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Mon, 17 Mar 2025 11:02:29 -0700 (PDT) MIME-Version: 1.0 References: <20250317131917.1332402-1-hca@linux.ibm.com> In-Reply-To: <20250317131917.1332402-1-hca@linux.ibm.com> From: Jeff Xu Date: Mon, 17 Mar 2025 11:02:17 -0700 X-Gm-Features: AQ5f1Jr1hVHzTn4m-ziG33n8GzM14Gv6-Eef_doYe18OdvN44Mevu0pERcSM5Ws Message-ID: Subject: Re: [PATCH] mseal sysmap: update supported architectures To: Heiko Carstens Cc: Andrew Morton , Lorenzo Stoakes , "Liam R . Howlett" , Kees Cook , Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-hardening@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: 1DF2A40010 X-Rspamd-Server: rspam08 X-Stat-Signature: eeqkbifkohnmn6i7pm4eb6ah6z99ymkk X-HE-Tag: 1742234549-345248 X-HE-Meta: U2FsdGVkX18zWwjLCsfFDoqkFWhhI4t0hNssaVNkKYr3sBIoBGwDPc1eyHh8WG0cMcnt8kVY6UeckiQDHeC5vzsu++cqAikVsAwbHKtwApFfXpQB4SOd4o6qL+DGSiY75LKCohIqtNp82MR1XlGd9HjPtjcVlnCn8O+UJu/z4LPDV3CRkisISoyq/A2wwpndcC01EATGlfeh60ioJpgwAIzBHnktDyg+75ws+0aSlyjG1NOfPyfAOz4mhkqO/f3a7F0Vdcaer4QL6cfoU3rCmp6wE6tBQ50L9fDmhkFVBMXAizHlSFr5VBvy6e3FErkoJCl/THVVuNbphTIqBZMp4S22IiZZVhOFOYjzDvWs34uEG41ifUIP3VbIJ1ODKhFuYqXP/gBcQZDOyvi6TxNke+QrwAF9pUzL9Hijx5qjYntG5gMxPW/w2S5g0vHXcr3Z54gM7pVuvxoJdpFkWzGGDT/w2kE0lsQz2HedfQf5PmvCcNUiT3m406FuApsvNtcJNVHHw9dhj9VKhcvfywYcyJ2opJ7RnNJYX+ZR7smaXWEETyScXvskze8S9ci93pOME59Qz+rCBEIAsNe7u6fmssmOh07xT0RL8r6DyJHv0QRIlwKipg+LQnMqhtVikyEfiLoVWCPP98dqEuAoreYH7yNVEy5cKM07TesAcy2/H46ZaaMC2E+sYVLDD9rhdDdNAtBgORt65TS3oKor5mLn7WbqPhgDsdwhspM5ONdVpm3wuAL/WeSat06bWm6SjZg+Zurtnv8aBLjonH/njpLSkAiae2xXgAJ1bThqVtvexj3cAQC84xnnC9ASMjQ7vPAgb5Nrg8vjFWVARpCT1gdhR/MyFK+AXM6zqjbhyLPJYQMNLEPuYDBnHyhmR9coWUm8KkHs8jyvIGniMtTqvNctmac8u8wgadHbREUHjEWA2iVsC5mAT6YZMdEXVrexdkwPfswkdNd84ZSjMKeZ7Sj RSl9deYl L1iHeR2BKsjRrNd4xopNf33qBhLXtM9xrw3lnx19cueXkClZrt8rWD4bY+4OJlT6GQHlL3PiJm9U4BXQOOCZmd3AqivE/lzybD+faCGcDaXPec05xy4jUKrUVGK6EbdcaepeVx+nDxr3SQ0GwSGGHEtapkE9sNutM4eIJ0EyQb1WqojyKH+9MpLSQL2k/I0bNSIOF4ypFqa0oZ4REKfofAfUbIyO5HTyxKRovQ+wyhNAmc8a4nYEAnBOswA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.367631, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Mar 17, 2025 at 6:19=E2=80=AFAM Heiko Carstens = wrote: > > Add s390 to the list of architectures which support mseal sysmap. > > Signed-off-by: Heiko Carstens > --- > Andrew, please feel free to merge this with "mseal sysmap: enable s39= 0". > > Documentation/userspace-api/mseal.rst | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/Documentation/userspace-api/mseal.rst b/Documentation/usersp= ace-api/mseal.rst > index 56aee46a9307..1dabfc29be0d 100644 > --- a/Documentation/userspace-api/mseal.rst > +++ b/Documentation/userspace-api/mseal.rst > @@ -143,7 +143,8 @@ Use cases > the CONFIG_MSEAL_SYSTEM_MAPPINGS seals all system mappings of this > architecture. > > - The following architectures currently support this feature: x86-64 and= arm64. > + The following architectures currently support this feature: x86-64, ar= m64, > + and s390. > > WARNING: This feature breaks programs which rely on relocating > or unmapping system mappings. Known broken software at the time > -- > 2.45.2 > Reviewed-by: Jeff Xu Thanks for this patch and caring about the documentation ! -Jeff