linux-kernel - [intel-tdx:guest-upstream 5/32] arch/x86/coco/tdx/tdcall.o: warning: objtool: __tdx_module

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Date:   Fri, 1 Apr 2022 15:08:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...e.de>
Subject: [intel-tdx:guest-upstream 5/32] arch/x86/coco/tdx/tdcall.o: warning:
 objtool: __tdx_module_call()+0x3a: missing int3 after ret

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@intel.com/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@...el.com>

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

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp