[arm64:devel/kmalloc-minalign 1/17] arch/powerpc/include/asm/page_32.h:16:9: error: 'ARCH_DMA_MINALIGN' macro redefined
kernel test robot
lkp at intel.com
Mon Jun 12 23:08:48 PDT 2023
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git devel/kmalloc-minalign
head: b862c01a97ef575e8d5f018e542dbd30ddc524b9
commit: 9c5a142fe1e2aeb1a1821eb79b39edd09bbb0078 [1/17] mm/slab: Decouple ARCH_KMALLOC_MINALIGN from ARCH_DMA_MINALIGN
config: powerpc-walnut_defconfig (https://download.01.org/0day-ci/archive/20230613/202306131347.7p4jzItp-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
mkdir -p ~/bin
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/arm64/linux.git/commit/?id=9c5a142fe1e2aeb1a1821eb79b39edd09bbb0078
git remote add arm64 https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
git fetch --no-tags arm64 devel/kmalloc-minalign
git checkout 9c5a142fe1e2aeb1a1821eb79b39edd09bbb0078
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306131347.7p4jzItp-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/prom_parse.c:7:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:5:
In file included from include/linux/fs.h:6:
In file included from include/linux/wait_bit.h:8:
In file included from include/linux/wait.h:9:
In file included from include/linux/spinlock.h:56:
In file included from include/linux/preempt.h:78:
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
In file included from include/linux/thread_info.h:60:
In file included from arch/powerpc/include/asm/thread_info.h:13:
In file included from arch/powerpc/include/asm/page.h:247:
>> arch/powerpc/include/asm/page_32.h:16:9: error: 'ARCH_DMA_MINALIGN' macro redefined [-Werror,-Wmacro-redefined]
16 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
| ^
include/linux/cache.h:104:9: note: previous definition is here
104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
| ^
In file included from arch/powerpc/kernel/prom_parse.c:7:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
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:677:
arch/powerpc/include/asm/io-defs.h:43:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
43 | DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:161:1: note: expanded from here
161 | __do_insb
| ^
arch/powerpc/include/asm/io.h:614:56: note: expanded from macro '__do_insb'
614 | #define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/prom_parse.c:7:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
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:677:
arch/powerpc/include/asm/io-defs.h:45:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
45 | DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
46 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:163:1: note: expanded from here
163 | __do_insw
| ^
arch/powerpc/include/asm/io.h:615:56: note: expanded from macro '__do_insw'
615 | #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/prom_parse.c:7:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
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:677:
arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
47 | DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:165:1: note: expanded from here
165 | __do_insl
| ^
arch/powerpc/include/asm/io.h:616:56: note: expanded from macro '__do_insl'
616 | #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/prom_parse.c:7:
In file included from include/linux/etherdevice.h:20:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
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:677:
arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
49 | DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:167:1: note: expanded from here
--
In file included from arch/powerpc/kernel/firmware.c:14:
In file included from include/linux/of.h:17:
In file included from include/linux/kobject.h:20:
In file included from include/linux/sysfs.h:16:
In file included from include/linux/kernfs.h:11:
In file included from include/linux/mutex.h:17:
In file included from include/linux/lockdep.h:14:
In file included from include/linux/smp.h:13:
In file included from include/linux/cpumask.h:13:
In file included from include/linux/atomic.h:7:
In file included from arch/powerpc/include/asm/atomic.h:11:
In file included from arch/powerpc/include/asm/cmpxchg.h:755:
In file included from include/asm-generic/cmpxchg-local.h:6:
In file included from include/linux/irqflags.h:16:
In file included from arch/powerpc/include/asm/irqflags.h:12:
In file included from arch/powerpc/include/asm/hw_irq.h:12:
In file included from arch/powerpc/include/asm/ptrace.h:342:
In file included from include/linux/thread_info.h:60:
In file included from arch/powerpc/include/asm/thread_info.h:13:
In file included from arch/powerpc/include/asm/page.h:247:
>> arch/powerpc/include/asm/page_32.h:16:9: error: 'ARCH_DMA_MINALIGN' macro redefined [-Werror,-Wmacro-redefined]
16 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
| ^
include/linux/cache.h:104:9: note: previous definition is here
104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
| ^
1 error generated.
