| commit | c7ed509b21b6566990ff39a6744cd5e214b5dca9 | [log] [tgz] |
|---|---|---|
| author | Alexander Gordeev <agordeev@linux.ibm.com> | Fri Dec 10 16:32:11 2021 +0100 |
| committer | Heiko Carstens <hca@linux.ibm.com> | Thu Dec 16 19:58:07 2021 +0100 |
| tree | acd60b4b292b8e02a2fc4338653b9ce4d09ab763 | |
| 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>