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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-02-21 11:07:39 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-02-23 10:06:39 +0100 |
| commit | 5791d90d0046c6d74f19ab58fa774f50e463b0d9 (patch) | |
| tree | dceaa90fd608d12f7c03722c710a2e673f2440b0 /arch/s390 | |
| parent | 70e28aa0bbb68ed458be0b922d8b58a2b4ae191d (diff) | |
| download | linux-5791d90d0046c6d74f19ab58fa774f50e463b0d9.tar.gz linux-5791d90d0046c6d74f19ab58fa774f50e463b0d9.tar.xz | |
s390/nmi: purge tlbs after control register validation
Play safe and purge all tlbs after the control registers that contain
the primary, secondary and home space asces have been validated.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/nmi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index b76b5fef251e..80c093e0c6f1 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -125,7 +125,8 @@ static int notrace s390_validate_registers(union mci mci, int umode) s390_handle_damage(); } else { asm volatile( - " lctlg 0,15,0(%0)" + " lctlg 0,15,0(%0)\n" + " ptlb\n" : : "a" (&S390_lowcore.cregs_save_area) : "memory"); } if (!mci.fp) { |