Hi Borislav,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tip-x86-alternatives
head:   82db736201e76889825efe8899ad55976111691a
commit: 82db736201e76889825efe8899ad55976111691a [1/1] x86/alternatives: Add alt_instr.flags
config: x86_64-rhel-8.3-rust
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/linux/kernel/git/bp/bp.git/commit/?id=82db736201e76889825efe8899ad55976111691a
        git remote add bp https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git
        git fetch --no-tags bp tip-x86-alternatives
        git checkout 82db736201e76889825efe8899ad55976111691a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 prepare

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

All errors (new ones prefixed by >>):

>> error[E0588]: packed type cannot transitively contain a `#[repr(align)]` type
   --> rust/bindings/bindings_generated.rs:6184:1
   |
   6184 | / pub struct alt_instr {
   6185 | |     pub instr_offset: s32,
   6186 | |     pub repl_offset: s32,
   6187 | |     pub __bindgen_anon_1: alt_instr__bindgen_ty_1,
   6188 | |     pub instrlen: u8_,
   6189 | |     pub replacementlen: u8_,
   6190 | | }
   | |_^
   |
   note: `alt_instr__bindgen_ty_1__bindgen_ty_1` has a `#[repr(align)]` attribute
   --> rust/bindings/bindings_generated.rs:6201:1
   |
   6201 | / pub struct alt_instr__bindgen_ty_1__bindgen_ty_1 {
   6202 | |     pub _bitfield_1: __BindgenBitfieldUnit<[u8; 4usize], u16>,
   6203 | | }
   | |_^
   note: `alt_instr` contains a field of type `alt_instr__bindgen_ty_1`
   --> rust/bindings/bindings_generated.rs:6187:9
   |
   6187 |     pub __bindgen_anon_1: alt_instr__bindgen_ty_1,
   |         ^^^^^^^^^^^^^^^^
   note: ...which contains a field of type `alt_instr__bindgen_ty_1__bindgen_ty_1`
   --> rust/bindings/bindings_generated.rs:6194:9
   |
   6194 |     pub __bindgen_anon_1: alt_instr__bindgen_ty_1__bindgen_ty_1,
   |         ^^^^^^^^^^^^^^^^
--
>> error: aborting due to previous error

-- 
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https://01.org/lkp