linux-kernel - undefined reference to `__aarch64_cas4

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Message-ID: <CAJNi4rO+Dw5qYDtyJVbuo0OqAoXpGq_Qq6xjH9cvMCAUnW+77g@mail.gmail.com>
Date: Tue, 2 Jan 2024 11:29:27 +0800
From: richard clark <richard.xnu.clark@...il.com>
To: gcc-help@....gnu.org
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: undefined reference to `__aarch64_cas4_sync' error on arm64 native build

Hi,

I have a strong power arm64 box, and the linux distro is ubuntu 22.04,
the native gcc version is:

$ gcc --version
gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

It will abort the kernel build with the complaint by 'make Image':
ld: Unexpected GOT/PLT entries detected!
ld: Unexpected run-time procedure linkages detected!
ld: ID map text too big or misaligned
ld: drivers/net/nvidia_eth.o: in function `osi_lock_irq_enabled':
osi_hal.c:(.text+0x3cc): undefined reference to `__aarch64_cas4_sync'
...

But the cross-compile with aarch64-linux-gnu-gcc on the x86 box
doesn't show the above error message.
Any comments/suggestions? Thanks very much!

Richard