[peterz-queue:locking/core 17/21] arch/x86/include/asm/cpufeatures.h:228:68: error: "/*" within comment
kernel test robot <[email protected]> Wed, 05 Aug 2026 09:22:30 +0800
| Newsgroups | dev.linux.lists.oe-kbuild-all |
|---|---|
| Message-ID | <[email protected]> |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core head: 098a858bcdad1b6327e23274626c9fb36c5932fc commit: 6cbc4e025e8c31cdc861ad9f2f53dc0eb290d586 [17/21] x86/paravirt: Use static_call() for the paravirt spinlock ops config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20260805/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All error/warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/log2.h:12, from kernel/bounds.c:14: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from lib/test_bitops.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: error: "/*" within comment [-Werror=comment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ cc1: all warnings being treated as errors -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/a3d.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/a3d.c: In function 'a3d_connect': drivers/input/joystick/a3d.c:287:51: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 287 | snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys); | ^~~~~~~ drivers/input/joystick/a3d.c:287:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 287 | snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/delay.h:12, from drivers/input/joystick/adi.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/adi.c: In function 'adi_init_input': drivers/input/joystick/adi.c:395:60: warning: '%s' directive output may be truncated writing up to 63 bytes into a region of size 55 [-Wformat-truncation=] 395 | snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname); | ^~ ~~~ drivers/input/joystick/adi.c:395:9: note: 'snprintf' output between 13 and 91 bytes into a destination of size 64 395 | snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/delay.h:12, from drivers/input/joystick/analog.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/analog.c: In function 'analog_init_device': drivers/input/joystick/analog.c:371:21: warning: '/input' directive output may be truncated writing 6 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 371 | "%s/input%d", port->gameport->phys, index); | ^~~~~~ drivers/input/joystick/analog.c:371:18: note: directive argument in the range [0, 1] 371 | "%s/input%d", port->gameport->phys, index); | ^~~~~~~~~~~~ drivers/input/joystick/analog.c:370:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 370 | snprintf(analog->phys, sizeof(analog->phys), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 371 | "%s/input%d", port->gameport->phys, index); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/cobra.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/cobra.c: In function 'cobra_connect': drivers/input/joystick/cobra.c:184:29: warning: '/input' directive output may be truncated writing 6 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 184 | "%s/input%d", gameport->phys, i); | ^~~~~~ drivers/input/joystick/cobra.c:184:26: note: directive argument in the range [0, 1] 184 | "%s/input%d", gameport->phys, i); | ^~~~~~~~~~~~ drivers/input/joystick/cobra.c:183:17: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 183 | snprintf(cobra->phys[i], sizeof(cobra->phys[i]), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 184 | "%s/input%d", gameport->phys, i); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/log2.h:12, from arch/x86/include/asm/div64.h:8, from include/linux/math.h:6, from include/linux/delay.h:12, from drivers/input/joystick/gf2k.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/gf2k.c: In function 'gf2k_connect': drivers/input/joystick/gf2k.c:281:53: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 281 | snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys); | ^~~~~~~ drivers/input/joystick/gf2k.c:281:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 281 | snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/grip.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/grip.c: In function 'grip_connect': drivers/input/joystick/grip.c:337:29: warning: '/input' directive output may be truncated writing 6 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 337 | "%s/input%d", gameport->phys, i); | ^~~~~~ drivers/input/joystick/grip.c:337:26: note: directive argument in the range [0, 1] 337 | "%s/input%d", gameport->phys, i); | ^~~~~~~~~~~~ drivers/input/joystick/grip.c:336:17: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 336 | snprintf(grip->phys[i], sizeof(grip->phys[i]), | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 337 | "%s/input%d", gameport->phys, i); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/guillemot.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/guillemot.c: In function 'guillemot_connect': drivers/input/joystick/guillemot.c:203:63: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 203 | snprintf(guillemot->phys, sizeof(guillemot->phys), "%s/input0", gameport->phys); | ^~~~~~~ drivers/input/joystick/guillemot.c:203:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 203 | snprintf(guillemot->phys, sizeof(guillemot->phys), "%s/input0", gameport->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/interact.c:13: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/interact.c: In function 'interact_connect': drivers/input/joystick/interact.c:232:61: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 232 | snprintf(interact->phys, sizeof(interact->phys), "%s/input0", gameport->phys); | ^~~~~~~ drivers/input/joystick/interact.c:232:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 232 | snprintf(interact->phys, sizeof(interact->phys), "%s/input0", gameport->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/arch_hweight.h:5, from arch/x86/include/asm/bitops.h:419, from include/linux/bitops.h:67, from include/linux/kernel.h:23, from drivers/input/joystick/magellan.c:10: >> arch/x86/include/asm/cpufeatures.h:228:68: warning: "/*" within comment [-Wcomment] 228 | /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ drivers/input/joystick/magellan.c: In function 'magellan_connect': drivers/input/joystick/magellan.c:141:61: warning: '/input0' directive output may be truncated writing 7 bytes into a region of size between 1 and 32 [-Wformat-truncation=] 141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys); | ^~~~~~~ drivers/input/joystick/magellan.c:141:9: note: 'snprintf' output between 8 and 39 bytes into a destination of size 32 141 | snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. vim +228 arch/x86/include/asm/cpufeatures.h 222 223 #define X86_FEATURE_VMMCALL ( 8*32+15) /* "vmmcall" Prefer VMMCALL to VMCALL */ 224 #define X86_FEATURE_XENPV ( 8*32+16) /* Xen paravirtual guest */ 225 #define X86_FEATURE_EPT_AD ( 8*32+17) /* "ept_ad" Intel Extended Page Table access-dirty bit */ 226 #define X86_FEATURE_VMCALL ( 8*32+18) /* Hypervisor supports the VMCALL instruction */ 227 #define X86_FEATURE_VMW_VMMCALL ( 8*32+19) /* VMware prefers VMMCALL hypercall instruction */ > 228 /* free: was #define X86_FEATURE_PVUNLOCK ( 8*32+20) /* PV unlock function */ 229 #define X86_FEATURE_VCPUPREEMPT ( 8*32+21) /* PV vcpu_is_preempted function */ 230 #define X86_FEATURE_TDX_GUEST ( 8*32+22) /* "tdx_guest" Intel Trust Domain Extensions Guest */ 231 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki