netdev - RE: [PATCH iwl-net] ice: health.c: fix compilation on gcc 7.5

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Message-ID: <CY8PR11MB7134910DC9955677B163531889F72@CY8PR11MB7134.namprd11.prod.outlook.com>
Date: Wed, 5 Feb 2025 11:39:43 +0000
From: "Zhuo, Qiuxu" <qiuxu.zhuo@...el.com>
To: "Kitszel, Przemyslaw" <przemyslaw.kitszel@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"Nguyen, Anthony L" <anthony.l.nguyen@...el.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Knitter, Konrad"
	<konrad.knitter@...el.com>, Michal Swiatkowski
	<michal.swiatkowski@...ux.intel.com>, Linus Torvalds
	<torvalds@...ux-foundation.org>, Kees Cook <kees@...nel.org>, "Nick
 Desaulniers" <nick.desaulniers@...il.com>
Subject: RE: [PATCH iwl-net] ice: health.c: fix compilation on gcc 7.5

> From: Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>
> [...]
> Subject: [PATCH iwl-net] ice: health.c: fix compilation on gcc 7.5
> 
> GCC 7 is not as good as GCC 8+ in telling what is a compile-time const, and
> thus could be used for static storage. So we could not use variables for that,
> no matter how much "const" keyword is sprinkled around.
> 
> Excerpt from the report:
> My GCC is: gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0.
> 
>   CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.o
> drivers/net/ethernet/intel/ice/devlink/health.c:35:3: error: initializer element
> is not constant
>    ice_common_port_solutions, {ice_port_number_label}},
>    ^~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/intel/ice/devlink/health.c:35:3: note: (near initialization
> for 'ice_health_status_lookup[0].solution')
> drivers/net/ethernet/intel/ice/devlink/health.c:35:31: error: initializer
> element is not constant
>    ice_common_port_solutions, {ice_port_number_label}},
>                                ^~~~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/intel/ice/devlink/health.c:35:31: note: (near initialization
> for 'ice_health_status_lookup[0].data_label[0]')
> drivers/net/ethernet/intel/ice/devlink/health.c:37:46: error: initializer
> element is not constant
>    "Change or replace the module or cable.", {ice_port_number_label}},
>                                               ^~~~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/intel/ice/devlink/health.c:37:46: note: (near initialization
> for 'ice_health_status_lookup[1].data_label[0]')
> drivers/net/ethernet/intel/ice/devlink/health.c:39:3: error: initializer element
> is not constant
>    ice_common_port_solutions, {ice_port_number_label}},
>    ^~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Fixes: 85d6164ec56d ("ice: add fw and port health reporters")
> Reported-by: Qiuxu Zhuo <qiuxu.zhuo@...el.com>
> Closes:
> https://lore.kernel.org/netdev/CY8PR11MB7134BF7A46D71E50D25FA7A989F
> 72@...PR11MB7134.namprd11.prod.outlook.com
> Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>

Tested-by: Qiuxu Zhuo <qiuxu.zhuo@...el.com>

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