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From: Kees Cook <kees@kernel.org>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	jeffxu@chromium.org, akpm@linux-foundation.org, jannh@google.com,
	torvalds@linux-foundation.org, vbabka@suse.cz,
	lorenzo.stoakes@oracle.com, adhemerval.zanella@linaro.org,
	oleg@redhat.com, avagin@gmail.com, benjamin@sipsolutions.net,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
	jorgelo@chromium.org, sroettger@google.com, hch@lst.de,
	ojeda@kernel.org, thomas.weissschuh@linutronix.de,
	adobriyan@gmail.com, johannes@sipsolutions.net,
	pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org,
	anna-maria@linutronix.de, mark.rutland@arm.com,
	linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de,
	rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com,
	f.fainelli@gmail.com, gerg@kernel.org,
	dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org,
	mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org,
	ardb@google.com, enh@google.com, rientjes@google.com,
	groeck@chromium.org, mpe@ellerman.id.au,
	aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com,
	Jeff Xu <jeffxu@google.com>
Subject: Re: [PATCH v8 0/7] mseal system mappings
Date: Mon, 3 Mar 2025 08:33:51 -0800	[thread overview]
Message-ID: <202503030832.200CF1F46@keescook> (raw)
In-Reply-To: <o2ynggupddg2iscald76q5niaipssy3gkmsvdkvobopc5whvah@ealwojbiwsrn>

On Mon, Mar 03, 2025 at 09:59:13AM -0500, Liam R. Howlett wrote:
> * jeffxu@chromium.org <jeffxu@chromium.org> [250303 00:09]:
> 
> ...
> 
> > 
> > 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-NrCZxYAyg@mail.gmail.com/ [3]
> > Link: https://lore.kernel.org/all/CABi2SkV6JJwJeviDLsq9N4ONvQ=EFANsiWkgiEOjyT9TQSt+HA@mail.gmail.com/ [4]
> > Link: https://lore.kernel.org/all/202502251035.239B85A93@keescook/ [5]
> > 
> > -------------------------------------------
> > 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!

You're welcome; I'm glad I did it -- I really need to capture that
research somewhere. Perhaps a blog post ... I can't really find a good
place in Documentation/ ? Hmmm

-- 
Kees Cook


      reply	other threads:[~2025-03-03 16:33 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-03  5:09 jeffxu
2025-03-03  5:09 ` [PATCH v8 1/7] mseal sysmap: kernel config and header change jeffxu
2025-03-03 11:51   ` Lorenzo Stoakes
2025-03-03 15:02   ` Liam R. Howlett
2025-03-03 16:37   ` Kees Cook
2025-03-03 19:29     ` Jeff Xu
2025-03-03  5:09 ` [PATCH v8 2/7] selftests: x86: test_mremap_vdso: skip if vdso is msealed jeffxu
2025-03-03 15:00   ` Liam R. Howlett
2025-03-03  5:09 ` [PATCH v8 3/7] mseal sysmap: enable x86-64 jeffxu
2025-03-03 11:53   ` Lorenzo Stoakes
2025-03-03 12:01   ` Lorenzo Stoakes
2025-03-03 19:34     ` Jeff Xu
2025-03-03 15:03   ` Liam R. Howlett
2025-03-03 16:38   ` Kees Cook
2025-03-03  5:09 ` [PATCH v8 4/7] mseal sysmap: enable arm64 jeffxu
2025-03-03 11:53   ` Lorenzo Stoakes
2025-03-03 15:04   ` Liam R. Howlett
2025-03-03 16:39   ` Kees Cook
2025-03-03  5:09 ` [PATCH v8 5/7] mseal sysmap: uprobe mapping jeffxu
2025-03-03  6:28   ` Oleg Nesterov
2025-03-03 11:54   ` Lorenzo Stoakes
2025-03-03 15:04   ` Liam R. Howlett
2025-03-03 16:39   ` Kees Cook
2025-03-03  5:09 ` [PATCH v8 6/7] mseal sysmap: update mseal.rst jeffxu
2025-03-03 11:57   ` Lorenzo Stoakes
2025-03-03 15:05   ` Liam R. Howlett
2025-03-03  5:09 ` [PATCH v8 7/7] selftest: test system mappings are sealed jeffxu
2025-03-03 12:08   ` Lorenzo Stoakes
2025-03-03 16:43     ` Lorenzo Stoakes
2025-03-03 16:48       ` Kees Cook
2025-03-03 19:46       ` Jeff Xu
2025-03-03 16:47     ` Kees Cook
2025-03-03 16:49       ` Lorenzo Stoakes
2025-03-03 17:01   ` Kees Cook
2025-03-03 20:20     ` Jeff Xu
2025-03-04 20:53       ` Jeff Xu
2025-03-03 11:50 ` [PATCH v8 0/7] mseal system mappings Lorenzo Stoakes
2025-03-03 14:59 ` Liam R. Howlett
2025-03-03 16:33   ` Kees Cook [this message]

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