+ Jiri
On Wed, Feb 05, 2025 at 11:42:12AM +0100, Przemek Kitszel wrote:
> 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 <[email protected]>
> Closes:
> https://lore.kernel.org/netdev/cy8pr11mb7134bf7a46d71e50d25fa7a989...@cy8pr11mb7134.namprd11.prod.outlook.com
> Signed-off-by: Przemek Kitszel <[email protected]>
> ---
> I would really like to bump min gcc to 8.5 (RH 8 family),
> instead of supporting old Ubuntu. However SLES 15 is also stuck with gcc 7.5
> :(
>
> CC: Linus Torvalds <[email protected]>
> CC: Kees Cook <[email protected]>
> CC: Nick Desaulniers <[email protected]>
Hi Prezemek,
I ran into a similar problem not so long ago and I'm wondering if
the following, based on a suggestion by Jiri Slaby, resolves your
problem.
diff --git a/drivers/net/ethernet/intel/ice/devlink/health.c
b/drivers/net/ethernet/intel/ice/devlink/health.c
index ea40f7941259..19c3d37aa768 100644
--- a/drivers/net/ethernet/intel/ice/devlink/health.c
+++ b/drivers/net/ethernet/intel/ice/devlink/health.c
@@ -25,10 +25,10 @@ struct ice_health_status {
* The below lookup requires to be sorted by code.
*/
-static const char *const ice_common_port_solutions =
+static const char ice_common_port_solutions[] =
"Check your cable connection. Change or replace the module or cable.
Manually set speed and duplex.";
-static const char *const ice_port_number_label = "Port Number";
-static const char *const ice_update_nvm_solution = "Update to the latest NVM
image.";
+static const char ice_port_number_label[] = "Port Number";
+static const char ice_update_nvm_solution[] = "Update to the latest NVM
image.";
static const struct ice_health_status ice_health_status_lookup[] = {
{ICE_AQC_HEALTH_STATUS_ERR_UNKNOWN_MOD_STRICT, "An unsupported module
was detected.",
Link:
https://lore.kernel.org/netdev/[email protected]/
Link: https://git.kernel.org/netdev/net-next/c/36fb51479e3c