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Message-ID: <202212092353.tQH6186P-lkp@intel.com>
Date: Sat, 10 Dec 2022 00:10:03 +0800
From: kernel test robot <lkp@...el.com>
To: Xander Moerkerken <xandermoerkerken@...il.com>,
akpm@...ux-foundation.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
Xander Moerkerken <xander.moerkerken@...il.com>
Subject: Re: [PATCH] Added ability to vmalloc executable memory
Hi Xander,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.1-rc8 next-20221208]
[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/Xander-Moerkerken/Added-ability-to-vmalloc-executable-memory/20221209-211212
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20221209131052.64235-1-xander.moerkerken%40omron.com
patch subject: [PATCH] Added ability to vmalloc executable memory
config: hexagon-randconfig-r041-20221209
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036)
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/intel-lab-lkp/linux/commit/86c4449bb255bd5320d7b260034db7845878bc12
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Xander-Moerkerken/Added-ability-to-vmalloc-executable-memory/20221209-211212
git checkout 86c4449bb255bd5320d7b260034db7845878bc12
# 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=hexagon 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 mm/vmalloc.c:14:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from mm/vmalloc.c:14:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from mm/vmalloc.c:14:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> mm/vmalloc.c:3314:9: error: call to undeclared function '__vmalloc_node_prot'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
return __vmalloc_node_prot(size, 1, gfp_mask, PAGE_KERNEL_EXEC,
^
>> mm/vmalloc.c:3314:9: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'void *' [-Wint-conversion]
return __vmalloc_node_prot(size, 1, gfp_mask, PAGE_KERNEL_EXEC,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings and 2 errors generated.
vim +/__vmalloc_node_prot +3314 mm/vmalloc.c
3310
3311
3312 void *__vmalloc_exec(unsigned long size, gfp_t gfp_mask)
3313 {
> 3314 return __vmalloc_node_prot(size, 1, gfp_mask, PAGE_KERNEL_EXEC,
3315 NUMA_NO_NODE, __builtin_return_address(0));
3316 }
3317 EXPORT_SYMBOL(__vmalloc_exec);
3318
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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