[intel-tdx:guest-upstream 5/32] arch/x86/coco/tdx/tdcall.o: warning: objtool: __tdx_module_call()+0x3a: missing int3 after ret

From: kernel test robot
Date: Fri Apr 01 2022 - 03:10:02 EST


Hi Kuppuswamy,

First bad commit (maybe != root cause):

tree: https://github.com/intel/tdx.git guest-upstream
head: 7d5c8afa0ebaf1731bb7ce8fe34a3248224fe0e9
commit: c03bec7b2dad416b31b8e5d5d656dfd84430ee09 [5/32] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220401/202204011414.sHGf1lWN-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
# https://github.com/intel/tdx/commit/c03bec7b2dad416b31b8e5d5d656dfd84430ee09
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest-upstream
git checkout c03bec7b2dad416b31b8e5d5d656dfd84430ee09
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/

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

All warnings (new ones prefixed by >>):

>> arch/x86/coco/tdx/tdcall.o: warning: objtool: __tdx_module_call()+0x3a: missing int3 after ret
>> arch/x86/coco/tdx/tdcall.o: warning: objtool: __tdx_hypercall()+0x60: missing int3 after ret

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https://01.org/lkp