Re: [PATCH v2 1/1] kernel.h: split out instruction pointer accessors

From: kernel test robot
Date: Wed Oct 27 2021 - 14:10:59 EST


Hi Andy,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20211026]
[cannot apply to linus/master v5.15-rc7 v5.15-rc6 v5.15-rc5 v5.15-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/kernel-h-split-out-instruction-pointer-accessors/20211027-235208
base: 2376e5fe91bcad74b997d2cc0535abff79ec73c5
config: i386-tinyconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/9fc7130c986cccb5765165dd9f7fc77a4935892c
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Andy-Shevchenko/kernel-h-split-out-instruction-pointer-accessors/20211027-235208
git checkout 9fc7130c986cccb5765165dd9f7fc77a4935892c
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/kernel.h:23,
from include/linux/crypto.h:16,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/instruction_pointer.h:8:2: error: invalid preprocessing directive #enfif; did you mean #endif?
8 | #enfif /* _LINUX_INSTRUCTION_POINTER_H */
| ^~~~~
| endif
>> include/linux/instruction_pointer.h:2: error: unterminated #ifndef
2 | #ifndef _LINUX_INSTRUCTION_POINTER_H
|
In file included from include/linux/bottom_half.h:5,
from include/linux/spinlock.h:61,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from include/linux/crypto.h:20,
from arch/x86/kernel/asm-offsets.c:9:
>> include/linux/instruction_pointer.h:2: error: unterminated #ifndef
2 | #ifndef _LINUX_INSTRUCTION_POINTER_H
|
make[2]: *** [scripts/Makefile.build:122: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1288: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:226: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.


vim +8 include/linux/instruction_pointer.h

> 2 #ifndef _LINUX_INSTRUCTION_POINTER_H
3 #define _LINUX_INSTRUCTION_POINTER_H
4
5 #define _RET_IP_ (unsigned long)__builtin_return_address(0)
6 #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
7
> 8 #enfif /* _LINUX_INSTRUCTION_POINTER_H */

---
0-DAY CI Kernel Test Service, Intel Corporation
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