[kas:lam 10/10] arch/x86/kernel/proc.c:35:24: error: 'X86_THREAD_LAM_U48' undeclared; did you mean 'X86_CR3_LAM_U48'?

From: kernel test robot
Date: Thu Apr 07 2022 - 04:55:52 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git lam
head: 73447e771c55e18598a6fbf6adee1002aee18ea0
commit: 73447e771c55e18598a6fbf6adee1002aee18ea0 [10/10] x86: Expose thread features status in /proc/$PID/arch_status
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220407/202204071610.T6fPhCnP-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git/commit/?id=73447e771c55e18598a6fbf6adee1002aee18ea0
git remote add kas https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git
git fetch --no-tags kas lam
git checkout 73447e771c55e18598a6fbf6adee1002aee18ea0
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

arch/x86/kernel/proc.c: In function 'dump_features':
>> arch/x86/kernel/proc.c:35:24: error: 'X86_THREAD_LAM_U48' undeclared (first use in this function); did you mean 'X86_CR3_LAM_U48'?
35 | if (features & X86_THREAD_LAM_U48)
| ^~~~~~~~~~~~~~~~~~
| X86_CR3_LAM_U48
arch/x86/kernel/proc.c:35:24: note: each undeclared identifier is reported only once for each function it appears in
>> arch/x86/kernel/proc.c:37:24: error: 'X86_THREAD_LAM_U57' undeclared (first use in this function); did you mean 'X86_CR3_LAM_U57'?
37 | if (features & X86_THREAD_LAM_U57)
| ^~~~~~~~~~~~~~~~~~
| X86_CR3_LAM_U57


vim +35 arch/x86/kernel/proc.c

32
33 static void dump_features(struct seq_file *m, unsigned long features)
34 {
> 35 if (features & X86_THREAD_LAM_U48)
36 seq_puts(m, "lam_u48 ");
> 37 if (features & X86_THREAD_LAM_U57)
38 seq_puts(m, "lam_u57 ");
39 }
40

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