* [arnd-asm-generic:dma-sync-rework 7/22] arch/powerpc/mm/dma-noncoherent.c:91:59: error: must use 'enum' tag to refer to type 'dma_cache_op'
@ 2023-03-25 10:39 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-25 10:39 UTC (permalink / raw)
To: Arnd Bergmann; +Cc: llvm, oe-kbuild-all, linux-arch
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git dma-sync-rework
head: 985cd64f3b17b82468e68c6269e09a5556d3720e
commit: a0183b361d4212de180444305367f20ad14f89fd [7/22] powerpc: dma-mapping: split out cache operation logic
config: powerpc-obs600_defconfig (https://download.01.org/0day-ci/archive/20230325/202303251834.xlyWtsTh-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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 powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=a0183b361d4212de180444305367f20ad14f89fd
git remote add arnd-asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
git fetch --no-tags arnd-asm-generic dma-sync-rework
git checkout a0183b361d4212de180444305367f20ad14f89fd
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303251834.xlyWtsTh-lkp@intel.com/
All errors (new ones prefixed by >>):
__do_insb
^
arch/powerpc/include/asm/io.h:577:56: 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/mm/dma-noncoherent.c:12:
In file included from include/linux/highmem.h:12:
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:640:
arch/powerpc/include/asm/io-defs.h:45:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:186:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:578:56: 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/mm/dma-noncoherent.c:12:
In file included from include/linux/highmem.h:12:
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:640:
arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:188:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:579:56: 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/mm/dma-noncoherent.c:12:
In file included from include/linux/highmem.h:12:
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:640:
arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:190:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:580:58: 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/mm/dma-noncoherent.c:12:
In file included from include/linux/highmem.h:12:
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:640:
arch/powerpc/include/asm/io-defs.h:51:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:192:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:581:58: 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/mm/dma-noncoherent.c:12:
In file included from include/linux/highmem.h:12:
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:640:
arch/powerpc/include/asm/io-defs.h:53:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:637:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:194:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:582:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/mm/dma-noncoherent.c:91:59: error: must use 'enum' tag to refer to type 'dma_cache_op'
static void __dma_phys_op(phys_addr_t paddr, size_t size, dma_cache_op op)
^
enum
arch/powerpc/mm/dma-noncoherent.c:107:10: error: use of undeclared identifier 'direction'
switch (direction) {
^
>> arch/powerpc/mm/dma-noncoherent.c:115:8: error: use of undeclared identifier 'start'; did you mean 'short'?
if ((start | end) & (L1_CACHE_BYTES - 1))
^~~~~
short
arch/powerpc/mm/dma-noncoherent.c:115:8: error: expected expression
arch/powerpc/mm/dma-noncoherent.c:116:18: error: use of undeclared identifier 'start'
__dma_phys_op(start, end, DMA_CACHE_FLUSH);
^
>> arch/powerpc/mm/dma-noncoherent.c:116:25: error: use of undeclared identifier 'end'
__dma_phys_op(start, end, DMA_CACHE_FLUSH);
^
arch/powerpc/mm/dma-noncoherent.c:118:18: error: use of undeclared identifier 'start'
__dma_phys_op(start, end, DMA_CACHE_INVAL);
^
arch/powerpc/mm/dma-noncoherent.c:118:25: error: use of undeclared identifier 'end'
__dma_phys_op(start, end, DMA_CACHE_INVAL);
^
arch/powerpc/mm/dma-noncoherent.c:121:17: error: use of undeclared identifier 'start'
__dma_phys_op(start, end, DMA_CACHE_CLEAN);
^
arch/powerpc/mm/dma-noncoherent.c:121:24: error: use of undeclared identifier 'end'
__dma_phys_op(start, end, DMA_CACHE_CLEAN);
^
arch/powerpc/mm/dma-noncoherent.c:124:17: error: use of undeclared identifier 'start'
__dma_phys_op(start, end, DMA_CACHE_FLUSH);
^
arch/powerpc/mm/dma-noncoherent.c:124:24: error: use of undeclared identifier 'end'
__dma_phys_op(start, end, DMA_CACHE_FLUSH);
^
arch/powerpc/mm/dma-noncoherent.c:132:10: error: use of undeclared identifier 'direction'
switch (direction) {
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
vim +91 arch/powerpc/mm/dma-noncoherent.c
86
87 /*
88 * __dma_phys_op makes memory consistent. identical to __dma_op, but
89 * takes a phys_addr_t instead of a virtual address
90 */
> 91 static void __dma_phys_op(phys_addr_t paddr, size_t size, dma_cache_op op)
92 {
93 struct page *page = pfn_to_page(paddr >> PAGE_SHIFT);
94 unsigned offset = paddr & ~PAGE_MASK;
95
96 #ifdef CONFIG_HIGHMEM
97 __dma_highmem_op(page, offset, size, op);
98 #else
99 unsigned long start = (unsigned long)page_address(page) + offset;
100 __dma_op((void *)start, size, op);
101 #endif
102 }
103
104 void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
105 enum dma_data_direction dir)
106 {
107 switch (direction) {
108 case DMA_NONE:
109 BUG();
110 case DMA_FROM_DEVICE:
111 /*
112 * invalidate only when cache-line aligned otherwise there is
113 * the potential for discarding uncommitted data from the cache
114 */
> 115 if ((start | end) & (L1_CACHE_BYTES - 1))
> 116 __dma_phys_op(start, end, DMA_CACHE_FLUSH);
117 else
118 __dma_phys_op(start, end, DMA_CACHE_INVAL);
119 break;
120 case DMA_TO_DEVICE: /* writeback only */
121 __dma_phys_op(start, end, DMA_CACHE_CLEAN);
122 break;
123 case DMA_BIDIRECTIONAL: /* writeback and invalidate */
124 __dma_phys_op(start, end, DMA_CACHE_FLUSH);
125 break;
126 }
127 }
128
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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