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* [linux-next:master 6707/8019] arch/powerpc/kernel/tau_6xx.c:204:52: warning: data argument not used by format string
@ 2021-06-09  8:48 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-06-09  8:48 UTC (permalink / raw)
  To: Joe Perches
  Cc: kbuild-all, clang-built-linux, Linux Memory Management List, Tejun Heo

[-- Attachment #1: Type: text/plain, Size: 11470 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ab5803bc555fe68b9b0d37b9a850d3ec601b938a
commit: f2ccd0a922b38300c78e779436929853a42455f8 [6707/8019] workqueue: Add back __printf format validation
config: powerpc64-randconfig-r011-20210608 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386)
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
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f2ccd0a922b38300c78e779436929853a42455f8
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout f2ccd0a922b38300c78e779436929853a42455f8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

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 >>):

   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:238:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:240:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:242:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:244:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:246:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/kernel/tau_6xx.c:204:52: warning: data argument not used by format string [-Wformat-extra-args]
           tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1, 0);
                                       ~~~~~                 ^
   8 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on SMP && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE
   Selected by
   - PM_SLEEP_SMP && SMP && (ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE && PM_SLEEP


vim +204 arch/powerpc/kernel/tau_6xx.c

^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  189  
9e0d86cd2d7499 arch/powerpc/kernel/tau_6xx.c Mathieu Malaterre 2018-03-22  190  static int __init TAU_init(void)
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  191  {
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  192  	/* We assume in SMP that if one CPU has TAU support, they
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  193  	 * all have it --BenH
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  194  	 */
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  195  	if (!cpu_has_feature(CPU_FTR_TAU)) {
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  196  		printk("Thermal assist unit not available\n");
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  197  		tau_initialized = 0;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  198  		return 1;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  199  	}
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  200  
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  201  	tau_int_enable = IS_ENABLED(CONFIG_TAU_INT) &&
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  202  			 !strcmp(cur_cpu_spec->platform, "ppc750");
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  203  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05 @204  	tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1, 0);
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  205  	if (!tau_workq)
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  206  		return -ENOMEM;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  207  
15c8b6c1aaaf1c arch/powerpc/kernel/tau_6xx.c Jens Axboe        2008-05-09  208  	on_each_cpu(TAU_init_smp, NULL, 0);
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  209  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  210  	queue_work(tau_workq, &tau_work);
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  211  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  212  	pr_info("Thermal assist unit using %s, shrink_timer: %d ms\n",
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  213  		tau_int_enable ? "interrupts" : "workqueue", shrink_timer);
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  214  	tau_initialized = 1;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  215  
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  216  	return 0;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  217  }
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  218  

:::::: The code at line 204 was first introduced by commit
:::::: b1c6a0a10bfaf36ec82fde6f621da72407fa60a1 powerpc/tau: Convert from timer to workqueue

:::::: TO: Finn Thain <fthain@telegraphics.com.au>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 34483 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread

* [linux-next:master 6707/8019] arch/powerpc/kernel/tau_6xx.c:204:52: warning: data argument not used by format string
@ 2021-06-09  8:48 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-06-09  8:48 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 11648 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   ab5803bc555fe68b9b0d37b9a850d3ec601b938a
commit: f2ccd0a922b38300c78e779436929853a42455f8 [6707/8019] workqueue: Add back __printf format validation
config: powerpc64-randconfig-r011-20210608 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386)
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
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f2ccd0a922b38300c78e779436929853a42455f8
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout f2ccd0a922b38300c78e779436929853a42455f8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

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 >>):

   __do_insb
   ^
   arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb'
   #define __do_insb(p, b, n)      readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:238:1: note: expanded from here
   __do_insw
   ^
   arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw'
   #define __do_insw(p, b, n)      readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:240:1: note: expanded from here
   __do_insl
   ^
   arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl'
   #define __do_insl(p, b, n)      readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
                                          ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:242:1: note: expanded from here
   __do_outsb
   ^
   arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb'
   #define __do_outsb(p, b, n)     writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:244:1: note: expanded from here
   __do_outsw
   ^
   arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw'
   #define __do_outsw(p, b, n)     writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
   In file included from arch/powerpc/kernel/tau_6xx.c:20:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:619:
   arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET'
                   __do_##name al;                                 \
                   ^~~~~~~~~~~~~~
   <scratch space>:246:1: note: expanded from here
   __do_outsl
   ^
   arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl'
   #define __do_outsl(p, b, n)     writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
                                           ~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/kernel/tau_6xx.c:204:52: warning: data argument not used by format string [-Wformat-extra-args]
           tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1, 0);
                                       ~~~~~                 ^
   8 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HOTPLUG_CPU
   Depends on SMP && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE
   Selected by
   - PM_SLEEP_SMP && SMP && (ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE && PM_SLEEP


vim +204 arch/powerpc/kernel/tau_6xx.c

^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  189  
9e0d86cd2d7499 arch/powerpc/kernel/tau_6xx.c Mathieu Malaterre 2018-03-22  190  static int __init TAU_init(void)
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  191  {
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  192  	/* We assume in SMP that if one CPU has TAU support, they
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  193  	 * all have it --BenH
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  194  	 */
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  195  	if (!cpu_has_feature(CPU_FTR_TAU)) {
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  196  		printk("Thermal assist unit not available\n");
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  197  		tau_initialized = 0;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  198  		return 1;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  199  	}
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  200  
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  201  	tau_int_enable = IS_ENABLED(CONFIG_TAU_INT) &&
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  202  			 !strcmp(cur_cpu_spec->platform, "ppc750");
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  203  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05 @204  	tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1, 0);
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  205  	if (!tau_workq)
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  206  		return -ENOMEM;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  207  
15c8b6c1aaaf1c arch/powerpc/kernel/tau_6xx.c Jens Axboe        2008-05-09  208  	on_each_cpu(TAU_init_smp, NULL, 0);
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  209  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  210  	queue_work(tau_workq, &tau_work);
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  211  
b1c6a0a10bfaf3 arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  212  	pr_info("Thermal assist unit using %s, shrink_timer: %d ms\n",
5e3119e15fed5b arch/powerpc/kernel/tau_6xx.c Finn Thain        2020-09-05  213  		tau_int_enable ? "interrupts" : "workqueue", shrink_timer);
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  214  	tau_initialized = 1;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  215  
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  216  	return 0;
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  217  }
^1da177e4c3f41 arch/ppc/kernel/temp.c        Linus Torvalds    2005-04-16  218  

:::::: The code at line 204 was first introduced by commit
:::::: b1c6a0a10bfaf36ec82fde6f621da72407fa60a1 powerpc/tau: Convert from timer to workqueue

:::::: TO: Finn Thain <fthain@telegraphics.com.au>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>

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

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