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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2022-08-06 09:29:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-17 15:16:20 +0200 |
| commit | 2f49bfbba326b576008af83fffe8f4f039e5d87e (patch) | |
| tree | e0f04ef27a88e118333e8f74a5b06d0a2c384c53 | |
| parent | bd27cff9db4f32762d37cda5dd22b9b6adfcb4f5 (diff) | |
| download | linux-stable-2f49bfbba326b576008af83fffe8f4f039e5d87e.tar.gz linux-stable-2f49bfbba326b576008af83fffe8f4f039e5d87e.tar.bz2 linux-stable-2f49bfbba326b576008af83fffe8f4f039e5d87e.zip | |
Revert "s390/smp: enforce lowcore protection on CPU restart"
commit 953503751a426413ea8aee2299ae3ee971b70d9b upstream.
This reverts commit 6f5c672d17f583b081e283927f5040f726c54598.
This breaks normal crash dump when CPU0 is offline.
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/s390/kernel/setup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 1ead1293ba17..0a37f5de2863 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -508,8 +508,8 @@ static void __init setup_lowcore_dat_on(void) S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT; S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT; - __ctl_set_bit(0, 28); __ctl_store(S390_lowcore.cregs_save_area, 0, 15); + __ctl_set_bit(0, 28); put_abs_lowcore(restart_flags, RESTART_FLAG_CTLREGS); put_abs_lowcore(program_new_psw, lc->program_new_psw); for (cr = 0; cr < ARRAY_SIZE(lc->cregs_save_area); cr++) |