* [peterz-queue:objtool/core 27/28] vmlinux.o: warning: objtool: enter_from_user_mode+0x4e: call to on_thread_stack() leaves .noinstr.text section
@ 2022-05-07 2:07 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-07 2:07 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git objtool/core
head: 0c477702d82da35bdf3b944cb844829fdfac2a53
commit: 0c1ce224210235e8a51495014a2a6c9a020d24f0 [27/28] x86/cpu: Elide KCSAN for cpu_has() and friends
config: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220507/202205070939.aHPp3lal-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=0c1ce224210235e8a51495014a2a6c9a020d24f0
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 0c1ce224210235e8a51495014a2a6c9a020d24f0
# 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 as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: enter_from_user_mode+0x4e: call to on_thread_stack() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x53: call to on_thread_stack() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x4e: call to on_thread_stack() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x4e: call to on_thread_stack() leaves .noinstr.text section
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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