linux-kernel - vmlinux.o: warning: objtool: pv_ops[23]: xen_read

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202206221714.98EtuqRm-lkp@intel.com>
Date:   Wed, 22 Jun 2022 17:36:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...e.de>
Subject: vmlinux.o: warning: objtool: pv_ops[23]: xen_read_msr

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ca1fdab7fd27eb069df1384b2850dcd0c2bebe8d
commit: 027bbb884be006b05d9c577d6401686053aa789e KVM: x86/speculation: Disable Fill buffer clear within guests
date:   5 weeks ago
config: x86_64-randconfig-a011-20211126 (https://download.01.org/0day-ci/archive/20220622/202206221714.98EtuqRm-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=027bbb884be006b05d9c577d6401686053aa789e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 027bbb884be006b05d9c577d6401686053aa789e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: pv_ops[23]: xen_read_msr
>> vmlinux.o: warning: objtool: pv_ops[23]: native_read_msr
   vmlinux.o: warning: objtool: vmx_vcpu_enter_exit()+0x5c: call to pv_ops[22]() leaves .noinstr.text section

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