'Voluntary context switch within RCU read-side critical section' message logged by the kernel when onload module is in use

Issue

• Kernel logged Voluntary context switch within RCU read-side critical section! message followed by WARNING: CPU: 2 PID: 374862 at kernel/rcu/tree_plugin.h:316 rcu_note_context_switch+0x247/0x260 warning.
• Backtrace of task:

crash> bt
PID: 1082965  TASK: ff23808865a58000  CPU: 31   COMMAND: "Process_name"
 #0 [ff5c3e92ebf33aa8] __schedule at ffffffff9bd37028
 #1 [ff5c3e92ebf33b10] schedule at ffffffff9bd3751d
 #2 [ff5c3e92ebf33b20] schedule_timeout at ffffffff9bd3c20d
 #3 [ff5c3e92ebf33b88] __wait_for_common at ffffffff9bd37f00
 #4 [ff5c3e92ebf33c00] __wait_rcu_gp at ffffffff9b382486
 #5 [ff5c3e92ebf33c38] synchronize_rcu at ffffffff9b38dd1a
 #6 [ff5c3e92ebf33c80] expand_files at ffffffff9b5ee98d
 #7 [ff5c3e92ebf33cd8] alloc_fd at ffffffff9b5eeb30
 #8 [ff5c3e92ebf33d20] oo_fd_replace_file at ffffffffc09def31 [onload]
 #9 [ff5c3e92ebf33d58] efab_tcp_helper_handover at ffffffffc09df391 [onload]
#10 [ff5c3e92ebf33da0] oo_fop_unlocked_ioctl at ffffffffc09dd3f8 [onload]
#11 [ff5c3e92ebf33e40] __x64_sys_ioctl at ffffffff9b5e1e57
#12 [ff5c3e92ebf33e70] do_syscall_64 at ffffffff9bd2b159
#13 [ff5c3e92ebf33f50] entry_SYSCALL_64_after_hwframe at ffffffff9be000dc
    RIP: 00007ffff7de3c5b  RSP: 00007fff569b55a0  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 00007fff38119120  RCX: 00007ffff7de3c5b
    RDX: 00007fff569b560c  RSI: 00000000c0045a3d  RDI: 00000000000000ff
    RBP: 00000000000000ff   R8: 0000000000000000   R9: 0000000000000000
    R10: 00007ffef3700c00  R11: 0000000000000246  R12: 00000000c0045a3d
    R13: 00007ffff7fc45e0  R14: 00007fff569b6a40  R15: 0000000000000002
    ORIG_RAX: 0000000000000010  CS: 0033  SS: 002b