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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------------------------------------------------------
From: Heiko Carstens <hca@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx
Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
Cc: Jeff Xu <jeffxu@xxxxxxxxxxxx>
Cc: Liam Howlett <liam.howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxxx are
mseal-sysmap-generic-vdso-vvar-mapping.patch
mseal-sysmap-enable-s390.patch
mseal-sysmap-enable-s390-fix.patch
