* [bigeasy-staging:preemption 17/36] arch/s390/kernel/dumpstack.c:197:7: warning: "CONFIG_PREEMPT_RT" is not defined, evaluates to 0
@ 2019-10-02 18:17 kbuild test robot
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From: kbuild test robot @ 2019-10-02 18:17 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/staging.git preemption
head: 94ad72514bd0c0c9c31dee81fb6339daf06e508f
commit: 421a3f5894210a669b68c61aba12fbd655b58fdf [17/36] s390: Use CONFIG_PREEMPTION
config: s390-allmodconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 421a3f5894210a669b68c61aba12fbd655b58fdf
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=s390
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/s390/kernel/dumpstack.c: In function 'die':
>> arch/s390/kernel/dumpstack.c:197:7: warning: "CONFIG_PREEMPT_RT" is not defined, evaluates to 0 [-Wundef]
#elif CONFIG_PREEMPT_RT
^~~~~~~~~~~~~~~~~
vim +/CONFIG_PREEMPT_RT +197 arch/s390/kernel/dumpstack.c
182
183 void die(struct pt_regs *regs, const char *str)
184 {
185 static int die_counter;
186
187 oops_enter();
188 lgr_info_log();
189 debug_stop_all();
190 console_verbose();
191 spin_lock_irq(&die_lock);
192 bust_spinlocks(1);
193 printk("%s: %04x ilc:%d [#%d] ", str, regs->int_code & 0xffff,
194 regs->int_code >> 17, ++die_counter);
195 #ifdef CONFIG_PREEMPT
196 pr_cont("PREEMPT ");
> 197 #elif CONFIG_PREEMPT_RT
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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2019-10-02 18:17 [bigeasy-staging:preemption 17/36] arch/s390/kernel/dumpstack.c:197:7: warning: "CONFIG_PREEMPT_RT" is not defined, evaluates to 0 kbuild test robot
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