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CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MN2PR18MB2848.namprd18.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(136003)(376002)(39850400004)(396003)(366004)(26005)(1076003)(16526019)(55236004)(55016002)(186003)(316002)(9686003)(66946007)(8936002)(86362001)(33656002)(8676002)(478600001)(5660300002)(966005)(6636002)(4326008)(52116002)(956004)(2906002)(7696005)(6666004)(66476007)(6506007)(34206002)(66556008); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-CrossTenant-Network-Message-Id: 207bef10-51df-4418-3ea9-08d7f00bfc27 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2020 09:17:36.3270 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3cxAp0h7cbUMTQEANo56sws3/cxfVKTAuQZMnFbolx3wcEP5LfrKu4eiMM2d8RfEcWMvQseCkiP0VLZxTyPebw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR18MB2958 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-05-04_05:2020-05-01, 2020-05-04 signatures=0 Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] common/octeontx: fix GCC 9.1 ABI break X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On Sat, May 02, 2020 at 09:40:31PM +0530, pbhagavatula@marvell.com wrote: > From: Pavan Nikhilesh > > GCC 9.1 fixes a bug with passing bitfields as pass by value in function > parameters and generates a warning for the same as below: > > drivers/common/octeontx/octeontx_mbox.c:282:1: note: parameter passing > for argument of type ‘struct mbox_intf_ver’ changed in GCC 9.1 > > Fix the warning generated by passing bitfield as pass by reference. > > Fixes: b4134b2d31cc ("common/octeontx: update mbox to version 1.1.3") > Cc: stable@dpdk.org > > Signed-off-by: Pavan Nikhilesh Acked-by: Harman Kalra > --- > More info on GCC bug > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88469 > https://gcc.gnu.org/git/?p=gcc.git&a=commit;h=c590597c45948c6e6fa282878198fd226da95998 > > drivers/common/octeontx/octeontx_mbox.c | 17 +++++++++-------- > 1 file changed, 9 insertions(+), 8 deletions(-) > > diff --git a/drivers/common/octeontx/octeontx_mbox.c b/drivers/common/octeontx/octeontx_mbox.c > index 2fd253107..effe0b267 100644 > --- a/drivers/common/octeontx/octeontx_mbox.c > +++ b/drivers/common/octeontx/octeontx_mbox.c > @@ -279,7 +279,7 @@ octeontx_start_domain(void) > } > > static int > -octeontx_check_mbox_version(struct mbox_intf_ver app_intf_ver, > +octeontx_check_mbox_version(struct mbox_intf_ver *app_intf_ver, > struct mbox_intf_ver *intf_ver) > { > struct mbox_intf_ver kernel_intf_ver = {0}; > @@ -290,8 +290,9 @@ octeontx_check_mbox_version(struct mbox_intf_ver app_intf_ver, > hdr.coproc = NO_COPROC; > hdr.msg = RM_INTERFACE_VERSION; > > - result = octeontx_mbox_send(&hdr, &app_intf_ver, sizeof(app_intf_ver), > - &kernel_intf_ver, sizeof(kernel_intf_ver)); > + result = octeontx_mbox_send(&hdr, app_intf_ver, > + sizeof(struct mbox_intf_ver), > + &kernel_intf_ver, sizeof(kernel_intf_ver)); > if (result != sizeof(kernel_intf_ver)) { > mbox_log_err("Could not send interface version. Err=%d. FuncErr=%d\n", > result, hdr.res_code); > @@ -301,9 +302,9 @@ octeontx_check_mbox_version(struct mbox_intf_ver app_intf_ver, > if (intf_ver) > *intf_ver = kernel_intf_ver; > > - if (app_intf_ver.platform != kernel_intf_ver.platform || > - app_intf_ver.major != kernel_intf_ver.major || > - app_intf_ver.minor != kernel_intf_ver.minor) > + if (app_intf_ver->platform != kernel_intf_ver.platform || > + app_intf_ver->major != kernel_intf_ver.major || > + app_intf_ver->minor != kernel_intf_ver.minor) > result = -EINVAL; > > return result; > @@ -312,7 +313,7 @@ octeontx_check_mbox_version(struct mbox_intf_ver app_intf_ver, > int > octeontx_mbox_init(void) > { > - const struct mbox_intf_ver MBOX_INTERFACE_VERSION = { > + struct mbox_intf_ver MBOX_INTERFACE_VERSION = { > .platform = 0x01, > .major = 0x01, > .minor = 0x03 > @@ -330,7 +331,7 @@ octeontx_mbox_init(void) > return ret; > } > > - ret = octeontx_check_mbox_version(MBOX_INTERFACE_VERSION, > + ret = octeontx_check_mbox_version(&MBOX_INTERFACE_VERSION, > &rm_intf_ver); > if (ret < 0) { > mbox_log_err("MBOX version: Kernel(%d.%d.%d) != DPDK(%d.%d.%d)", > -- > 2.26.2 >