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authorVasily Gorbik <gor@linux.ibm.com>2018-04-03 16:02:15 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-24 09:32:04 +0200
commit93da190b72043d607803b350d947769b7b27e1ec (patch)
tree0ddf0240875238a55b5be1bcdfea4a3e936f5590 /arch
parent7dc2c154c1764e2d19a18380e51935cb5ccb5c66 (diff)
s390/ipl: ensure loadparm valid flag is set
commit 15deb080a6087b73089139569558965750e69d67 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kernel/ipl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 42570d8fb265..e73979236659 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -798,6 +798,7 @@ 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;
}