Re: [kvm:queue 182/205] <inline asm>:40:208: error: expected relocatable expression

[Nathan Chancellor <nathan@kernel.org>]

On Thu, Mar 10, 2022 at 09:28:32AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
> head:   8c1db5a775bc8314d78e99263e0d063a01b692c2
> commit: 4ab22f38c2046f2c949cb43fc0f7515666a2a2fb [182/205] KVM: x86: Support the vCPU preemption check with nopvspin and realtime hint
> config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220310/202203100905.1o88Cp2l-lkp@intel.com/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=4ab22f38c2046f2c949cb43fc0f7515666a2a2fb
>         git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git
>         git fetch --no-tags kvm queue
>         git checkout 4ab22f38c2046f2c949cb43fc0f7515666a2a2fb
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
> >> <inline asm>:40:208: error: expected relocatable expression
>    .pushsection .text;.global __raw_callee_save___kvm_vcpu_is_preempted;.type __raw_callee_save___kvm_vcpu_is_preempted, @function;__raw_callee_save___kvm_vcpu_is_preempted:movq  __per_cpu_offset(,%rdi,8), %rax;cmpb    $0, KVM_STEAL_TIME_preempted+steal_time(%rax);setne     %al;ret;.size __raw_callee_save___kvm_vcpu_is_preempted, .-__raw_callee_save___kvm_vcpu_is_preempted;.popsection
>                                                                                                                                                                                                                    ^
>    1 error generated.

It looks like there is a new revision of the patch that should resolve
this.

https://lore.kernel.org/r/1646891689-53368-1-git-send-email-lirongqing@baidu.com/

It happens with GCC / GNU as too.

/tmp/cc6grhKv.s: Assembler messages:
/tmp/cc6grhKv.s:52: Error: invalid operands (*UND* and .data sections) for `+'

Cheers,
Nathan