From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56916 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756709AbeDVOPg (ORCPT ); Sun, 22 Apr 2018 10:15:36 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Martin Schwidefsky Subject: [PATCH 4.4 12/97] s390/ipl: ensure loadparm valid flag is set Date: Sun, 22 Apr 2018 15:52:50 +0200 Message-Id: <20180422135305.323664854@linuxfoundation.org> In-Reply-To: <20180422135304.577223025@linuxfoundation.org> References: <20180422135304.577223025@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vasily Gorbik 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: Reviewed-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky Signed-off-by: Greg Kroah-Hartman --- arch/s390/kernel/ipl.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -798,6 +798,7 @@ static ssize_t reipl_generic_loadparm_st /* 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; }