linux-kernel - Re: objtool warning in ice_free_prof

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Message-ID: <fdb5d23c-8c39-4f73-a89d-32257dac389b@intel.com>
Date: Mon, 7 Apr 2025 11:03:31 +0200
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Oleksandr Natalenko <oleksandr@...alenko.name>,
	<linux-kernel@...r.kernel.org>
CC: <netdev@...r.kernel.org>, <intel-wired-lan@...ts.osuosl.org>, Paolo Abeni
	<pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>, Eric Dumazet
	<edumazet@...gle.com>, "David S. Miller" <davem@...emloft.net>, Andrew Lunn
	<andrew+netdev@...n.ch>, Tony Nguyen <anthony.l.nguyen@...el.com>, "Peter
 Zijlstra" <peterz@...radead.org>, Josh Poimboeuf <jpoimboe@...nel.org>
Subject: Re: objtool warning in ice_free_prof_mask

On 4/7/25 08:20, Oleksandr Natalenko wrote:
> Hello.
> 
> With v6.15-rc1, CONFIG_OBJTOOL_WERROR=y and gcc 14.2.1 the following happens:

have you COMPILE_TEST'ed whole kernel and this is the only (new) error?

> 
> ```
> drivers/net/ethernet/intel/ice/ice.o: error: objtool: ice_free_prof_mask.isra.0() falls through to next function ice_free_flow_profs.cold()
> drivers/net/ethernet/intel/ice/ice.o: error: objtool: ice_free_prof_mask.isra.0.cold() is missing an ELF size annotation
> ```
> 
> If I mark ice_write_prof_mask_reg() as noinline, this warning disappears.
> 
> Any idea what's going wrong?

sorry, no idea

> 
> Thank you.
>