Re: [PATCH -fixes 1/4] riscv: Fix is_linear_mapping with recent move of KASAN region
From: kernel test robot
Date: Sun Feb 20 2022 - 12:55:59 EST
Hi Alexandre,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.17-rc4 next-20220217]
[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]
url: https://github.com/0day-ci/linux/commits/Alexandre-Ghiti/Fixes-KASAN-and-other-along-the-way/20220220-181628
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4f12b742eb2b3a850ac8be7dc4ed52976fc6cb0b
config: riscv-nommu_virt_defconfig (https://download.01.org/0day-ci/archive/20220221/202202210123.ilPycxXe-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/de8a909a9eabf9066802a3396b7009cbf4fa4369
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Alexandre-Ghiti/Fixes-KASAN-and-other-along-the-way/20220220-181628
git checkout de8a909a9eabf9066802a3396b7009cbf4fa4369
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv prepare
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
In file included from arch/riscv/kernel/asm-offsets.c:10:
>> include/linux/mm.h:837:22: error: use of undeclared identifier 'KERN_VIRT_SIZE'; did you mean 'KERN_VERSION'?
struct page *page = virt_to_page(x);
^
arch/riscv/include/asm/page.h:165:42: note: expanded from macro 'virt_to_page'
#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
^
arch/riscv/include/asm/page.h:162:41: note: expanded from macro 'virt_to_pfn'
#define virt_to_pfn(vaddr) (phys_to_pfn(__pa(vaddr)))
^
arch/riscv/include/asm/page.h:156:18: note: expanded from macro '__pa'
#define __pa(x) __virt_to_phys((unsigned long)(x))
^
arch/riscv/include/asm/page.h:151:27: note: expanded from macro '__virt_to_phys'
#define __virt_to_phys(x) __va_to_pa_nodebug(x)
^
arch/riscv/include/asm/page.h:143:2: note: expanded from macro '__va_to_pa_nodebug'
is_linear_mapping(_x) ? \
^
arch/riscv/include/asm/page.h:122:75: note: expanded from macro 'is_linear_mapping'
((x) >= PAGE_OFFSET && (!IS_ENABLED(CONFIG_64BIT) || (x) < PAGE_OFFSET + KERN_VIRT_SIZE))
^
include/uapi/linux/sysctl.h:88:2: note: 'KERN_VERSION' declared here
KERN_VERSION=4, /* string: compile time info */
^
In file included from arch/riscv/kernel/asm-offsets.c:10:
include/linux/mm.h:844:22: error: use of undeclared identifier 'KERN_VIRT_SIZE'; did you mean 'KERN_VERSION'?
struct page *page = virt_to_page(x);
^
arch/riscv/include/asm/page.h:165:42: note: expanded from macro 'virt_to_page'
#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
^
arch/riscv/include/asm/page.h:162:41: note: expanded from macro 'virt_to_pfn'
#define virt_to_pfn(vaddr) (phys_to_pfn(__pa(vaddr)))
^
arch/riscv/include/asm/page.h:156:18: note: expanded from macro '__pa'
#define __pa(x) __virt_to_phys((unsigned long)(x))
^
arch/riscv/include/asm/page.h:151:27: note: expanded from macro '__virt_to_phys'
#define __virt_to_phys(x) __va_to_pa_nodebug(x)
^
arch/riscv/include/asm/page.h:143:2: note: expanded from macro '__va_to_pa_nodebug'
is_linear_mapping(_x) ? \
^
arch/riscv/include/asm/page.h:122:75: note: expanded from macro 'is_linear_mapping'
((x) >= PAGE_OFFSET && (!IS_ENABLED(CONFIG_64BIT) || (x) < PAGE_OFFSET + KERN_VIRT_SIZE))
^
include/uapi/linux/sysctl.h:88:2: note: 'KERN_VERSION' declared here
KERN_VERSION=4, /* string: compile time info */
^
2 errors generated.
make[2]: *** [scripts/Makefile.build:121: arch/riscv/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1191: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +837 include/linux/mm.h
70b50f94f1644e Andrea Arcangeli 2011-11-02 834
b49af68ff9fc5d Christoph Lameter 2007-05-06 835 static inline struct page *virt_to_head_page(const void *x)
b49af68ff9fc5d Christoph Lameter 2007-05-06 836 {
b49af68ff9fc5d Christoph Lameter 2007-05-06 @837 struct page *page = virt_to_page(x);
ccaafd7fd039ae Joonsoo Kim 2015-02-10 838
1d798ca3f16437 Kirill A. Shutemov 2015-11-06 839 return compound_head(page);
b49af68ff9fc5d Christoph Lameter 2007-05-06 840 }
b49af68ff9fc5d Christoph Lameter 2007-05-06 841
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