linux-kernel - [next-20250507] Multiple ld warnings and build fails

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Message-ID: <1bcc235f-b139-4423-a7bd-2dd16065e08c@linux.ibm.com>
Date: Wed, 7 May 2025 19:09:59 +0530
From: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>
To: Stephen Rothwell <sfr@...b.auug.org.au>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: [next-20250507] Multiple ld warnings and build fails

Greetings!!!

I am observing multiple ld warnings and finally build fails on IBM Power 
server with next-20250507 build.

Repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

GCC: 11.5.0 20240719

ld version: ld version 2.35.2-54.el9

Attached is the .config file.

Errors:

ld: warning: discarding dynamic section .glink
ld: warning: discarding dynamic section .plt
ld: linkage table error against `poly1305_emit_arch'
ld: stubs don't match calculated size
ld: can not build stubs: bad value
ld: lib/crypto/poly1305.o: in function `poly1305_final':
/home/upstreamci/linux/lib/crypto/poly1305.c:65: undefined reference to 
`poly1305_emit_arch'
make[2]: *** [scripts/Makefile.vmlinux:91: vmlinux] Error 1
make[1]: *** [/home/upstreamci/linux/Makefile:1242: vmlinux] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:248: __sub-make] Error 2

If you happen to fix, please add below tag.

Reported-by: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>

Regards,

Venkat.

View attachment "crypto_build_error.txt" of type "text/plain" (178973 bytes)