Hi 0Day maintainers,
The right patch is https://lkml.org/lkml/2017/11/6/685
I don't know why the original wrong patch is tested again.
B.R.
Changcheng
On 11:10 Thu 09 Nov, kbuild test robot wrote:
> Hi Changcheng,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.14-rc8]
> [cannot apply to next-20171108]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
>
> url:
> https://github.com/0day-ci/linux/commits/Liu-Changcheng/format-idle-IP-output-func-offset-length/20171109-100035
> config: i386-randconfig-x074-201745 (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All warnings (new ones prefixed by >>):
>
> In file included from include/linux/printk.h:7:0,
> from include/linux/kernel.h:14,
> from include/linux/cpumask.h:10,
> from lib/nmi_backtrace.c:16:
> lib/nmi_backtrace.c: In function 'nmi_cpu_backtrace':
> >> include/linux/kern_levels.h:5:18: warning: format '%p' expects argument of
> >> type 'void *', but argument 3 has type 'long unsigned int' [-Wformat=]
> #define KERN_SOH "\001" /* ASCII Start Of Header */
> ^
> include/linux/kern_levels.h:12:22: note: in expansion of macro 'KERN_SOH'
> #define KERN_WARNING KERN_SOH "4" /* warning conditions */
> ^~~~~~~~
> include/linux/printk.h:304:9: note: in expansion of macro 'KERN_WARNING'
> printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> ^~~~~~~~~~~~
> include/linux/printk.h:305:17: note: in expansion of macro 'pr_warning'
> #define pr_warn pr_warning
> ^~~~~~~~~~
> >> lib/nmi_backtrace.c:96:4: note: in expansion of macro 'pr_warn'
> pr_warn("NMI backtrace for cpu %d skipped: idling at pc %pS\n",
> ^~~~~~~
>
> vim +/pr_warn +96 lib/nmi_backtrace.c
>
> 87
> 88 bool nmi_cpu_backtrace(struct pt_regs *regs)
> 89 {
> 90 static arch_spinlock_t lock = __ARCH_SPIN_LOCK_UNLOCKED;
> 91 int cpu = smp_processor_id();
> 92
> 93 if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) {
> 94 arch_spin_lock(&lock);
> 95 if (regs &&
> cpu_in_idle(instruction_pointer(regs))) {
> > 96 pr_warn("NMI backtrace for cpu %d
> skipped: idling at pc %pS\n",
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
