On Wed, Jun 22, 2022 at 1:17 AM Stephen Hemminger <step...@networkplumber.org> wrote: > > GCC raises the following warning: > > > > In function ‘_mm256_storeu_si256’, > > inlined from ‘rte_mov32’ at > > ../lib/eal/x86/include/rte_memcpy.h:320:2, > > inlined from ‘rte_mov128’ at > > ../lib/eal/x86/include/rte_memcpy.h:342:2, > > inlined from ‘rte_memcpy_generic’ at > > ../lib/eal/x86/include/rte_memcpy.h:438:4, > > inlined from ‘rte_memcpy’ at > > ../lib/eal/x86/include/rte_memcpy.h:882:10, > > inlined from ‘__ecore_mcp_cmd_and_union’ at > > ../drivers/net/qede/base/ecore_mcp.c:541:3, > > inlined from ‘_ecore_mcp_cmd_and_union’ at > > ../drivers/net/qede/base/ecore_mcp.c:638:2, > > inlined from ‘ecore_mcp_cmd_and_union’ 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 > > ‘union drv_union_data[1]’ [-Werror=array-bounds] > > 935 | *__P = __A; > > | ~~~~~^~~~~ > > ../drivers/net/qede/base/ecore_mcp.c: In function > > ‘ecore_mcp_cmd_and_union’: > > ../drivers/net/qede/base/ecore_mcp.c:533:30: note: at offset 32 into > > object ‘union_data’ of size 32 > > 533 | union drv_union_data union_data; > > | ^~~~~~~~~~ > > > > 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.
Maintainers were pinged privately but I see no progress. If I don't get a reply from them by tomorrow morning (GMT+2), I will merge your RFC patch as it seems the best fix atm. https://patchwork.dpdk.org/project/dpdk/patch/20220607171746.461772-3-step...@networkplumber.org/ -- David Marchand
