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* [ammarfaizi2-block:palmer/linux/riscv-zicbom 6/6] arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
@ 2022-08-04 20:47 kernel test robot
  2022-08-08  8:16 ` Heiko Stübner
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2022-08-04 20:47 UTC (permalink / raw)
  To: Heiko Stuebner
  Cc: kbuild-all, Ammar Faizi, GNU/Weeb Mailing List, linux-kernel,
	Palmer Dabbelt, Samuel Holland, Guo Ren

tree:   https://github.com/ammarfaizi2/linux-block palmer/linux/riscv-zicbom
head:   d20ec7529236a2fcdb2d856fc0bd80b409a217fc
commit: d20ec7529236a2fcdb2d856fc0bd80b409a217fc [6/6] riscv: implement cache-management errata for T-Head SoCs
config: riscv-randconfig-r035-20220804 (https://download.01.org/0day-ci/archive/20220805/[email protected]/config)
compiler: riscv64-linux-gcc (GCC) 12.1.0
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/ammarfaizi2/linux-block/commit/d20ec7529236a2fcdb2d856fc0bd80b409a217fc
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block palmer/linux/riscv-zicbom
        git checkout d20ec7529236a2fcdb2d856fc0bd80b409a217fc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/mm/ kernel/dma/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

   In file included from arch/riscv/include/asm/alternative.h:11,
                    from arch/riscv/include/asm/errata_list.h:8,
                    from arch/riscv/include/asm/tlbflush.h:12,
                    from arch/riscv/include/asm/pgtable.h:108,
                    from arch/riscv/include/asm/uaccess.h:12,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/compat.h:17,
                    from arch/riscv/include/asm/elf.h:12,
                    from include/linux/elf.h:6,
                    from include/linux/module.h:19,
                    from include/linux/device/driver.h:21,
                    from include/linux/device.h:32,
                    from include/linux/dma-mapping.h:7,
                    from include/linux/dma-direct.h:9,
                    from arch/riscv/mm/dma-noncoherent.c:8:
   arch/riscv/mm/dma-noncoherent.c: In function 'arch_sync_dma_for_device':
>> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
     128 |         __nops(6),                                                      \
         |         ^~~~~~
   arch/riscv/include/asm/alternative-macros.h:123:9: note: in definition of macro '__ALTERNATIVE_CFG_2'
     123 |         old_c "\n"                                                      \
         |         ^~~~~
   arch/riscv/include/asm/alternative-macros.h:200:9: note: in expansion of macro '_ALTERNATIVE_CFG_2'
     200 |         _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,     \
         |         ^~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/errata_list.h:127:14: note: in expansion of macro 'ALTERNATIVE_2'
     127 | asm volatile(ALTERNATIVE_2(                                             \
         |              ^~~~~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:25:17: note: in expansion of macro 'ALT_CMO_OP'
      25 |                 ALT_CMO_OP(clean, vaddr, size, riscv_cbom_block_size);
         |                 ^~~~~~~~~~
>> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
     128 |         __nops(6),                                                      \
         |         ^~~~~~
   arch/riscv/include/asm/alternative-macros.h:123:9: note: in definition of macro '__ALTERNATIVE_CFG_2'
     123 |         old_c "\n"                                                      \
         |         ^~~~~
   arch/riscv/include/asm/alternative-macros.h:200:9: note: in expansion of macro '_ALTERNATIVE_CFG_2'
     200 |         _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,     \
         |         ^~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/errata_list.h:127:14: note: in expansion of macro 'ALTERNATIVE_2'
     127 | asm volatile(ALTERNATIVE_2(                                             \
         |              ^~~~~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:28:17: note: in expansion of macro 'ALT_CMO_OP'
      28 |                 ALT_CMO_OP(clean, vaddr, size, riscv_cbom_block_size);
         |                 ^~~~~~~~~~
>> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
     128 |         __nops(6),                                                      \
         |         ^~~~~~
   arch/riscv/include/asm/alternative-macros.h:123:9: note: in definition of macro '__ALTERNATIVE_CFG_2'
     123 |         old_c "\n"                                                      \
