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 00A9346AE7; Thu, 3 Jul 2025 19:19:23 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A4DF040267; Thu, 3 Jul 2025 19:19:23 +0200 (CEST) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id C0D2D40264 for ; Thu, 3 Jul 2025 19:19:22 +0200 (CEST) Received: by inbox.dpdk.org (Postfix, from userid 33) id B791746AE8; Thu, 3 Jul 2025 19:19:22 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/ethdev Bug 1746] mlx5: lotsof shadow varable warnings Date: Thu, 03 Jul 2025 17:19:22 +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: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: minor 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=17515631620.faada6F2.1315469 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://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 --17515631620.faada6F2.1315469 Date: Thu, 3 Jul 2025 19:19:22 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1746 Bug ID: 1746 Summary: mlx5: lotsof shadow varable warnings Product: DPDK Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: minor Priority: Normal Component: ethdev Assignee: dev@dpdk.org Reporter: stephen@networkplumber.org Target Milestone: --- Building with -Wshadow reports several potential issues with mlx5 driver. [1123/3418] Compiling C object drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_rss.c.o In file included from ../drivers/net/mlx5/mlx5_rss.c:19: ../drivers/net/mlx5/mlx5_rx.h: In function =E2=80=98mprq_buf_replace=E2=80= =99: ../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of =E2=80=98rep= =E2=80=99 shadows a previous local [-Wshadow] 448 | struct mlx5_mprq_buf *rep; | ^~~ ../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here 424 | struct mlx5_mprq_buf *rep =3D rxq->mprq_repl; | ^~~ [1124/3418] Compiling C object drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_ethdev.c.o In file included from ../drivers/net/mlx5/mlx5_ethdev.c:26: ../drivers/net/mlx5/mlx5_rx.h: In function =E2=80=98mprq_buf_replace=E2=80= =99: ../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of =E2=80=98rep= =E2=80=99 shadows a previous local [-Wshadow] 448 | struct mlx5_mprq_buf *rep; | ^~~ ../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here 424 | struct mlx5_mprq_buf *rep =3D rxq->mprq_repl; | ^~~ In file included from ../lib/eal/include/dev_driver.h:8, from ../lib/ethdev/ethdev_driver.h:19, from ../drivers/net/mlx5/mlx5_ethdev.c:13: ../drivers/net/mlx5/mlx5_tx.h: In function =E2=80=98mlx5_tx_burst_empw_inli= ne=E2=80=99: ../lib/eal/include/rte_common.h:817:28: warning: declaration of =E2=80=98_a= =E2=80=99 shadows a previous local [-Wshadow] 817 | typeof (a) _a =3D (a); \ | ^~ ../lib/eal/include/rte_common.h:798:25: note: in definition of macro =E2=80= =98RTE_MIN=E2=80=99 798 | typeof (b) _b =3D (b); \ | ^ ../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80= =98RTE_MAX=E2=80=99 2971 | RTE_MAX(txq->inlen_empw + | ^~~~~~~ ../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here 797 | typeof (a) _a =3D (a); \ | ^~ ../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80= =98RTE_MIN=E2=80=99 2970 | room =3D RTE_MIN(room, | ^~~~~~~ ../lib/eal/include/rte_common.h:817:28: warning: declaration of =E2=80=98_a= =E2=80=99 shadows a previous local [-Wshadow] 817 | typeof (a) _a =3D (a); \ | ^~ ../lib/eal/include/rte_common.h:798:34: note: in definition of macro =E2=80= =98RTE_MIN=E2=80=99 798 | typeof (b) _b =3D (b); \ | ^ ../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80= =98RTE_MAX=E2=80=99 2971 | RTE_MAX(txq->inlen_empw + | ^~~~~~~ ../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here 797 | typeof (a) _a =3D (a); \ | ^~ ../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80= =98RTE_MIN=E2=80=99 2970 | room =3D RTE_MIN(room, | ^~~~~~~ ../lib/eal/include/rte_common.h:818:28: warning: declaration of =E2=80=98_b= =E2=80=99 shadows a previous local [-Wshadow] 818 | typeof (b) _b =3D (b); \ | ^~ ../lib/eal/include/rte_common.h:798:34: note: in definition of macro =E2=80= =98RTE_MIN=E2=80=99 798 | typeof (b) _b =3D (b); \ | ^ ../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80= =98RTE_MAX=E2=80=99 2971 | RTE_MAX(txq->inlen_empw + | ^~~~~~~ ../lib/eal/include/rte_common.h:798:28: note: shadowed declaration is here 798 | typeof (b) _b =3D (b); \ | ^~ ../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80= =98RTE_MIN=E2=80=99 2970 | room =3D RTE_MIN(room, | ^~~~~~~ ... Truncated because bugzilla can't take all of it. --=20 You are receiving this mail because: You are the assignee for the bug.= --17515631620.faada6F2.1315469 Date: Thu, 3 Jul 2025 19:19:22 +0200 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All
Bug ID 1746
Summary mlx5: lotsof shadow varable warnings
Product DPDK
Version unspecified
Hardware All
OS All
Status UNCONFIRMED
Severity minor
Priority Normal
Component ethdev
Assignee dev@dpdk.org
Reporter stephen@networkplumber.org
Target Milestone --- 

Building with -Wshadow reports sev=
eral potential issues with mlx5 driver.

