[PATCH] Fixup for "[v2] powerpc/8xx: Allow disabling KUAP at boot time"

Christophe Leroy christophe.leroy at csgroup.eu
Mon Jun 7 03:45:04 AEST 2021


Le 06/06/2021 à 19:43, Christophe Leroy a écrit :

Michael, I sent it as a Fixup because it's in next-test, but if you prefer I can sent a v3.

Christophe

> Kernel test robot reported:
> 
>>> ERROR: modpost: "disable_kuap_key" [net/phonet/pn_pep.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [net/phonet/phonet.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [net/decnet/decnet.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/tee/tee.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/input/evdev.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/input/joydev.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/input/mousedev.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/input/serio/serio_raw.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/fsi/fsi-scom.ko] undefined!
>>> ERROR: modpost: "disable_kuap_key" [drivers/watchdog/mv64x60_wdt.ko] undefined!
> WARNING: modpost: suppressed 13 unresolved symbol warnings because there were too many)
> 
> disable_kuap_key has to be exported. Use EXPORT_SYMBOL() as userspace
> access function are not exported as GPL today.
> 
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
> ---
>   arch/powerpc/mm/nohash/8xx.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
> index a8d44e9342f3..fc663322ba58 100644
> --- a/arch/powerpc/mm/nohash/8xx.c
> +++ b/arch/powerpc/mm/nohash/8xx.c
> @@ -257,6 +257,7 @@ void __init setup_kuep(bool disabled)
>   
>   #ifdef CONFIG_PPC_KUAP
>   struct static_key_false disable_kuap_key;
> +EXPORT_SYMBOL(disable_kuap_key);
>   
>   void __init setup_kuap(bool disabled)
>   {
> 


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