         |         ^~~~~
   arch/riscv/include/asm/alternative-macros.h:200:9: note: in expansion of macro '_ALTERNATIVE_CFG_2'
     200 |         _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,     \
         |         ^~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/errata_list.h:127:14: note: in expansion of macro 'ALTERNATIVE_2'
     127 | asm volatile(ALTERNATIVE_2(                                             \
         |              ^~~~~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:31:17: note: in expansion of macro 'ALT_CMO_OP'
      31 |                 ALT_CMO_OP(flush, vaddr, size, riscv_cbom_block_size);
         |                 ^~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:21:15: warning: unused variable 'vaddr' [-Wunused-variable]
      21 |         void *vaddr = phys_to_virt(paddr);
         |               ^~~~~
   arch/riscv/mm/dma-noncoherent.c: In function 'arch_sync_dma_for_cpu':
>> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
     128 |         __nops(6),                                                      \
         |         ^~~~~~
   arch/riscv/include/asm/alternative-macros.h:123:9: note: in definition of macro '__ALTERNATIVE_CFG_2'
     123 |         old_c "\n"                                                      \
         |         ^~~~~
   arch/riscv/include/asm/alternative-macros.h:200:9: note: in expansion of macro '_ALTERNATIVE_CFG_2'
     200 |         _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,     \
         |         ^~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/errata_list.h:127:14: note: in expansion of macro 'ALTERNATIVE_2'
     127 | asm volatile(ALTERNATIVE_2(                                             \
         |              ^~~~~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:48:17: note: in expansion of macro 'ALT_CMO_OP'
      48 |                 ALT_CMO_OP(flush, vaddr, size, riscv_cbom_block_size);
         |                 ^~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:41:15: warning: unused variable 'vaddr' [-Wunused-variable]
      41 |         void *vaddr = phys_to_virt(paddr);
         |               ^~~~~
   arch/riscv/mm/dma-noncoherent.c: In function 'arch_dma_prep_coherent':
>> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
     128 |         __nops(6),                                                      \
         |         ^~~~~~
   arch/riscv/include/asm/alternative-macros.h:123:9: note: in definition of macro '__ALTERNATIVE_CFG_2'
     123 |         old_c "\n"                                                      \
         |         ^~~~~
   arch/riscv/include/asm/alternative-macros.h:200:9: note: in expansion of macro '_ALTERNATIVE_CFG_2'
     200 |         _ALTERNATIVE_CFG_2(old_content, new_content_1, vendor_id_1,     \
         |         ^~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/errata_list.h:127:14: note: in expansion of macro 'ALTERNATIVE_2'
     127 | asm volatile(ALTERNATIVE_2(                                             \
         |              ^~~~~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:59:9: note: in expansion of macro 'ALT_CMO_OP'
      59 |         ALT_CMO_OP(flush, flush_addr, size, riscv_cbom_block_size);
         |         ^~~~~~~~~~
   arch/riscv/mm/dma-noncoherent.c:57:15: warning: unused variable 'flush_addr' [-Wunused-variable]
      57 |         void *flush_addr = page_address(page);
         |               ^~~~~~~~~~
--
   kernel/dma/pool.c: In function 'atomic_pool_expand':
>> kernel/dma/pool.c:105:44: error: implicit declaration of function 'pgprot_dmacoherent' [-Werror=implicit-function-declaration]
     105 |                                            pgprot_dmacoherent(PAGE_KERNEL),
         |                                            ^~~~~~~~~~~~~~~~~~
>> kernel/dma/pool.c:105:44: error: incompatible type for argument 3 of 'dma_common_contiguous_remap'
     105 |                                            pgprot_dmacoherent(PAGE_KERNEL),
         |                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                            |
         |                                            int
   In file included from kernel/dma/pool.c:8:
   include/linux/dma-map-ops.h:235:76: note: expected 'pgprot_t' but argument is of type 'int'
     235 | void *dma_common_contiguous_remap(struct page *page, size_t size, pgprot_t prot,
         |                                                                   ~~~~~~~~~^~~~
   cc1: some warnings being treated as errors


