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Date: Sat, 11 Nov 2023 21:19:46 +0800
From: kernel test robot <lkp@...el.com>
To: Krishna chaitanya chundru <quic_krichai@...cinc.com>,
Manivannan Sadhasivam <mani@...nel.org>,
Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
linux-trace-kernel@...r.kernel.org, quic_vbadigan@...cinc.com,
quic_ramkri@...cinc.com, quic_nitegupt@...cinc.com,
quic_skananth@...cinc.com, quic_parass@...cinc.com,
Krishna chaitanya chundru <quic_krichai@...cinc.com>
Subject: Re: [PATCH v4] bus: mhi: host: Add tracing support
Hi Krishna,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 3006adf3be79cde4d14b1800b963b82b6e5572e0]
url: https://github.com/intel-lab-lkp/linux/commits/Krishna-chaitanya-chundru/bus-mhi-host-Add-tracing-support/20231111-135816
base: 3006adf3be79cde4d14b1800b963b82b6e5572e0
patch link: https://lore.kernel.org/r/20231111-ftrace_support-v4-1-c83602399461%40quicinc.com
patch subject: [PATCH v4] bus: mhi: host: Add tracing support
config: x86_64-randconfig-123-20231111 (https://download.01.org/0day-ci/archive/20231111/202311112133.5QrqkZ0r-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311112133.5QrqkZ0r-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311112133.5QrqkZ0r-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/bus/mhi/host/init.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/bus/mhi/host/trace.h):
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le64
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le64 degrades to integer
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le64 degrades to integer
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le32
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: cast to restricted __le32
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer
>> drivers/bus/mhi/host/./trace.h:17:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le64
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le64 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le64 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le32
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: cast to restricted __le32
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:99:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le64
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le64 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le64 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le32
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: cast to restricted __le32
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer
drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: restricted __le32 degrades to integer
vim +17 drivers/bus/mhi/host/./trace.h
16
> 17 TRACE_EVENT(mhi_gen_tre,
18
19 TP_PROTO(const char *name, int ch_num, u64 wp, __le64 tre_ptr,
20 __le32 dword0, __le32 dword1),
21
22 TP_ARGS(name, ch_num, wp, tre_ptr, dword0, dword1),
23
24 TP_STRUCT__entry(
25 __string(name, name)
26 __field(int, ch_num)
27 __field(u64, wp)
28 __field(__le64, tre_ptr)
29 __field(__le32, dword0)
30 __field(__le32, dword1)
31 ),
32
33 TP_fast_assign(
34 __assign_str(name, name);
35 __entry->ch_num = ch_num;
36 __entry->wp = wp;
37 __entry->tre_ptr = tre_ptr;
38 __entry->dword0 = dword0;
39 __entry->dword1 = dword1;
40 ),
41
42 TP_printk("%s: Chan: %d WP: 0x%llx TRE: 0x%llx 0x%08x 0x%08x\n",
43 __get_str(name), __entry->ch_num, __entry->wp, __entry->tre_ptr,
44 __entry->dword0, __entry->dword1)
45 );
46
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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