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From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH 2/2] sched/uclamp: Protect uclamp fast path code with static key
Date: Fri, 19 Jun 2020 08:09:57 +0800	[thread overview]
Message-ID: <202006190819.tWlejAzE%lkp@intel.com> (raw)
In-Reply-To: <20200618195525.7889-3-qais.yousef@arm.com>

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Hi Qais,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/sched/core]
[also build test WARNING on tip/auto-latest linux/master linus/master v5.8-rc1 next-20200618]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Qais-Yousef/sched-Optionally-skip-uclamp-logic-in-fast-path/20200619-035800
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 87e867b4269f29dac8190bca13912d08163a277f
config: x86_64-randconfig-s031-20200618 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-rc1-10-gc17b1b06-dirty
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

   kernel/sched/core.c:514:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:514:38: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:514:38: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:569:9: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *[assigned] sd @@     got struct sched_domain [noderef] <asn:4> *parent @@
   kernel/sched/core.c:569:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/core.c:569:9: sparse:     got struct sched_domain [noderef] <asn:4> *parent
>> kernel/sched/core.c:816:1: sparse: sparse: symbol 'sched_uclamp_unused' was not declared. Should it be static?
   kernel/sched/core.c:1486:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:1486:33: sparse:     expected struct task_struct *p
   kernel/sched/core.c:1486:33: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:1486:68: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:1486:68: sparse:     expected struct task_struct *tsk
   kernel/sched/core.c:1486:68: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:2230:17: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *[assigned] sd @@     got struct sched_domain [noderef] <asn:4> *parent @@
   kernel/sched/core.c:2230:17: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/core.c:2230:17: sparse:     got struct sched_domain [noderef] <asn:4> *parent
   kernel/sched/core.c:2396:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct const *p @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:2396:36: sparse:     expected struct task_struct const *p
   kernel/sched/core.c:2396:36: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:3704:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:3704:38: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:3704:38: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:3789:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:3789:14: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:3789:14: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:4137:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *prev @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:4137:14: sparse:     expected struct task_struct *prev
   kernel/sched/core.c:4137:14: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:4560:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/core.c:4560:17: sparse:    struct task_struct *
   kernel/sched/core.c:4560:17: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/core.c:4759:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/core.c:4759:22: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/core.c:4759:22: sparse:    struct task_struct *
   kernel/sched/core.c:8068:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/core.c:8068:25: sparse:     expected struct task_struct *p
   kernel/sched/core.c:8068:25: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/pelt.h:85:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct const *p @@     got struct task_struct [noderef] <asn:4> *curr @@
   kernel/sched/pelt.h:85:13: sparse:     expected struct task_struct const *p
   kernel/sched/pelt.h:85:13: sparse:     got struct task_struct [noderef] <asn:4> *curr
   kernel/sched/core.c:1469:33: sparse: sparse: dereference of noderef expression
   kernel/sched/core.c:1470:19: sparse: sparse: dereference of noderef expression
   kernel/sched/core.c:1473:40: sparse: sparse: dereference of noderef expression
   kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct *
   kernel/sched/core.c:1442:38: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/core.c:1442:38: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/core.c:1442:38: sparse:    struct task_struct const *
   kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1672:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1672:25: sparse:    struct task_struct *
   kernel/sched/sched.h:1818:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1818:9: sparse:    struct task_struct *
   kernel/sched/sched.h:1824:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct [noderef] <asn:4> *
   kernel/sched/sched.h:1824:9: sparse:    struct task_struct *

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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  reply	other threads:[~2020-06-19  0:09 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18 19:55 [PATCH 0/2] sched: Optionally skip uclamp logic in fast path Qais Yousef
2020-06-18 19:55 ` [PATCH 1/2] sched/uclamp: Fix initialization of strut uclamp_rq Qais Yousef
2020-06-19 10:36   ` Valentin Schneider
2020-06-19 17:30   ` Peter Zijlstra
2020-06-19 17:39     ` Qais Yousef
2020-06-19 18:13       ` Peter Zijlstra
2020-06-19 18:42         ` Qais Yousef
2020-06-22 10:30           ` Qais Yousef
2020-06-18 19:55 ` [PATCH 2/2] sched/uclamp: Protect uclamp fast path code with static key Qais Yousef
2020-06-19  0:09   ` kernel test robot [this message]
2020-06-19  0:09   ` [RFC PATCH] sched/uclamp: sched_uclamp_unused can be static kernel test robot
2020-06-19 10:36   ` [PATCH 2/2] sched/uclamp: Protect uclamp fast path code with static key Valentin Schneider
2020-06-19 11:57     ` Mel Gorman
2020-06-19 12:17       ` Valentin Schneider
2020-06-19 12:55       ` Qais Yousef
2020-06-19 14:51       ` Qais Yousef
2020-06-19 12:51     ` Qais Yousef
2020-06-19 13:23       ` Steven Rostedt
2020-06-19 13:25       ` Valentin Schneider
2020-06-19 14:13         ` Qais Yousef
2020-06-19 15:17           ` Valentin Schneider
2020-06-19 17:25             ` Qais Yousef
2020-06-19 18:52               ` Valentin Schneider
2020-06-19 19:47         ` Peter Zijlstra
2020-06-19 10:39   ` Valentin Schneider
2020-06-19 17:45   ` Peter Zijlstra
2020-06-19 17:53     ` Qais Yousef
2020-06-22  9:06 ` [PATCH 0/2] sched: Optionally skip uclamp logic in fast path Lukasz Luba

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