* [linux-next:master 11348/11963] drivers/perf/starfive_starlink_pmu.c:169:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations
@ 2024-03-05 9:23 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-03-05 9:23 UTC (permalink / raw)
To: Ji Sheng Teoh
Cc: llvm, oe-kbuild-all, Linux Memory Management List, Will Deacon
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 11afac187274a6177a7ac82997f8691c0f469e41
commit: c2b24812f7bc5fbd6f2f92af070856fbe4c37b40 [11348/11963] perf: starfive: Add StarLink PMU support
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240305/202403051732.LuCJfZAh-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240305/202403051732.LuCJfZAh-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403051732.LuCJfZAh-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/perf/starfive_starlink_pmu.c:16:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/perf/starfive_starlink_pmu.c:16:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/perf/starfive_starlink_pmu.c:16:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/perf/starfive_starlink_pmu.c:21:
In file included from include/linux/perf_event.h:18:
In file included from include/uapi/linux/bpf_perf_event.h:11:
In file included from ./arch/hexagon/include/generated/uapi/asm/bpf_perf_event.h:1:
In file included from include/uapi/asm-generic/bpf_perf_event.h:4:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
In file included from include/linux/mm.h:2188:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/perf/starfive_starlink_pmu.c:169:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
169 | writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_CYCLE_COUNTER);
| ^
>> drivers/perf/starfive_starlink_pmu.c:191:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
191 | val = readq(starlink_pmu->pmu_base + STARLINK_PMU_INTERRUPT_ENABLE);
| ^
drivers/perf/starfive_starlink_pmu.c:200:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
200 | writeq(event->hw.config, starlink_pmu->pmu_base +
| ^
drivers/perf/starfive_starlink_pmu.c:206:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
206 | writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_INTERRUPT_ENABLE);
| ^
drivers/perf/starfive_starlink_pmu.c:219:8: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
219 | val = readq(starlink_pmu->pmu_base + STARLINK_PMU_CONTROL);
| ^
drivers/perf/starfive_starlink_pmu.c:221:2: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
221 | writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_CONTROL);
| ^
drivers/perf/starfive_starlink_pmu.c:244:20: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
244 | new_raw_count = readq(starlink_pmu->pmu_base +
| ^
drivers/perf/starfive_starlink_pmu.c:412:21: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
412 | overflow_status = readq(starlink_pmu->pmu_base +
| ^
drivers/perf/starfive_starlink_pmu.c:417:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
417 | writeq(BIT_ULL(idx), starlink_pmu->pmu_base +
| ^
7 warnings and 9 errors generated.
vim +/writeq +169 drivers/perf/starfive_starlink_pmu.c
154
155 static void starlink_pmu_set_event_period(struct perf_event *event)
156 {
157 struct starlink_pmu *starlink_pmu = to_starlink_pmu(event->pmu);
158 struct hw_perf_event *hwc = &event->hw;
159 int idx = event->hw.idx;
160
161 /*
162 * Program counter to half of it's max count to handle
163 * cases of extreme interrupt latency.
164 */
165 u64 val = STARLINK_PMU_COUNTER_MASK >> 1;
166
167 local64_set(&hwc->prev_count, val);
168 if (hwc->config == STARLINK_CYCLES)
> 169 writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_CYCLE_COUNTER);
170 else
171 writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_EVENT_COUNTER +
172 idx * sizeof(u64));
173 }
174
175 static void starlink_pmu_counter_start(struct perf_event *event,
176 struct starlink_pmu *starlink_pmu)
177 {
178 struct hw_perf_event *hwc = &event->hw;
179 int idx = event->hw.idx;
180 u64 val;
181
182 /*
183 * Enable counter overflow interrupt[63:0],
184 * which is mapped as follow:
185 *
186 * event counter 0 - Bit [0]
187 * event counter 1 - Bit [1]
188 * ...
189 * cycle counter - Bit [63]
190 */
> 191 val = readq(starlink_pmu->pmu_base + STARLINK_PMU_INTERRUPT_ENABLE);
192
193 if (hwc->config == STARLINK_CYCLES) {
194 /*
195 * Cycle count has its dedicated register, and it starts
196 * counting as soon as STARLINK_PMU_GLOBAL_ENABLE is set.
197 */
198 val |= STARLINK_PMU_CYCLE_OVERFLOW_MASK;
199 } else {
200 writeq(event->hw.config, starlink_pmu->pmu_base +
201 STARLINK_PMU_EVENT_SELECT + idx * sizeof(u64));
202
203 val |= BIT_ULL(idx);
204 }
205
206 writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_INTERRUPT_ENABLE);
207
208 writeq(STARLINK_PMU_GLOBAL_ENABLE, starlink_pmu->pmu_base +
209 STARLINK_PMU_CONTROL);
210 }
211
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2024-03-05 9:24 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-03-05 9:23 [linux-next:master 11348/11963] drivers/perf/starfive_starlink_pmu.c:169:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations kernel test robot
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox