From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E80714605C; Fri, 10 Jan 2025 19:13:06 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BBD6B4279E; Fri, 10 Jan 2025 19:13:06 +0100 (CET) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id 8AD054279D for ; Fri, 10 Jan 2025 19:13:05 +0100 (CET) Received: by inbox.dpdk.org (Postfix, from userid 33) id 6C2AA4605D; Fri, 10 Jan 2025 19:13:05 +0100 (CET) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/ethdev Bug 1613] net/thunderx: warning with Gcc 15 Date: Fri, 10 Jan 2025 18:13:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: ethdev X-Bugzilla-Version: 25.03 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: stephen@networkplumber.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: multipart/alternative; boundary=17365327850.aeEe.128897 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --17365327850.aeEe.128897 Date: Fri, 10 Jan 2025 19:13:05 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1613 Bug ID: 1613 Summary: net/thunderx: warning with Gcc 15 Product: DPDK Version: 25.03 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: Normal Component: ethdev Assignee: dev@dpdk.org Reporter: stephen@networkplumber.org Target Milestone: --- Gcc 15 has changed how unions are initialized and now this driver gets an uninitialized variable warning. Reported as Gcc bug. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D118403 Simple fix is to change to empty initializer. 2377/3224] Compiling C object drivers/net/thunderx/base/libnicvf_base.a.p/nicvf_mbox.c.o In function =E2=80=98nicvf_mbox_send_msg_to_pf_raw=E2=80=99, inlined from =E2=80=98nicvf_mbox_send_async_msg_to_pf=E2=80=99 at ../drivers/net/thunderx/base/nicvf_mbox.c:70:2, inlined from =E2=80=98nicvf_mbox_cfg_done=E2=80=99 at ../drivers/net/thunderx/base/nicvf_mbox.c:468:2: ../drivers/net/thunderx/base/nicvf_mbox.c:59:17: warning: =E2=80=98mbx=E2= =80=99 is used uninitialized [-Wuninitialized] 59 | nicvf_reg_write(nic, mbx_addr, *mbx_data); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/net/thunderx/base/nicvf_mbox.c: In function =E2=80=98nicvf_mbox_= cfg_done=E2=80=99: ../drivers/net/thunderx/base/nicvf_mbox.c:465:24: note: =E2=80=98mbx=E2=80= =99 declared here 465 | struct nic_mbx mbx =3D { .msg =3D { 0 } }; | ^~~ In function =E2=80=98nicvf_mbox_send_msg_to_pf_raw=E2=80=99, inlined from =E2=80=98nicvf_mbox_send_async_msg_to_pf=E2=80=99 at ../drivers/net/thunderx/base/nicvf_mbox.c:70:2, inlined from =E2=80=98nicvf_mbox_link_change=E2=80=99 at ../drivers/net/thunderx/base/nicvf_mbox.c:477:2: ../drivers/net/thunderx/base/nicvf_mbox.c:59:17: warning: =E2=80=98mbx=E2= =80=99 is used uninitialized [-Wuninitialized] 59 | nicvf_reg_write(nic, mbx_addr, *mbx_data); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/net/thunderx/base/nicvf_mbox.c: In function =E2=80=98nicvf_mbox_link_change=E2=80=99: ../drivers/net/thunderx/base/nicvf_mbox.c:474:24: note: =E2=80=98mbx=E2=80= =99 declared here 474 | struct nic_mbx mbx =3D { .msg =3D { 0 } }; --=20 You are receiving this mail because: You are the assignee for the bug.= --17365327850.aeEe.128897 Date: Fri, 10 Jan 2025 19:13:05 +0100 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All
Bug ID 1613
Summary net/thunderx: warning with Gcc 15
Product DPDK
Version 25.03
Hardware All
OS All
Status UNCONFIRMED
Severity normal
Priority Normal
Component ethdev
Assignee dev@dpdk.org
Reporter stephen@networkplumber.org
Target Milestone --- 

Gcc 15 has changed how unions are =
initialized and now this driver gets an
uninitialized variable warning.

Reported as Gcc bug. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D118403

Simple fix is to change to empty initializer.

2377/3224] Compiling C object
drivers/net/thunderx/base/libnicvf_base.a.p/nicvf_mbox.c.o
In function =E2=80=98nicvf_mbox_send_msg_to_pf_raw=E2=80=99,
    inlined from =E2=80=98nicvf_mbox_send_async_msg_to_pf=E2=80=99 at
../drivers/net/thunderx/base/nicvf_mbox.c:70:2,
    inlined from =E2=80=98nicvf_mbox_cfg_done=E2=80=99 at
../drivers/net/thunderx/base/nicvf_mbox.c:468:2:
../drivers/net/thunderx/base/nicvf_mbox.c:59:17: warning: =E2=80=98mbx=E2=
=80=99 is used
uninitialized [-Wuninitialized]
   59 |                 nicvf_reg_write(nic, mbx_addr, *mbx_data);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/thunderx/base/nicvf_mbox.c: In function =E2=80=98nicvf_mbox_=
cfg_done=E2=80=99:
../drivers/net/thunderx/base/nicvf_mbox.c:465:24: note: =E2=80=98mbx=E2=80=
=99 declared here
  465 |         struct nic_mbx mbx =3D { .msg =3D { 0 } };
      |                        ^~~
In function =E2=80=98nicvf_mbox_send_msg_to_pf_raw=E2=80=99,
    inlined from =E2=80=98nicvf_mbox_send_async_msg_to_pf=E2=80=99 at
../drivers/net/thunderx/base/nicvf_mbox.c:70:2,
    inlined from =E2=80=98nicvf_mbox_link_change=E2=80=99 at
../drivers/net/thunderx/base/nicvf_mbox.c:477:2:
../drivers/net/thunderx/base/nicvf_mbox.c:59:17: warning: =E2=80=98mbx=E2=
=80=99 is used
uninitialized [-Wuninitialized]
   59 |                 nicvf_reg_write(nic, mbx_addr, *mbx_data);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/thunderx/base/nicvf_mbox.c: In function
=E2=80=98nicvf_mbox_link_change=E2=80=99:
../drivers/net/thunderx/base/nicvf_mbox.c:474:24: note: =E2=80=98mbx=E2=80=
=99 declared here
  474 |         struct nic_mbx mbx =3D { .msg =3D { 0 } };

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