml architecture (Lorenzo Stoakes, Kees Cook)
• Add a selftest to verify system mappings are sealed (Lorenzo Stoakes)

V7:

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Thanks, Liam