tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 07180bfca95f9819250887160a5ccc53119967a7 commit: 07180bfca95f9819250887160a5ccc53119967a7 [42/42] EXP rcu: Add ->qsmask to assertion config: x86_64-randconfig-x013-201806 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 07180bfca95f9819250887160a5ccc53119967a7 # save the attached .config to linux build tree make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:7:0,
from include/linux/kernel.h:14,
from kernel/rcu/tree.c:31:
kernel/rcu/tree_plugin.h: In function 'dump_blkd_tasks':
include/linux/kern_levels.h:5:18: warning: format '%x' expects argument of
type 'unsigned int', but argument 6 has type 'long unsigned int' [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
#define KERN_INFO KERN_SOH "6" /* informational */
^~~~~~~~
include/linux/printk.h:308:9: note: in expansion of macro 'KERN_INFO'
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
^~~~~~~~~
>> kernel/rcu/tree_plugin.h:820:2: note: in expansion of macro 'pr_info'
pr_info("%s: grp: %d-%d level: %d ->qamask %#x ->gp_tasks %p ->boost_tasks
%p ->exp_tasks %p &->blkd_tasks: %p offset: %u\n", __func__, rnp->grplo,
rnp->grphi, rnp->level, rnp->qsmask, rnp->gp_tasks, rnp->boost_tasks,
rnp->exp_tasks, &rnp->blkd_tasks, (unsigned int)offsetof(typeof(*rnp),
blkd_tasks));
^~~~~~~
In file included from kernel/rcu/tree.c:4200:0:
kernel/rcu/tree_plugin.h:820:47: note: format string is defined here
pr_info("%s: grp: %d-%d level: %d ->qamask %#x ->gp_tasks %p ->boost_tasks
%p ->exp_tasks %p &->blkd_tasks: %p offset: %u\n", __func__, rnp->grplo,
rnp->grphi, rnp->level, rnp->qsmask, rnp->gp_tasks, rnp->boost_tasks,
rnp->exp_tasks, &rnp->blkd_tasks, (unsigned int)offsetof(typeof(*rnp),
blkd_tasks));
~~^
%#lx
vim +/pr_info +820 kernel/rcu/tree_plugin.h
809
810 /*
811 * Dump the blocked-tasks state, but limit the list dump to the
812 * specified number of elements.
813 */
814 static void dump_blkd_tasks(struct rcu_node *rnp, int ncheck)
815 {
816 int i;
817 struct list_head *lhp;
818
819 lockdep_assert_held(&rnp->lock);
> 820 pr_info("%s: grp: %d-%d level: %d ->qamask %#x ->gp_tasks %p
> ->boost_tasks %p ->exp_tasks %p &->blkd_tasks: %p offset: %u\n", __func__,
> rnp->grplo, rnp->grphi, rnp->level, rnp->qsmask, rnp->gp_tasks,
> rnp->boost_tasks, rnp->exp_tasks, &rnp->blkd_tasks, (unsigned
> int)offsetof(typeof(*rnp), blkd_tasks));
821 pr_cont("\t->blkd_tasks");
822 i = 0;
823 list_for_each(lhp, &rnp->blkd_tasks) {
824 pr_cont(" %p", lhp);
825 if (++i >= 10)
826 break;
827 }
828 pr_cont("\n");
829 }
830
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
