diff options
| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2021-12-10 16:32:11 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2021-12-16 19:58:07 +0100 |
| commit | c7ed509b21b6566990ff39a6744cd5e214b5dca9 (patch) | |
| tree | acd60b4b292b8e02a2fc4338653b9ce4d09ab763 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | cff2d3abc8da078a0447d785736204d8a0ad49b0 (diff) | |
s390/nmi: disable interrupts on extended save area update
Updating of the pointer to machine check extended save area
on the IPL CPU needs the lowcore protection to be disabled.
Disable interrupts while the protection is off to avoid
unnoticed writes to the lowcore.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions