[RFC] arm: Add generic smc wrapper

kbuild test robot lkp at intel.com
Thu Oct 1 22:13:24 PDT 2015

Hi Lars,

[auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]

config: arm-rpc_defconfig (attached as .config)
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All error/warnings (new ones prefixed by >>):

   arch/arm/kernel/smc-call.S: Assembler messages:
>> arch/arm/kernel/smc-call.S:21: Error: selected processor does not support ARM mode `bx lr'

vim +21 arch/arm/kernel/smc-call.S

    16	#include <asm/opcodes-sec.h>
    18	/* int invoke_smc(u32 function_id, u32 arg0, u32 arg1, u32 arg2) */
    19	ENTRY(invoke_smc)
    20		__SMC(0)
  > 21		bx	lr
    22	ENDPROC(invoke_smc)

0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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