From: "Paul E. McKenney" <paulmck@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: Re: [rcu:dev.2021.08.25a 99/115] kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug'
Date: Thu, 2 Sep 2021 15:11:25 -0700 [thread overview]
Message-ID: <20210902221125.GQ4156@paulmck-ThinkPad-P17-Gen-1> (raw)
In-Reply-To: <202109030640.6NuTjfs6-lkp@intel.com>
On Fri, Sep 03, 2021 at 06:01:47AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.08.25a
> head: 2ba1d046d9bc5b4496027d120e3ddcdfbb2fe9f4
> commit: b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf [99/115] EXP cpu: Print out last hrtimer handler
This is a debug-only commit, and will not go to mainline. Plus I am
getting rid of it soon. (Famous last words...)
Thanx, Paul
> config: i386-tinyconfig (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf
> git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> git fetch --no-tags rcu dev.2021.08.25a
> git checkout b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf
> # save the attached .config to linux build tree
> make W=1 ARCH=i386
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> kernel/time/hrtimer.c:120:21: warning: initialized field overwritten [-Woverride-init]
> 120 | [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME,
> | ^~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:120:21: note: (near initialization for 'hrtimer_clock_to_base_table[0]')
> kernel/time/hrtimer.c:121:22: warning: initialized field overwritten [-Woverride-init]
> 121 | [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC,
> | ^~~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:121:22: note: (near initialization for 'hrtimer_clock_to_base_table[1]')
> kernel/time/hrtimer.c:122:21: warning: initialized field overwritten [-Woverride-init]
> 122 | [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME,
> | ^~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:122:21: note: (near initialization for 'hrtimer_clock_to_base_table[7]')
> kernel/time/hrtimer.c:123:17: warning: initialized field overwritten [-Woverride-init]
> 123 | [CLOCK_TAI] = HRTIMER_BASE_TAI,
> | ^~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:123:17: note: (near initialization for 'hrtimer_clock_to_base_table[11]')
> >> kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug' [-Wmissing-prototypes]
> 1478 | void *__run_hrtimer_get_debug(int cpu)
> | ^~~~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c: In function '__run_hrtimer':
> kernel/time/hrtimer.c:1507:7: warning: variable 'expires_in_hardirq' set but not used [-Wunused-but-set-variable]
> 1507 | bool expires_in_hardirq;
> | ^~~~~~~~~~~~~~~~~~
>
>
> vim +/__run_hrtimer_get_debug +1478 kernel/time/hrtimer.c
>
> 1477
> > 1478 void *__run_hrtimer_get_debug(int cpu)
> 1479 {
> 1480 return READ_ONCE(per_cpu(__run_hrtimer_fn, cpu));
> 1481 }
> 1482
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
WARNING: multiple messages have this Message-ID (diff)
From: Paul E. McKenney <paulmck@kernel.org>
To: kbuild-all@lists.01.org
Subject: Re: [rcu:dev.2021.08.25a 99/115] kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug'
Date: Thu, 02 Sep 2021 15:11:25 -0700 [thread overview]
Message-ID: <20210902221125.GQ4156@paulmck-ThinkPad-P17-Gen-1> (raw)
In-Reply-To: <202109030640.6NuTjfs6-lkp@intel.com>
[-- Attachment #1: Type: text/plain, Size: 3250 bytes --]
On Fri, Sep 03, 2021 at 06:01:47AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.08.25a
> head: 2ba1d046d9bc5b4496027d120e3ddcdfbb2fe9f4
> commit: b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf [99/115] EXP cpu: Print out last hrtimer handler
This is a debug-only commit, and will not go to mainline. Plus I am
getting rid of it soon. (Famous last words...)
Thanx, Paul
> config: i386-tinyconfig (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf
> git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> git fetch --no-tags rcu dev.2021.08.25a
> git checkout b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf
> # save the attached .config to linux build tree
> make W=1 ARCH=i386
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> kernel/time/hrtimer.c:120:21: warning: initialized field overwritten [-Woverride-init]
> 120 | [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME,
> | ^~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:120:21: note: (near initialization for 'hrtimer_clock_to_base_table[0]')
> kernel/time/hrtimer.c:121:22: warning: initialized field overwritten [-Woverride-init]
> 121 | [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC,
> | ^~~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:121:22: note: (near initialization for 'hrtimer_clock_to_base_table[1]')
> kernel/time/hrtimer.c:122:21: warning: initialized field overwritten [-Woverride-init]
> 122 | [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME,
> | ^~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:122:21: note: (near initialization for 'hrtimer_clock_to_base_table[7]')
> kernel/time/hrtimer.c:123:17: warning: initialized field overwritten [-Woverride-init]
> 123 | [CLOCK_TAI] = HRTIMER_BASE_TAI,
> | ^~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c:123:17: note: (near initialization for 'hrtimer_clock_to_base_table[11]')
> >> kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug' [-Wmissing-prototypes]
> 1478 | void *__run_hrtimer_get_debug(int cpu)
> | ^~~~~~~~~~~~~~~~~~~~~~~
> kernel/time/hrtimer.c: In function '__run_hrtimer':
> kernel/time/hrtimer.c:1507:7: warning: variable 'expires_in_hardirq' set but not used [-Wunused-but-set-variable]
> 1507 | bool expires_in_hardirq;
> | ^~~~~~~~~~~~~~~~~~
>
>
> vim +/__run_hrtimer_get_debug +1478 kernel/time/hrtimer.c
>
> 1477
> > 1478 void *__run_hrtimer_get_debug(int cpu)
> 1479 {
> 1480 return READ_ONCE(per_cpu(__run_hrtimer_fn, cpu));
> 1481 }
> 1482
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next prev parent reply other threads:[~2021-09-02 22:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 22:01 [rcu:dev.2021.08.25a 99/115] kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug' kernel test robot
2021-09-02 22:01 ` kernel test robot
2021-09-02 22:11 ` Paul E. McKenney [this message]
2021-09-02 22:11 ` Paul E. McKenney
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