| 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: <202201270632.OV8jDPXB-lkp@intel.com>
Date: Thu, 27 Jan 2022 06:47:18 +0800
From: kernel test robot <lkp@...el.com>
To: Qais Yousef <qais.yousef@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>
Subject: [peterz-queue:sched/core 5/8] kernel/sched/sched.h:3006:25: warning:
incompatible pointer to integer conversion passing 'struct rq *' to
parameter of type 'int'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head: dbaafd0f1651b35e07c20e33f8c3f133fc65705e
commit: 6dd3d475cf576edd705885c66b6f1d638a6818f4 [5/8] sched/sugov: Ignore 'busy' filter when rq is capped by uclamp_max
config: x86_64-randconfig-a003 (https://download.01.org/0day-ci/archive/20220127/202201270632.OV8jDPXB-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2a1b7aa016c0f4b5598806205bdfbab1ea2d92c4)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=6dd3d475cf576edd705885c66b6f1d638a6818f4
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core
git checkout 6dd3d475cf576edd705885c66b6f1d638a6818f4
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from kernel/sched/core.c:13:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
^~
kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
static inline unsigned long cpu_util_cfs(int cpu)
^
kernel/sched/core.c:3454:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes]
void sched_set_stop_task(int cpu, struct task_struct *stop)
^
kernel/sched/core.c:3454:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sched_set_stop_task(int cpu, struct task_struct *stop)
^
static
kernel/sched/core.c:1672:1: warning: unused function 'uclamp_update_active' [-Wunused-function]
uclamp_update_active(struct task_struct *p)
^
3 warnings generated.
--
In file included from kernel/sched/loadavg.c:9:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
^~
kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
static inline unsigned long cpu_util_cfs(int cpu)
^
1 warning generated.
--
In file included from kernel/sched/fair.c:23:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
^~
kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
static inline unsigned long cpu_util_cfs(int cpu)
^
kernel/sched/fair.c:8405:19: warning: unused function 'check_misfit_status' [-Wunused-function]
static inline int check_misfit_status(struct rq *rq, struct sched_domain *sd)
^
2 warnings generated.
--
In file included from kernel/sched/rt.c:6:
>> kernel/sched/sched.h:3006:25: warning: incompatible pointer to integer conversion passing 'struct rq *' to parameter of type 'int' [-Wint-conversion]
rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
^~
kernel/sched/sched.h:2919:46: note: passing argument to parameter 'cpu' here
static inline unsigned long cpu_util_cfs(int cpu)
^
kernel/sched/rt.c:680:6: warning: no previous prototype for function 'sched_rt_bandwidth_account' [-Wmissing-prototypes]
bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
^
kernel/sched/rt.c:680:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)
^
static
2 warnings generated.
vim +3006 kernel/sched/sched.h
2996
2997 /* Is the rq being capped/throttled by uclamp_max? */
2998 static inline bool uclamp_rq_is_capped(struct rq *rq)
2999 {
3000 unsigned long rq_util;
3001 unsigned long max_util;
3002
3003 if (!static_branch_likely(&sched_uclamp_used))
3004 return false;
3005
> 3006 rq_util = cpu_util_cfs(rq) + cpu_util_rt(rq);
3007 max_util = READ_ONCE(rq->uclamp[UCLAMP_MAX].value);
3008
3009 return max_util != SCHED_CAPACITY_SCALE && rq_util >= max_util;
3010 }
3011
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Powered by blists - more mailing lists