| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202508231353.SNg0KuDi-lkp@intel.com>
Date: Sat, 23 Aug 2025 13:36:02 +0800
From: kernel test robot <lkp@...el.com>
To: John Ousterhout <ouster@...stanford.edu>, netdev@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, pabeni@...hat.com,
edumazet@...gle.com, horms@...nel.org, kuba@...nel.org,
John Ousterhout <ouster@...stanford.edu>
Subject: Re: [PATCH net-next v15 15/15] net: homa: create Makefile and Kconfig
Hi John,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/John-Ousterhout/net-homa-define-user-visible-API-for-Homa/20250819-050052
base: net-next/main
patch link: https://lore.kernel.org/r/20250818205551.2082-16-ouster%40cs.stanford.edu
patch subject: [PATCH net-next v15 15/15] net: homa: create Makefile and Kconfig
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250823/202508231353.SNg0KuDi-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250823/202508231353.SNg0KuDi-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/202508231353.SNg0KuDi-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from net/homa/homa_incoming.c:5:
In file included from net/homa/homa_impl.h:13:
In file included from include/linux/icmp.h:16:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
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/um/include/asm/io.h:24:
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;
| ~~~~~~~~~~ ^
In file included from net/homa/homa_incoming.c:5:
In file included from net/homa/homa_impl.h:33:
>> arch/x86/include/asm/tsc.h:70:28: error: typedef redefinition with different types ('unsigned long long' vs 'unsigned long')
70 | typedef unsigned long long cycles_t;
| ^
include/asm-generic/timex.h:8:23: note: previous definition is here
8 | typedef unsigned long cycles_t;
| ^
In file included from net/homa/homa_incoming.c:5:
In file included from net/homa/homa_impl.h:33:
>> arch/x86/include/asm/tsc.h:77:24: error: redefinition of 'get_cycles'
77 | static inline cycles_t get_cycles(void)
| ^
include/asm-generic/timex.h:10:24: note: previous definition is here
10 | static inline cycles_t get_cycles(void)
| ^
In file included from net/homa/homa_incoming.c:5:
In file included from net/homa/homa_impl.h:33:
>> arch/x86/include/asm/tsc.h:80:7: error: call to undeclared function 'DISABLED_MASK_BIT_SET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
80 | !cpu_feature_enabled(X86_FEATURE_TSC))
| ^
arch/um/include/asm/cpufeature.h:52:32: note: expanded from macro 'cpu_feature_enabled'
52 | (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit))
| ^
1 warning and 3 errors generated.
vim +70 arch/x86/include/asm/tsc.h
288a4ff0ad29d1 arch/x86/include/asm/tsc.h Xin Li (Intel 2025-05-02 66)
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 67 /*
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 68 * Standard way to access the cycle counter.
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 69 */
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 @70 typedef unsigned long long cycles_t;
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 71
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 72 extern unsigned int cpu_khz;
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 73 extern unsigned int tsc_khz;
73018a66e70fa6 include/asm-x86/tsc.h Glauber de Oliveira Costa 2008-01-30 74
73018a66e70fa6 include/asm-x86/tsc.h Glauber de Oliveira Costa 2008-01-30 75 extern void disable_TSC(void);
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 76
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 @77 static inline cycles_t get_cycles(void)
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 78 {
3bd4abc07a267e arch/x86/include/asm/tsc.h Jason A. Donenfeld 2022-04-08 79 if (!IS_ENABLED(CONFIG_X86_TSC) &&
3bd4abc07a267e arch/x86/include/asm/tsc.h Jason A. Donenfeld 2022-04-08 @80 !cpu_feature_enabled(X86_FEATURE_TSC))
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 81 return 0;
4ea1636b04dbd6 arch/x86/include/asm/tsc.h Andy Lutomirski 2015-06-25 82 return rdtsc();
6d63de8dbcda98 include/asm-x86/tsc.h Andi Kleen 2008-01-30 83 }
3bd4abc07a267e arch/x86/include/asm/tsc.h Jason A. Donenfeld 2022-04-08 84 #define get_cycles get_cycles
2272b0e03ea573 include/asm-i386/tsc.h Andres Salomon 2007-03-06 85
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists