diff options
| author |   Vasily Gorbik <gor@linux.ibm.com> | 2018-04-03 16:02:15 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-04-10 07:38:58 +0200 |
| commit | 15deb080a6087b73089139569558965750e69d67 (patch) | |
| tree | e96a653b2722f1f4e411509926ce6199e79cfd96 /arch/s390/kernel/ipl.c | |
| parent | s390/qdio: lock device while installing IRQ handler (diff) | |
| download | linux-dev-15deb080a6087b73089139569558965750e69d67.tar.xz linux-dev-15deb080a6087b73089139569558965750e69d67.zip | |
s390/ipl: ensure loadparm valid flag is set
When loadparm is set in reipl parm block, the kernel should also set
DIAG308_FLAGS_LP_VALID flag.
This fixes loadparm ignoring during z/VM fcp -> ccw reipl and kvm direct
boot -> ccw reipl.
Cc: <stable@vger.kernel.org>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 34477c1aee6d..502c90525a0e 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -776,6 +776,7 @@ static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb, /* copy and convert to ebcdic */ memcpy(ipb->hdr.loadparm, buf, lp_len); ASCEBC(ipb->hdr.loadparm, LOADPARM_LEN); + ipb->hdr.flags |= DIAG308_FLAGS_LP_VALID; return len; } |