tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 71328ca7428fb7f5dfc146ee59ad9736df623cf3 commit: 54ffb22bd8416ef9188dbe005b52ee5a1b5f6e5e [91/92] rcutorture: Move SRCU status printing to SRCU implementations config: blackfin-allmodconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 54ffb22bd8416ef9188dbe005b52ee5a1b5f6e5e # save the attached .config to linux build tree make.cross ARCH=blackfin
All error/warnings (new ones prefixed by >>):
include/linux/srcutiny.h: In function 'srcu_torture_stats_print':
>> arch/blackfin/kernel/module.c:7:40: error: 'mod' undeclared (first use in
>> this function)
#define pr_fmt(fmt) "module %s: " fmt, mod->name
^
include/linux/printk.h:297:20: note: in expansion of macro 'pr_fmt'
printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~
>> include/linux/srcutiny.h:96:2: note: in expansion of macro 'pr_alert'
pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",
^~~~~~~~
arch/blackfin/kernel/module.c:7:40: note: each undeclared identifier is
reported only once for each function it appears in
#define pr_fmt(fmt) "module %s: " fmt, mod->name
^
include/linux/printk.h:297:20: note: in expansion of macro 'pr_fmt'
printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~
>> include/linux/srcutiny.h:96:2: note: in expansion of macro 'pr_alert'
pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",
^~~~~~~~
vim +/pr_alert +96 include/linux/srcutiny.h
80 {
81 synchronize_srcu(sp);
82 }
83
84 static inline void srcu_barrier(struct srcu_struct *sp)
85 {
86 synchronize_srcu(sp);
87 }
88
89 /* Defined here to avoid size increase for non-torture kernels. */
90 static inline void srcu_torture_stats_print(struct srcu_struct *sp,
91 char *tt, char *tf)
92 {
93 int idx;
94
95 idx = READ_ONCE(sp->srcu_idx) & 0x1;
> 96 pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",
97 tt, tf, idx,
98 READ_ONCE(sp->srcu_lock_nesting[!idx]),
99 READ_ONCE(sp->srcu_lock_nesting[idx]));
100 }
101
102 #endif
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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