Re: kernel/trace/rv/monitors/sleep/sleep.c:130:7: error: use of undeclared identifier '__NR_clock_nanosleep'
From: Palmer Dabbelt
Date: Mon Aug 18 2025 - 13:57:16 EST
On Mon, 18 Aug 2025 00:42:20 PDT (-0700), gmonaco@xxxxxxxxxx wrote:
On Sat, 2025-08-16 at 02:37 +0800, kernel test robot wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ma
ster
head: ee94b00c1a648530333d9734200be7a45e6e00cd
commit: f74f8bb246cf22f27752977da62079cb615f55b2 rv: Add rtapp_sleep
monitor
date: 5 weeks ago
config: riscv-randconfig-001-20250816
(https://download.01.org/0day-ci/archive/20250816/202508160204.SsFyNf
o6-lkp@xxxxxxxxx/config)
compiler: clang version 22.0.0git
(https://github.com/llvm/llvm-project 93d24b6b7b148c47a2fa228a4ef3152
4fa1d9f3f)
reproduce (this is a W=1 build):
(https://download.01.org/0day-ci/archive/20250816/202508160204.SsFyNf
o6-lkp@xxxxxxxxx/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@xxxxxxxxx>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/202508160204.SsFyNfo6-lkp@xxxxxxxxx/
Palmer, this issue is what you fix in
https://lore.kernel.org/lkml/20250804194518.97620-2-palmer@xxxxxxxxxxx/
, right?
Yes.
All errors (new ones prefixed by >>):
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:804:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
804 | insb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:104:53: note: expanded from macro
'insb'
104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:812:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
812 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro
'insw'
105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:820:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
820 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro
'insl'
106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:829:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
829 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro
'outsb'
118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:838:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
838 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro
'outsw'
119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:847:2: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
847 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro
'outsl'
120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE +
(addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from kernel/trace/rv/monitors/sleep/sleep.c:2:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from
./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1175:55: warning: performing pointer
arithmetic on a null pointer has undefined behavior [-Wnull-pointer-
arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL :
PCI_IOBASE + port;
|
~~~~~~~~~~ ^
> > kernel/trace/rv/monitors/sleep/sleep.c:130:7: error: use of
> > undeclared identifier '__NR_clock_nanosleep'
130 | case __NR_clock_nanosleep:
| ^~~~~~~~~~~~~~~~~~~~
> > kernel/trace/rv/monitors/sleep/sleep.c:141:7: error: use of
> > undeclared identifier '__NR_futex'
141 | case __NR_futex:
| ^~~~~~~~~~
7 warnings and 2 errors generated.
vim +/__NR_clock_nanosleep +130
kernel/trace/rv/monitors/sleep/sleep.c
120
121 static void handle_sys_enter(void *data, struct pt_regs
*regs, long id)
122 {
123 struct ltl_monitor *mon;
124 unsigned long args[6];
125 int op, cmd;
126
127 mon = ltl_get_monitor(current);
128
129 switch (id) {
> 130 case __NR_clock_nanosleep:
131 #ifdef __NR_clock_nanosleep_time64
132 case __NR_clock_nanosleep_time64:
133 #endif
134 syscall_get_arguments(current, regs, args);
135 ltl_atom_set(mon,
LTL_NANOSLEEP_CLOCK_MONOTONIC, args[0] == CLOCK_MONOTONIC);
136 ltl_atom_set(mon, LTL_NANOSLEEP_CLOCK_TAI,
args[0] == CLOCK_TAI);
137 ltl_atom_set(mon,
LTL_NANOSLEEP_TIMER_ABSTIME, args[1] == TIMER_ABSTIME);
138 ltl_atom_update(current,
LTL_CLOCK_NANOSLEEP, true);
139 break;
140
> 141 case __NR_futex:
142 #ifdef __NR_futex_time64
143 case __NR_futex_time64:
144 #endif
145 syscall_get_arguments(current, regs, args);
146 op = args[1];
147 cmd = op & FUTEX_CMD_MASK;
148
149 switch (cmd) {
150 case FUTEX_LOCK_PI:
151 case FUTEX_LOCK_PI2:
152 ltl_atom_update(current,
LTL_FUTEX_LOCK_PI, true);
153 break;
154 case FUTEX_WAIT:
155 case FUTEX_WAIT_BITSET:
156 case FUTEX_WAIT_REQUEUE_PI:
157 ltl_atom_update(current,
LTL_FUTEX_WAIT, true);
158 break;
159 }
160 break;
161 }
162 }
163