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Date: Tue, 2 Aug 2022 08:23:33 +0800
From: kernel test robot <lkp@...el.com>
To: Daniil Lunev <dlunev@...omium.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Bart Van Assche <bvanassche@....org>,
Stanley Chu <chu.stanley@...il.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Daniil Lunev <dlunev@...omium.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Avri Altman <avri.altman@....com>,
Bean Huo <beanhuo@...ron.com>,
Daejun Park <daejun7.park@...sung.com>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH v2] ufs: core: ufshcd: use local_clock() for debugging
timestamps
Hi Daniil,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on jejb-scsi/for-next]
[also build test ERROR on mkp-scsi/for-next linus/master v5.19 next-20220728]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Daniil-Lunev/ufs-core-ufshcd-use-local_clock-for-debugging-timestamps/20220801-123157
base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: x86_64-randconfig-a001-20220801 (https://download.01.org/0day-ci/archive/20220802/202208020844.RaNi6Dg0-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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://github.com/intel-lab-lkp/linux/commit/45a46347597e5c368c27a9fe01e400af675eb5e9
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Daniil-Lunev/ufs-core-ufshcd-use-local_clock-for-debugging-timestamps/20220801-123157
git checkout 45a46347597e5c368c27a9fe01e400af675eb5e9
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ufs/ kernel/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/ufs/core/ufshcd.c:2143:39: error: call to undeclared function 'local_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
lrbp->issue_time_stamp_local_clock = local_clock();
^
drivers/ufs/core/ufshcd.c:4227:45: error: call to undeclared function 'local_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
hba->ufs_stats.last_hibern8_exit_tstamp = local_clock();
^
drivers/ufs/core/ufshcd.c:4729:22: error: call to undeclared function 'local_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
e->tstamp[e->pos] = local_clock();
^
drivers/ufs/core/ufshcd.c:5362:40: error: call to undeclared function 'local_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
lrbp->compl_time_stamp_local_clock = local_clock();
^
drivers/ufs/core/ufshcd.c:6651:32: error: call to undeclared function 'local_clock'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
hba->ufs_stats.last_intr_ts = local_clock();
^
drivers/ufs/core/ufshcd.c:9553:44: warning: shift count >= width of type [-Wshift-count-overflow]
if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64)))
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 5 errors generated.
vim +/local_clock +2143 drivers/ufs/core/ufshcd.c
2130
2131 /**
2132 * ufshcd_send_command - Send SCSI or device management commands
2133 * @hba: per adapter instance
2134 * @task_tag: Task tag of the command
2135 */
2136 static inline
2137 void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)
2138 {
2139 struct ufshcd_lrb *lrbp = &hba->lrb[task_tag];
2140 unsigned long flags;
2141
2142 lrbp->issue_time_stamp = ktime_get();
> 2143 lrbp->issue_time_stamp_local_clock = local_clock();
2144 lrbp->compl_time_stamp = ktime_set(0, 0);
2145 lrbp->compl_time_stamp_local_clock = 0;
2146 ufshcd_add_command_trace(hba, task_tag, UFS_CMD_SEND);
2147 ufshcd_clk_scaling_start_busy(hba);
2148 if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
2149 ufshcd_start_monitor(hba, lrbp);
2150
2151 spin_lock_irqsave(&hba->outstanding_lock, flags);
2152 if (hba->vops && hba->vops->setup_xfer_req)
2153 hba->vops->setup_xfer_req(hba, task_tag, !!lrbp->cmd);
2154 __set_bit(task_tag, &hba->outstanding_reqs);
2155 ufshcd_writel(hba, 1 << task_tag, REG_UTP_TRANSFER_REQ_DOOR_BELL);
2156 spin_unlock_irqrestore(&hba->outstanding_lock, flags);
2157 }
2158
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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