Re: [linux-next:master 12681/13861] drivers/i2c/i2c-core-base.o: warning: objtool: __i2c_transfer+0x120: stack state mismatch: reg1[24]=-1+0 reg2[24]=-2-24

[Josh Poimboeuf]

On Tue, Apr 08, 2025 at 10:45:51AM +0800, Tiezhu Yang wrote:
> So this is a run-time bug rather than a compile-time warning, it should
> put the option "-fno-shrink-wrap" outside CONFIG_OBJTOOL in
> arch/loongarch/Makefile as a workaround, like this:

If loongarch folks agree it's a compiler bug, it should be reported to
GCC, so the issue is better understood (and can get fixed).

Without understanding the root cause, we don't know if -fno-shrink-wrap
fixes it, or just makes this particular occurrence go away.

-- 
Josh