From: "Liam R. Howlett" <Liam.Howlett@oracle.com>
To: Jeff Xu <jeffxu@chromium.org>
Cc: Dave Hansen <dave.hansen@intel.com>,
akpm@linux-foundation.org, keescook@chromium.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, 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
Subject: Re: [PATCH v6 1/7] mseal, system mappings: kernel config and header change
Date: Mon, 24 Feb 2025 15:13:45 -0500 [thread overview]
Message-ID: <dqaqin7elq2og66e2hju42cmwflu6bwag6fn2zzbapcehch4bp@2v5yrconussy> (raw)
In-Reply-To: <CABi2SkXew-7bDD5c6ZDhbM3kRQPMTXrq=1cXX1rUvy1Yb+XvAQ@mail.gmail.com>
* Jeff Xu <jeffxu@chromium.org> [250224 14:40]:
> On Mon, Feb 24, 2025 at 11:18 AM Liam R. Howlett
> <Liam.Howlett@oracle.com> wrote:
> >
> > Also, do we need something like the above test for VM_SEALED_SYS?
> >
> Do you mean adding selftest for sealing vdso ? or test the
> VM_SEALED_SYS macro in 32 bit vs 64 bits ?
>
> CONFIG_MSEAL_SYSTEM_MAPPINGS is by default disabled. I'm not sure
> about the common practice here.
>
> I also don't know how to detect CONFIG_MSEAL_SYSTEM_MAPPINGS from
> selftest, that is needed for the selftest.
Looking more into this, I think it's fine without anything in there
changing.
Thanks,
Liam
next prev parent reply other threads:[~2025-02-24 20:14 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 17:45 [PATCH v6 0/7] mseal system mappings jeffxu
2025-02-24 17:45 ` [PATCH v6 1/7] mseal, system mappings: kernel config and header change jeffxu
2025-02-24 18:21 ` Dave Hansen
2025-02-24 18:44 ` Jeff Xu
2025-02-24 18:52 ` Dave Hansen
2025-02-24 18:55 ` Kees Cook
2025-02-24 18:59 ` Jeff Xu
2025-02-24 19:02 ` Dave Hansen
2025-02-24 19:10 ` Liam R. Howlett
2025-02-24 19:22 ` Jeff Xu
2025-02-24 19:32 ` Liam R. Howlett
2025-02-24 19:33 ` Jeff Xu
2025-02-24 19:26 ` Kees Cook
2025-02-24 19:34 ` Jeff Xu
2025-02-24 19:03 ` Liam R. Howlett
2025-02-24 19:07 ` Jeff Xu
2025-02-24 19:18 ` Liam R. Howlett
2025-02-24 19:39 ` Jeff Xu
2025-02-24 20:13 ` Liam R. Howlett [this message]
2025-02-24 19:10 ` Jeff Xu
2025-02-24 19:25 ` Kees Cook
2025-02-24 19:42 ` Jeff Xu
2025-02-24 20:12 ` Liam R. Howlett
2025-02-24 21:08 ` Jeff Xu
2025-02-24 17:45 ` [PATCH v6 2/7] selftests: x86: test_mremap_vdso: skip if vdso is msealed jeffxu
2025-02-24 19:02 ` Kees Cook
2025-02-24 21:04 ` Liam R. Howlett
2025-02-24 21:24 ` Jeff Xu
2025-02-24 17:45 ` [PATCH v6 3/7] mseal, system mappings: enable x86-64 jeffxu
2025-02-24 21:06 ` Liam R. Howlett
2025-02-24 17:45 ` [PATCH v6 4/7] mseal, system mappings: enable arm64 jeffxu
2025-02-24 17:45 ` [PATCH v6 5/7] mseal, system mappings: enable uml architecture jeffxu
2025-02-24 17:45 ` [PATCH v6 6/7] mseal, system mappings: uprobe mapping jeffxu
2025-02-24 17:45 ` [PATCH v6 7/7] mseal, system mappings: update mseal.rst jeffxu
2025-02-24 19:04 ` Kees Cook
2025-02-24 20:26 ` Liam R. Howlett
2025-02-24 21:06 ` Jeff Xu
2025-02-24 21:54 ` Jeff Xu
2025-02-25 6:07 ` Lorenzo Stoakes
2025-02-25 22:31 ` Jeff Xu
2025-02-25 22:36 ` Jeff Xu
2025-02-26 6:08 ` Lorenzo Stoakes
2025-02-26 5:27 ` Lorenzo Stoakes
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