Re: [PATCH v2 11/12] x86/paravirt: switch functions with custom code to ALTERNATIVE

[kernel test robot <lkp@xxxxxxxxx>]

Hi Juergen,

I love your patch! Perhaps something to improve:

[auto build test WARNING on v5.10-rc4]
[also build test WARNING on next-20201120]
[cannot apply to tip/x86/core xen-tip/linux-next tip/x86/asm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    
https://github.com/0day-ci/linux/commits/Juergen-Gross/x86-major-paravirt-cleanup/20201120-194934
base:    09162bc32c880a791c6c0668ce0745cf7958f576
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # 
https://github.com/0day-ci/linux/commit/fd8d46a7a2c51313ee14c43af60ff337279384ef
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Juergen-Gross/x86-major-paravirt-cleanup/20201120-194934
        git checkout fd8d46a7a2c51313ee14c43af60ff337279384ef
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> drivers/misc/lkdtm/bugs.o: warning: objtool: .altinstr_replacement+0x0: 
>> alternative modifies stack

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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