Hi Steven, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master] [also build test WARNING on v5.8-rc2 next-20200626] [cannot apply to tip/perf/core linux/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Steven-Rostedt/ring-buffer-Restructure-ftrace-ring-buffer-time-keeping-to-allow-accurate-nested-timing/20200627-091520 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1590a2e1c681b0991bd42c992cabfd380e0338f2 config: i386-randconfig-m021-20200624 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> smatch warnings: kernel/trace/ring_buffer.c:685 rb_time_cmpxchg() warn: inconsistent indenting vim +685 kernel/trace/ring_buffer.c 677 678 static int rb_time_cmpxchg(rb_time_t *t, u64 expect, u64 set) 679 { 680 unsigned long cnt, top, bottom; 681 unsigned long cnt2, top2, bottom2; 682 u64 val; 683 684 /* The cmpxchg always fails if it interrupted an update */ > 685 if (!__rb_time_read(t, &val, &cnt2)) 686 return false; 687 688 if (val != expect) 689 return false; 690 691 cnt = local_read(&t->cnt); 692 if ((cnt & 3) != cnt2) 693 return false; 694 695 cnt2 = cnt + 1; 696 697 rb_time_split(val, &top, &bottom); 698 top = rb_time_val_cnt(top, cnt); 699 bottom = rb_time_val_cnt(bottom, cnt); 700 701 rb_time_split(set, &top2, &bottom2); 702 top2 = rb_time_val_cnt(top2, cnt2); 703 bottom2 = rb_time_val_cnt(bottom2, cnt2); 704 705 if (!rb_time_read_cmpxchg(&t->cnt, cnt, cnt2)) 706 return false; 707 if (!rb_time_read_cmpxchg(&t->top, top, top2)) 708 return false; 709 if (!rb_time_read_cmpxchg(&t->bottom, bottom, bottom2)) 710 return false; 711 return true; 712 } 713 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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