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Date: Sun, 30 Oct 2022 07:31:03 +0800
From: kernel test robot <lkp@...el.com>
To: Laurent Dufour <ldufour@...ux.ibm.com>, mpe@...erman.id.au,
npiggin@...il.com, christophe.leroy@...roup.eu
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] powerpc: export the CPU node count
Hi Laurent,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on linus/master v6.1-rc2 next-20221028]
[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/Laurent-Dufour/Consider-the-size-of-the-added-CPU-nodes-in-the-kexec-FDT/20221029-000955
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link: https://lore.kernel.org/r/20221028160034.44400-2-ldufour%40linux.ibm.com
patch subject: [PATCH 1/2] powerpc: export the CPU node count
config: powerpc-gamecube_defconfig
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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://github.com/intel-lab-lkp/linux/commit/938849fa462143b321353bdd62acfd2c5e2b517b
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Laurent-Dufour/Consider-the-size-of-the-added-CPU-nodes-in-the-kexec-FDT/20221029-000955
git checkout 938849fa462143b321353bdd62acfd2c5e2b517b
# 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 SHELL=/bin/bash
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 >>):
In file included from include/linux/pci.h:38:
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: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>:119:1: 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/kernel/prom.c:20:
In file included from include/linux/pci.h:38:
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: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>:121:1: 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/kernel/prom.c:20:
In file included from include/linux/pci.h:38:
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: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>:123:1: 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/kernel/prom.c:20:
In file included from include/linux/pci.h:38:
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: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>:125:1: 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/kernel/prom.c:20:
In file included from include/linux/pci.h:38:
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: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>:127:1: 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))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/kernel/prom.c:59:
>> arch/powerpc/include/asm/kexec_ranges.h:7:32: error: declaration of 'struct crash_mem' will not be visible outside of this function [-Werror,-Wvisibility]
void sort_memory_ranges(struct crash_mem *mrngs, bool merge);
^
7 errors generated.
vim +7 arch/powerpc/include/asm/kexec_ranges.h
180adfc532a83c Hari Bathini 2020-07-29 6
180adfc532a83c Hari Bathini 2020-07-29 @7 void sort_memory_ranges(struct crash_mem *mrngs, bool merge);
180adfc532a83c Hari Bathini 2020-07-29 8 struct crash_mem *realloc_mem_ranges(struct crash_mem **mem_ranges);
180adfc532a83c Hari Bathini 2020-07-29 9 int add_mem_range(struct crash_mem **mem_ranges, u64 base, u64 size);
b8e55a3e5c2088 Hari Bathini 2020-07-29 10 int add_tce_mem_ranges(struct crash_mem **mem_ranges);
b8e55a3e5c2088 Hari Bathini 2020-07-29 11 int add_initrd_mem_range(struct crash_mem **mem_ranges);
58dbe9b373df28 Murilo Opsfelder Araujo 2022-03-01 12 #ifdef CONFIG_PPC_64S_HASH_MMU
b8e55a3e5c2088 Hari Bathini 2020-07-29 13 int add_htab_mem_range(struct crash_mem **mem_ranges);
b8e55a3e5c2088 Hari Bathini 2020-07-29 14 #else
b8e55a3e5c2088 Hari Bathini 2020-07-29 15 static inline int add_htab_mem_range(struct crash_mem **mem_ranges)
b8e55a3e5c2088 Hari Bathini 2020-07-29 16 {
b8e55a3e5c2088 Hari Bathini 2020-07-29 17 return 0;
b8e55a3e5c2088 Hari Bathini 2020-07-29 18 }
b8e55a3e5c2088 Hari Bathini 2020-07-29 19 #endif
b8e55a3e5c2088 Hari Bathini 2020-07-29 20 int add_kernel_mem_range(struct crash_mem **mem_ranges);
b8e55a3e5c2088 Hari Bathini 2020-07-29 21 int add_rtas_mem_range(struct crash_mem **mem_ranges);
b8e55a3e5c2088 Hari Bathini 2020-07-29 22 int add_opal_mem_range(struct crash_mem **mem_ranges);
b8e55a3e5c2088 Hari Bathini 2020-07-29 23 int add_reserved_mem_ranges(struct crash_mem **mem_ranges);
180adfc532a83c Hari Bathini 2020-07-29 24
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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