vim +128 arch/riscv/include/asm/errata_list.h

   125	
   126	#define ALT_CMO_OP(_op, _start, _size, _cachesize)			\
   127	asm volatile(ALTERNATIVE_2(						\
 > 128		__nops(6),							\
   129		"mv a0, %1\n\t"							\
   130		"j 2f\n\t"							\
   131		"3:\n\t"							\
   132		"cbo." __stringify(_op) " (a0)\n\t"				\
   133		"add a0, a0, %0\n\t"						\
   134		"2:\n\t"							\
   135		"bltu a0, %2, 3b\n\t"						\
   136		"nop", 0, CPUFEATURE_ZICBOM, CONFIG_RISCV_ISA_ZICBOM,		\
   137		"mv a0, %1\n\t"							\
   138		"j 2f\n\t"							\
   139		"3:\n\t"							\
   140		THEAD_##_op##_A0 "\n\t"						\
   141		"add a0, a0, %0\n\t"						\
   142		"2:\n\t"							\
   143		"bltu a0, %2, 3b\n\t"						\
   144		THEAD_SYNC_S, THEAD_VENDOR_ID,					\
   145				ERRATA_THEAD_CMO, CONFIG_ERRATA_THEAD_CMO)	\
   146		: : "r"(_cachesize),						\
   147		    "r"((unsigned long)(_start) & ~((_cachesize) - 1UL)),	\
   148		    "r"((unsigned long)(_start) + (_size))			\
   149		: "a0")
   150	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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

* Re: [ammarfaizi2-block:palmer/linux/riscv-zicbom 6/6] arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
  2022-08-04 20:47 [ammarfaizi2-block:palmer/linux/riscv-zicbom 6/6] arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops' kernel test robot
@ 2022-08-08  8:16 ` Heiko Stübner
  0 siblings, 0 replies; 2+ messages in thread
From: Heiko Stübner @ 2022-08-08  8:16 UTC (permalink / raw)
  To: kernel test robot
  Cc: kbuild-all, Ammar Faizi, GNU/Weeb Mailing List, linux-kernel,
	Palmer Dabbelt, Samuel Holland, Guo Ren

Hi,

Am Donnerstag, 4. August 2022, 22:47:29 CEST schrieb kernel test robot:
> tree:   https://github.com/ammarfaizi2/linux-block palmer/linux/riscv-zicbom
> head:   d20ec7529236a2fcdb2d856fc0bd80b409a217fc
> commit: d20ec7529236a2fcdb2d856fc0bd80b409a217fc [6/6] riscv: implement cache-management errata for T-Head SoCs
> config: riscv-randconfig-r035-20220804 (https://download.01.org/0day-ci/archive/20220805/[email protected]/config)
> compiler: riscv64-linux-gcc (GCC) 12.1.0
> 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/ammarfaizi2/linux-block/commit/d20ec7529236a2fcdb2d856fc0bd80b409a217fc
>         git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
>         git fetch --no-tags ammarfaizi2-block palmer/linux/riscv-zicbom
>         git checkout d20ec7529236a2fcdb2d856fc0bd80b409a217fc
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/mm/ kernel/dma/
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <[email protected]>
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from arch/riscv/include/asm/alternative.h:11,
>                     from arch/riscv/include/asm/errata_list.h:8,
>                     from arch/riscv/include/asm/tlbflush.h:12,
>                     from arch/riscv/include/asm/pgtable.h:108,
>                     from arch/riscv/include/asm/uaccess.h:12,
>                     from include/linux/uaccess.h:11,
>                     from include/linux/sched/task.h:11,
>                     from include/linux/sched/signal.h:9,
>                     from include/linux/rcuwait.h:6,
>                     from include/linux/percpu-rwsem.h:7,
>                     from include/linux/fs.h:33,
>                     from include/linux/compat.h:17,
>                     from arch/riscv/include/asm/elf.h:12,
>                     from include/linux/elf.h:6,
>                     from include/linux/module.h:19,
>                     from include/linux/device/driver.h:21,
>                     from include/linux/device.h:32,
>                     from include/linux/dma-mapping.h:7,
>                     from include/linux/dma-direct.h:9,
>                     from arch/riscv/mm/dma-noncoherent.c:8:
>    arch/riscv/mm/dma-noncoherent.c: In function 'arch_sync_dma_for_device':
> >> arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops'
>      128 |         __nops(6),                                                      \

As the error suggests, the zicbom assembly uses the newly introduced nops
macros for better readability, so I guess in Palmer's tree they should sit
on top of the riscv-nops branch.

Heiko



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

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2022-08-04 20:47 [ammarfaizi2-block:palmer/linux/riscv-zicbom 6/6] arch/riscv/include/asm/errata_list.h:128:9: error: expected ':' or ')' before '__nops' kernel test robot
2022-08-08  8:16 ` Heiko Stübner

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