CC: linux-kernel(a)vger.kernel.org
TO: Peter Zijlstra <peterz(a)infradead.org>
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git objtool/core
head: c59205d0022488e4625ffbcf7c87095dca05fa6d
commit: 53cc499ebb8c7f65fb373c8392c3308fccd4dd7e [27/39] objtool,x86: Replace alternatives
with .retpoline_sites
config: x86_64-randconfig-a006-20211013 (attached as .config)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
b6a8c695542b2987eb9a203d5663a0740cb4725f)
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/peterz/queue.git/commit/?...
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue objtool/core
git checkout 53cc499ebb8c7f65fb373c8392c3308fccd4dd7e
# save the attached .config 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(a)intel.com>
All warnings (new ones prefixed by >>):
> vmlinux.o: warning: objtool: file already has .retpoline_sites,
skipping
vmlinux.o: warning: objtool: do_syscall_64()+0x18: call to
static_key_count() leaves .noinstr.text section
vmlinux.o: warning: objtool: fixup_bad_iret()+0x21: call to memset() leaves
.noinstr.text section
vmlinux.o: warning: objtool: in_task_stack()+0xc: call to task_stack_page() leaves
.noinstr.text section
vmlinux.o: warning: objtool: in_entry_stack()+0x10: call to cpu_entry_stack() leaves
.noinstr.text section
vmlinux.o: warning: objtool: rcu_nmi_enter()+0x2a: call to __kcsan_check_access()
leaves .noinstr.text section
vmlinux.o: warning: objtool: enter_from_user_mode()+0x2c: call to
__kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x35: call to
__kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x2c: call to
__kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: exit_to_user_mode()+0x26: call to __kcsan_check_access()
leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0x89: call to
__kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x2c: call to
__kcsan_check_access() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x2d: call to
__kcsan_check_access() leaves .noinstr.text section
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org