+ mseal-sysmap-enable-s390-fix.patch added to mm-unstable branch

+ mseal-sysmap-enable-s390-fix.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mseal sysmap: update supported architectures
has been added to the -mm mm-unstable branch.  Its filename is
     mseal-sysmap-enable-s390-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mseal-sysmap-enable-s390-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

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branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Heiko Carstens <hca@linux.ibm.com>
Subject: mseal sysmap: update supported architectures
Date: Mon, 17 Mar 2025 14:19:17 +0100

Add s390 to the list of architectures which support mseal sysmap.

Link: https://lkml.kernel.org/r/20250317131917.1332402-1-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Jeff Xu <jeffxu@chromium.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/userspace-api/mseal.rst |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/Documentation/userspace-api/mseal.rst~mseal-sysmap-enable-s390-fix
+++ a/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, arm64,
+  and s390.
 
   WARNING: This feature breaks programs which rely on relocating
   or unmapping system mappings. Known broken software at the time
_

Patches currently in -mm which might be from hca@linux.ibm.com are

mseal-sysmap-generic-vdso-vvar-mapping.patch
mseal-sysmap-enable-s390.patch
mseal-sysmap-enable-s390-fix.patch