linux-kernel - drivers/gpu/drm/vmwgfx/vmwgfx.prelink.o: warning: objtool: vmw_port_hb_out()+0xed: return with modified stack frame

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Date:   Tue, 12 Apr 2022 07:28:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/gpu/drm/vmwgfx/vmwgfx.prelink.o: warning: objtool:
 vmw_port_hb_out()+0xed: return with modified stack frame

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e
commit: d31ed5d767c0452b4f49846d80a0bfeafa3a4ded kbuild: Fixup the IBT kbuild changes
date:   3 weeks ago
config: x86_64-randconfig-c002-20220411 (https://download.01.org/0day-ci/archive/20220412/202204120755.ISBovapC-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d31ed5d767c0452b4f49846d80a0bfeafa3a4ded
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d31ed5d767c0452b4f49846d80a0bfeafa3a4ded
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/

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 >>):

>> drivers/gpu/drm/vmwgfx/vmwgfx.prelink.o: warning: objtool: vmw_port_hb_out()+0xed: return with modified stack frame
>> drivers/gpu/drm/vmwgfx/vmwgfx.prelink.o: warning: objtool: vmw_port_hb_in()+0xe5: return with modified stack frame

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