linux-kernel - [peterz-queue:x86/wip.ibt.ud1 39/56] net/sunrpc/clnt.o: warning: objtool: rpc_run_task() falls through to next function rpc_call_null

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Date:   Tue, 15 Mar 2022 15:15:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:x86/wip.ibt.ud1 39/56] net/sunrpc/clnt.o: warning:
 objtool: rpc_run_task() falls through to next function
 rpc_call_null_helper()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt.ud1
head:   f86aacc74625dc1b2b1d2ae309d2a832dba4d4f4
commit: 4c90d8ae1079abe5849747099a8ba128a7a19d84 [39/56] x86: Mark __invalid_creds() __noreturn
config: x86_64-randconfig-a004 (https://download.01.org/0day-ci/archive/20220315/202203151512.HTVGuNrr-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=4c90d8ae1079abe5849747099a8ba128a7a19d84
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue x86/wip.ibt.ud1
        git checkout 4c90d8ae1079abe5849747099a8ba128a7a19d84
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs// kernel// net/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> net/sunrpc/clnt.o: warning: objtool: rpc_run_task() falls through to next function rpc_call_null_helper()
--
>> net/sunrpc/auth.o: warning: objtool: rpcauth_init_cred() falls through to next function rpcauth_get_authops()
--
>> fs/nfs/nfs4state.o: warning: objtool: nfs4_establish_lease() falls through to next function nfs4_state_end_reclaim_reboot()
>> fs/nfs/nfs4state.o: warning: objtool: nfs4_state_end_reclaim_reboot() falls through to next function nfs4_recovery_handle_error()
   fs/nfs/nfs4state.o: warning: objtool: nfs4_get_machine_cred() falls through to next function nfs4_get_renew_cred()
   fs/nfs/nfs4state.o: warning: objtool: nfs4_get_renew_cred() falls through to next function nfs4_get_clid_cred()
>> fs/nfs/nfs4state.o: warning: objtool: nfs4_get_clid_cred() falls through to next function nfs4_get_state_owner()
--
>> fs/nfs/nfs4renewd.o: warning: objtool: nfs4_renew_state() falls through to next function nfs4_kill_renewd()
--
>> fs/nfs/delegation.o: warning: objtool: nfs_do_return_delegation() falls through to next function nfs4_do_check_delegation()
   fs/nfs/delegation.o: warning: objtool: nfs4_copy_delegation_stateid() falls through to next function nfs4_delegation_flush_on_close()
--
>> fs/nfs/nfs4idmap.o: warning: objtool: put_cred() falls through to next function nfs_idmap_legacy_upcall()
--
>> fs/nfs/nfs4client.o: warning: objtool: nfs4_create_referral_server() falls through to next function nfs4_update_server()

---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org