* [tglx-devel:cleanups 2/38] arch/x86/include/asm/msr.h:296:26: error: call to undeclared function 'raw_cpu_ptr'; ISO C99 and later do not support implicit function declarations
@ 2026-04-10 22:25 kernel test robot
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From: kernel test robot @ 2026-04-10 22:25 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git cleanups
head: 4f7b68811bb6be347b794010429e839e7a23b9d8
commit: b6f1012e23f9638e6c66029fa3d515ddf1775a80 [2/38] x86: Cleanup include recursion hell
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260411/202604110619.kzZCa62Z-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260411/202604110619.kzZCa62Z-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/202604110619.kzZCa62Z-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from io_uring/io_uring.c:44:
In file included from include/linux/syscalls.h:84:
In file included from include/uapi/linux/aio_abi.h:31:
In file included from include/linux/fs.h:5:
In file included from include/linux/fs/super.h:5:
In file included from include/linux/fs/super_types.h:5:
In file included from include/linux/fs_dirent.h:5:
In file included from include/linux/stat.h:19:
In file included from include/linux/time.h:60:
In file included from include/linux/time32.h:13:
In file included from include/linux/timex.h:67:
In file included from arch/x86/include/asm/timex.h:6:
In file included from arch/x86/include/asm/tsc.h:11:
>> arch/x86/include/asm/msr.h:293:47: warning: declaration of 'struct cpumask' will not be visible outside of this function [-Wvisibility]
293 | static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
| ^
arch/x86/include/asm/msr.h:298:47: warning: declaration of 'struct cpumask' will not be visible outside of this function [-Wvisibility]
298 | static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
| ^
2 warnings generated.
--
In file included from arch/x86/events/probe.c:6:
>> arch/x86/include/asm/msr.h:293:47: warning: declaration of 'struct cpumask' will not be visible outside of this function [-Wvisibility]
293 | static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
| ^
>> arch/x86/include/asm/msr.h:296:26: error: call to undeclared function 'raw_cpu_ptr'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
296 | rdmsr_on_cpu(0, msr_no, raw_cpu_ptr(&msrs->l), raw_cpu_ptr(&msrs->h));
| ^
>> arch/x86/include/asm/msr.h:296:26: error: incompatible integer to pointer conversion passing 'int' to parameter of type 'u32 *' (aka 'unsigned int *') [-Wint-conversion]
296 | rdmsr_on_cpu(0, msr_no, raw_cpu_ptr(&msrs->l), raw_cpu_ptr(&msrs->h));
| ^~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/msr.h:273:67: note: passing argument to parameter 'l' here
273 | static inline int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
| ^
arch/x86/include/asm/msr.h:296:49: error: incompatible integer to pointer conversion passing 'int' to parameter of type 'u32 *' (aka 'unsigned int *') [-Wint-conversion]
296 | rdmsr_on_cpu(0, msr_no, raw_cpu_ptr(&msrs->l), raw_cpu_ptr(&msrs->h));
| ^~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/msr.h:273:75: note: passing argument to parameter 'h' here
273 | static inline int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
| ^
arch/x86/include/asm/msr.h:298:47: warning: declaration of 'struct cpumask' will not be visible outside of this function [-Wvisibility]
298 | static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
| ^
>> arch/x86/include/asm/msr.h:301:26: error: call to undeclared function 'raw_cpu_read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
301 | wrmsr_on_cpu(0, msr_no, raw_cpu_read(msrs->l), raw_cpu_read(msrs->h));
| ^
2 warnings and 4 errors generated.
