Re: [arm-platforms:kvm-arm64/ptp 1/7] drivers/firmware/smccc/kvm_guest.c:12:13: warning: no previous prototype for function 'kvm_init_hyp_services'

On 2021-02-02 22:55, kernel test robot wrote:

tree:
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
kvm-arm64/ptp
head:   fecd9f021d3220b48d00597bd8e04e4fa6fd9dee
commit: 0f90140a1f02cefb2ce98a94d7f01f5892b95fc2 [1/7] arm/arm64:
Probe for the presence of KVM hypervisor
config: arm64-randconfig-r032-20210202 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
275c6af7d7f1ed63a03d05b4484413e447133269)
reproduce (this is a W=1 build):
        wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
-O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        #
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=0f90140a1f02cefb2ce98a94d7f01f5892b95fc2
        git remote add arm-platforms
https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
        git fetch --no-tags arm-platforms kvm-arm64/ptp
        git checkout 0f90140a1f02cefb2ce98a94d7f01f5892b95fc2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 
ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All warnings (new ones prefixed by >>):

quoted

quoted

drivers/firmware/smccc/kvm_guest.c:12:13: warning: no previous 
prototype for function 'kvm_init_hyp_services' [-Wmissing-prototypes]

   void __init kvm_init_hyp_services(void)
               ^
   drivers/firmware/smccc/kvm_guest.c:12:1: note: declare 'static' if
the function is not intended to be used outside of this translation
unit
   void __init kvm_init_hyp_services(void)
   ^
   static

quoted

quoted

drivers/firmware/smccc/kvm_guest.c:44:6: warning: no previous 
prototype for function 'kvm_arm_hyp_service_available' 
[-Wmissing-prototypes]

   bool kvm_arm_hyp_service_available(u32 func_id)
        ^
   drivers/firmware/smccc/kvm_guest.c:44:1: note: declare 'static' if
the function is not intended to be used outside of this translation
unit
   bool kvm_arm_hyp_service_available(u32 func_id)
   ^
   static
   2 warnings generated.

Now fixed with an include of <asm/hypervisor.h>

            M.
-- 
Jazz is not dead. It just smells funny...

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel