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Date: Sun, 12 Nov 2023 02:18:58 +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: i386-randconfig-062-20231111 (https://download.01.org/0day-ci/archive/20231112/202311120247.SeMDyRT6-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231112/202311120247.SeMDyRT6-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/202311120247.SeMDyRT6-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
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:123:1: sparse: sparse: non size-preserving pointer to integer cast
drivers/bus/mhi/host/init.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, drivers/bus/mhi/host/trace.h):
>> drivers/bus/mhi/host/./trace.h:123:1: sparse: sparse: non size-preserving pointer to integer cast
vim +123 drivers/bus/mhi/host/./trace.h
122
> 123 TRACE_EVENT(mhi_process_ctrl_ev_ring,
124
125 TP_PROTO(const char *name, struct mhi_ring_element *rp, __le64 ptr,
126 __le32 dword0, __le32 dword1),
127
128 TP_ARGS(name, rp, ptr, dword0, dword1),
129
130 TP_STRUCT__entry(
131 __field(u64, rp)
132 __field(__le64, ptr)
133 __string(name, name)
134 __field(__le32, dword0)
135 __field(__le32, dword1)
136 __field(int, state)
137 ),
138
139 TP_fast_assign(
140 __assign_str(name, name);
141 __entry->rp = (u64)rp;
142 __entry->ptr = ptr;
143 __entry->dword0 = dword0;
144 __entry->dword1 = dword1;
145 __entry->state = MHI_TRE_GET_EV_STATE(rp);
146 ),
147
148 TP_printk("%s: RP:0x%llx Processing Event:0x%llx 0x%08x 0x%08x state:%s\n",
149 __get_str(name), __entry->rp, __entry->ptr, __entry->dword0,
150 __entry->dword1, mhi_state_str(__entry->state))
151 );
152
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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