vim +/raw_cpu_ptr +296 arch/x86/include/asm/msr.h
b6f1012e23f963 arch/x86/include/asm/msr.h Thomas Gleixner 2026-04-09 259
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 260 int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 261 int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
d7484babd2c4dc arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 262 int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
c895ecdab2e4de arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 263 int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 264 void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 265 void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 266 int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 267 int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
5e404cb7ac4c09 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 268 int rdmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q);
27a23a544a55b5 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 269 int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q);
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 270 int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 271 int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 272 #else /* CONFIG_SMP */
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 273 static inline int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 274 {
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 275 rdmsr(msr_no, *l, *h);
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 276 return 0;
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 277 }
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 278 static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 279 {
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 280 wrmsr(msr_no, l, h);
c6f31932d0a1d2 include/asm-x86/msr.h H. Peter Anvin 2008-08-25 281 return 0;
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 282 }
d7484babd2c4dc arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 283 static inline int rdmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 284 {
c435e608cf59ff arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 285 rdmsrq(msr_no, *q);
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 286 return 0;
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 287 }
c895ecdab2e4de arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 288 static inline int wrmsrq_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 289 {
78255eb2397332 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 290 wrmsrq(msr_no, q);
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 291 return 0;
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 292 }
0d0fbbddcc27c0 arch/x86/include/asm/msr.h Rusty Russell 2009-11-05 @293 static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 294 struct msr __percpu *msrs)
b034c19f9f61c8 arch/x86/include/asm/msr.h Borislav Petkov 2009-05-22 295 {
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 @296 rdmsr_on_cpu(0, msr_no, raw_cpu_ptr(&msrs->l), raw_cpu_ptr(&msrs->h));
b034c19f9f61c8 arch/x86/include/asm/msr.h Borislav Petkov 2009-05-22 297 }
0d0fbbddcc27c0 arch/x86/include/asm/msr.h Rusty Russell 2009-11-05 298 static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 299 struct msr __percpu *msrs)
b034c19f9f61c8 arch/x86/include/asm/msr.h Borislav Petkov 2009-05-22 300 {
5323922f50ecdf arch/x86/include/asm/msr.h Thomas Gleixner 2024-03-04 @301 wrmsr_on_cpu(0, msr_no, raw_cpu_read(msrs->l), raw_cpu_read(msrs->h));
b034c19f9f61c8 arch/x86/include/asm/msr.h Borislav Petkov 2009-05-22 302 }
abb0ade013507c include/asm-x86/msr.h Joe Perches 2008-03-23 303 static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no,
abb0ade013507c include/asm-x86/msr.h Joe Perches 2008-03-23 304 u32 *l, u32 *h)
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 305 {
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 306 return rdmsr_safe(msr_no, l, h);
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 307 }
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 308 static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 309 {
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 310 return wrmsr_safe(msr_no, l, h);
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 311 }
5e404cb7ac4c09 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 312 static inline int rdmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 *q)
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 313 {
6fe22abacd40e2 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 314 return rdmsrq_safe(msr_no, q);
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 315 }
27a23a544a55b5 arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 316 static inline int wrmsrq_safe_on_cpu(unsigned int cpu, u32 msr_no, u64 q)
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 317 {
6fa17efe45440f arch/x86/include/asm/msr.h Ingo Molnar 2025-04-09 318 return wrmsrq_safe(msr_no, q);
1a6b991a9875a4 arch/x86/include/asm/msr.h Jacob Pan 2013-10-11 319 }
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 320 static inline int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 321 {
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 322 return rdmsr_safe_regs(regs);
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 323 }
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 324 static inline int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8])
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 325 {
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 326 return wrmsr_safe_regs(regs);
8b956bf1f0f2b5 arch/x86/include/asm/msr.h H. Peter Anvin 2009-08-31 327 }
be7baf80a69964 include/asm-x86/msr.h Thomas Gleixner 2007-10-23 328 #endif /* CONFIG_SMP */
a5447e92e169da arch/x86/include/asm/msr.h Ingo Molnar 2025-04-13 329
:::::: The code at line 296 was first introduced by commit
:::::: 5323922f50ecdf9d10cdd2fabd06507e5b4f3feb x86/msr: Add missing __percpu annotations
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
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2026-04-10 22:25 [tglx-devel:cleanups 2/38] arch/x86/include/asm/msr.h:296:26: error: call to undeclared function 'raw_cpu_ptr'; ISO C99 and later do not support implicit function declarations kernel test robot
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