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[204.195.112.199]) by smtp.gmail.com with ESMTPSA id 9-20020aa79149000000b00518424f8922sm11894455pfi.77.2022.06.21.16.17.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jun 2022 16:17:18 -0700 (PDT) Date: Tue, 21 Jun 2022 16:17:16 -0700 From: Stephen Hemminger <stephen@networkplumber.org> To: David Marchand <david.marchand@redhat.com> Cc: dev@dpdk.org, thomas@monjalon.net, ferruh.yigit@xilinx.com, stable@dpdk.org, Rasesh Mody <rmody@marvell.com>, Devendra Singh Rawat <dsinghrawat@marvell.com> Subject: Re: [PATCH 08/12] net/qede/base: fix build with GCC 12 Message-ID: <20220621161716.7388367b@hermes.local> In-Reply-To: <20220518101657.1230416-9-david.marchand@redhat.com> References: <20220518101657.1230416-1-david.marchand@redhat.com> <20220518101657.1230416-9-david.marchand@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org On Wed, 18 May 2022 12:16:53 +0200 David Marchand <david.marchand@redhat.com> wrote: > GCC raises the following warning: >=20 > In function =E2=80=98_mm256_storeu_si256=E2=80=99, > inlined from =E2=80=98rte_mov32=E2=80=99 at > ../lib/eal/x86/include/rte_memcpy.h:320:2, > inlined from =E2=80=98rte_mov128=E2=80=99 at > ../lib/eal/x86/include/rte_memcpy.h:342:2, > inlined from =E2=80=98rte_memcpy_generic=E2=80=99 at > ../lib/eal/x86/include/rte_memcpy.h:438:4, > inlined from =E2=80=98rte_memcpy=E2=80=99 at > ../lib/eal/x86/include/rte_memcpy.h:882:10, > inlined from =E2=80=98__ecore_mcp_cmd_and_union=E2=80=99 at > ../drivers/net/qede/base/ecore_mcp.c:541:3, > inlined from =E2=80=98_ecore_mcp_cmd_and_union=E2=80=99 at > ../drivers/net/qede/base/ecore_mcp.c:638:2, > inlined from =E2=80=98ecore_mcp_cmd_and_union=E2=80=99 at > ../drivers/net/qede/base/ecore_mcp.c:742:9: > /usr/lib/gcc/x86_64-redhat-linux/12/include/avxintrin.h:935:8: error: > array subscript 1 is outside array bounds of > =E2=80=98union drv_union_data[1]=E2=80=99 [-Werror=3Darray-bounds] > 935 | *__P =3D __A; > | ~~~~~^~~~~ > ../drivers/net/qede/base/ecore_mcp.c: In function > =E2=80=98ecore_mcp_cmd_and_union=E2=80=99: > ../drivers/net/qede/base/ecore_mcp.c:533:30: note: at offset 32 into > object =E2=80=98union_data=E2=80=99 of size 32 > 533 | union drv_union_data union_data; > | ^~~~~~~~~~ >=20 > Since this code is in the base driver, waive the check until the base > driver is fixed by the relevant people. Even there are two maintainers, haven't heard a response from them. It could be a real bug.