--
In file included from arch/powerpc/kernel/syscall.c:3:
In file included from include/linux/compat.h:14:
In file included from include/linux/sem.h:5:
In file included from include/uapi/linux/sem.h:5:
In file included from include/linux/ipc.h:5:
In file included from include/linux/spinlock.h:56:
In file included from include/linux/preempt.h:78:
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
In file included from include/linux/thread_info.h:60:
In file included from arch/powerpc/include/asm/thread_info.h:13:
In file included from arch/powerpc/include/asm/page.h:247:
>> arch/powerpc/include/asm/page_32.h:16:9: error: 'ARCH_DMA_MINALIGN' macro redefined [-Werror,-Wmacro-redefined]
16 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
| ^
include/linux/cache.h:104:9: note: previous definition is here
104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
| ^
In file included from arch/powerpc/kernel/syscall.c:7:
In file included from arch/powerpc/include/asm/interrupt.h:70:
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:677:
arch/powerpc/include/asm/io-defs.h:43:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
43 | DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:187:1: note: expanded from here
187 | __do_insb
| ^
arch/powerpc/include/asm/io.h:614:56: note: expanded from macro '__do_insb'
614 | #define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/syscall.c:7:
In file included from arch/powerpc/include/asm/interrupt.h:70:
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:677:
arch/powerpc/include/asm/io-defs.h:45:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
45 | DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
46 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:189:1: note: expanded from here
189 | __do_insw
| ^
arch/powerpc/include/asm/io.h:615:56: note: expanded from macro '__do_insw'
615 | #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/syscall.c:7:
In file included from arch/powerpc/include/asm/interrupt.h:70:
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:677:
arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
47 | DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:191:1: note: expanded from here
191 | __do_insl
| ^
arch/powerpc/include/asm/io.h:616:56: note: expanded from macro '__do_insl'
616 | #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/syscall.c:7:
In file included from arch/powerpc/include/asm/interrupt.h:70:
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:677:
arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
49 | DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:193:1: note: expanded from here
193 | __do_outsb
| ^
arch/powerpc/include/asm/io.h:617:58: note: expanded from macro '__do_outsb'
617 | #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/syscall.c:7:
In file included from arch/powerpc/include/asm/interrupt.h:70:
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:677:
arch/powerpc/include/asm/io-defs.h:51:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
51 | DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
52 | (p, b, c), pio, p)
--
In file included from arch/powerpc/kernel/module_32.c:9:
In file included from include/linux/module.h:14:
In file included from include/linux/buildid.h:5:
In file included from include/linux/mm_types.h:5:
In file included from include/linux/mm_types_task.h:13:
In file included from include/linux/atomic.h:7:
In file included from arch/powerpc/include/asm/atomic.h:11:
In file included from arch/powerpc/include/asm/cmpxchg.h:755:
In file included from include/asm-generic/cmpxchg-local.h:6:
In file included from include/linux/irqflags.h:16:
In file included from arch/powerpc/include/asm/irqflags.h:12:
In file included from arch/powerpc/include/asm/hw_irq.h:12:
In file included from arch/powerpc/include/asm/ptrace.h:342:
In file included from include/linux/thread_info.h:60:
In file included from arch/powerpc/include/asm/thread_info.h:13:
In file included from arch/powerpc/include/asm/page.h:247:
>> arch/powerpc/include/asm/page_32.h:16:9: error: 'ARCH_DMA_MINALIGN' macro redefined [-Werror,-Wmacro-redefined]
16 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
| ^
include/linux/cache.h:104:9: note: previous definition is here
104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
| ^
In file included from arch/powerpc/kernel/module_32.c:16:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
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:677:
arch/powerpc/include/asm/io-defs.h:43:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
43 | DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:9:1: note: expanded from here
9 | __do_insb
| ^
arch/powerpc/include/asm/io.h:614:56: note: expanded from macro '__do_insb'
614 | #define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/module_32.c:16:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
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:677:
arch/powerpc/include/asm/io-defs.h:45:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
45 | DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
46 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:11:1: note: expanded from here
11 | __do_insw
| ^
arch/powerpc/include/asm/io.h:615:56: note: expanded from macro '__do_insw'
615 | #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/module_32.c:16:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
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:677:
arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
47 | DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:13:1: note: expanded from here
13 | __do_insl
| ^
arch/powerpc/include/asm/io.h:616:56: note: expanded from macro '__do_insl'
616 | #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/module_32.c:16:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
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:677:
arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
49 | DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:674:3: note: expanded from macro 'DEF_PCI_AC_NORET'
674 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:15:1: note: expanded from here
15 | __do_outsb
| ^
arch/powerpc/include/asm/io.h:617:58: note: expanded from macro '__do_outsb'
617 | #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/module_32.c:16:
In file included from include/linux/ftrace.h:10:
In file included from include/linux/trace_recursion.h:5:
..
vim +/ARCH_DMA_MINALIGN +16 arch/powerpc/include/asm/page_32.h
5cd16ee934eafc include/asm-powerpc/page_32.h Michael Ellerman 2005-11-11 14
52142e756e9bf6 include/asm-powerpc/page_32.h Benjamin Herrenschmidt 2007-11-19 15 #ifdef CONFIG_NOT_COHERENT_CACHE
a6eb9fe105d5de arch/powerpc/include/asm/page_32.h FUJITA Tomonori 2010-08-10 @16 #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
52142e756e9bf6 include/asm-powerpc/page_32.h Benjamin Herrenschmidt 2007-11-19 17 #endif
52142e756e9bf6 include/asm-powerpc/page_32.h Benjamin Herrenschmidt 2007-11-19 18
:::::: The code at line 16 was first introduced by commit
:::::: a6eb9fe105d5de0053b261148cee56c94b4720ca dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
:::::: TO: FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp>
:::::: CC: Linus Torvalds <torvalds at linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
More information about the linux-arm-kernel
mailing list