[1123/3418] Compiling C object
drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_rss.c.o
In file included from ../drivers/net/mlx5/mlx5_rss.c:19:
../drivers/net/mlx5/mlx5_rx.h: In function =E2=80=98mprq_buf_replace=E2=80=
=99:
../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of =E2=80=98rep=
=E2=80=99 shadows a
previous local [-Wshadow]
  448 |                 struct mlx5_mprq_buf *rep;
      |                                       ^~~
../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here
  424 |         struct mlx5_mprq_buf *rep =3D rxq->mprq_repl;
      |                               ^~~
[1124/3418] Compiling C object
drivers/libtmp_rte_net_mlx5.a.p/net_mlx5_mlx5_ethdev.c.o
In file included from ../drivers/net/mlx5/mlx5_ethdev.c:26:
../drivers/net/mlx5/mlx5_rx.h: In function =E2=80=98mprq_buf_replace=E2=80=
=99:
../drivers/net/mlx5/mlx5_rx.h:448:39: warning: declaration of =E2=80=98rep=
=E2=80=99 shadows a
previous local [-Wshadow]
  448 |                 struct mlx5_mprq_buf *rep;
      |                                       ^~~
../drivers/net/mlx5/mlx5_rx.h:424:31: note: shadowed declaration is here
  424 |         struct mlx5_mprq_buf *rep =3D rxq->mprq_repl;
      |                               ^~~
In file included from ../lib/eal/include/dev_driver.h:8,
                 from ../lib/ethdev/ethdev_driver.h:19,
                 from ../drivers/net/mlx5/mlx5_ethdev.c:13:
../drivers/net/mlx5/mlx5_tx.h: In function =E2=80=98mlx5_tx_burst_empw_inli=
ne=E2=80=99:
../lib/eal/include/rte_common.h:817:28: warning: declaration of =E2=80=98_a=
=E2=80=99 shadows a
previous local [-Wshadow]
  817 |                 typeof (a) _a =3D (a); \
      |                            ^~
../lib/eal/include/rte_common.h:798:25: note: in definition of macro =E2=80=
=98RTE_MIN=E2=80=99
  798 |                 typeof (b) _b =3D (b); \
      |                         ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80=
=98RTE_MAX=E2=80=99
 2971 |                                        RTE_MAX(txq->inlen_empw +
      |                                        ^~~~~~~
../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here
  797 |                 typeof (a) _a =3D (a); \
      |                            ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80=
=98RTE_MIN=E2=80=99
 2970 |                         room =3D RTE_MIN(room,
      |                                ^~~~~~~
../lib/eal/include/rte_common.h:817:28: warning: declaration of =E2=80=98_a=
=E2=80=99 shadows a
previous local [-Wshadow]
  817 |                 typeof (a) _a =3D (a); \
      |                            ^~
../lib/eal/include/rte_common.h:798:34: note: in definition of macro =E2=80=
=98RTE_MIN=E2=80=99
  798 |                 typeof (b) _b =3D (b); \
      |                                  ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80=
=98RTE_MAX=E2=80=99
 2971 |                                        RTE_MAX(txq->inlen_empw +
      |                                        ^~~~~~~
../lib/eal/include/rte_common.h:797:28: note: shadowed declaration is here
  797 |                 typeof (a) _a =3D (a); \
      |                            ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80=
=98RTE_MIN=E2=80=99
 2970 |                         room =3D RTE_MIN(room,
      |                                ^~~~~~~
../lib/eal/include/rte_common.h:818:28: warning: declaration of =E2=80=98_b=
=E2=80=99 shadows a
previous local [-Wshadow]
  818 |                 typeof (b) _b =3D (b); \
      |                            ^~
../lib/eal/include/rte_common.h:798:34: note: in definition of macro =E2=80=
=98RTE_MIN=E2=80=99
  798 |                 typeof (b) _b =3D (b); \
      |                                  ^
../drivers/net/mlx5/mlx5_tx.h:2971:40: note: in expansion of macro =E2=80=
=98RTE_MAX=E2=80=99
 2971 |                                        RTE_MAX(txq->inlen_empw +
      |                                        ^~~~~~~
../lib/eal/include/rte_common.h:798:28: note: shadowed declaration is here
  798 |                 typeof (b) _b =3D (b); \
      |                            ^~
../drivers/net/mlx5/mlx5_tx.h:2970:32: note: in expansion of macro =E2=80=
=98RTE_MIN=E2=80=99
 2970 |                         room =3D RTE_MIN(room,
      |                                ^~~~~~~

...
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