From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [RFC PATCH 2/3] vmcore: Add interface to write to old mem
Date: Wed, 09 Sep 2020 20:27:15 +0800 [thread overview]
Message-ID: <202009092032.f78NysVv%lkp@intel.com> (raw)
In-Reply-To: <20200909075016.104407-3-kasong@redhat.com>
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Hi Kairui,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on linux/master]
[also build test ERROR on linus/master v5.9-rc4 next-20200908]
[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/Kairui-Song/Add-writing-support-to-vmcore-for-reusing-oldmem/20200909-155222
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bcf876870b95592b52519ed4aafcf9d95999bc9c
config: riscv-randconfig-r015-20200909 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 8893d0816ccdf8998d2e21b5430e9d6abe7ef465)
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>):
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return inw(addr);
^~~~~~~~~
arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inw'
#define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:94:76: note: expanded from macro 'readw_cpu'
#define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force __le16)__raw_readw(c)); __r; })
^
include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from net/core/dev.c:88:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return inl(addr);
^~~~~~~~~
arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inl'
#define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE + (c))); __io_par(__v); __v; })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:95:76: note: expanded from macro 'readl_cpu'
#define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force __le32)__raw_readl(c)); __r; })
^
include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from net/core/dev.c:88:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outb(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:58:68: note: expanded from macro 'outb'
#define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:97:52: note: expanded from macro 'writeb_cpu'
#define writeb_cpu(v, c) ((void)__raw_writeb((v), (c)))
^
In file included from net/core/dev.c:88:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outw(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outw'
#define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:98:76: note: expanded from macro 'writew_cpu'
#define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c)))
^
In file included from net/core/dev.c:88:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
outl(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outl'
#define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c))); __io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:99:76: note: expanded from macro 'writel_cpu'
#define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c)))
^
In file included from net/core/dev.c:88:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:10:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:13:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:148:
include/asm-generic/io.h:1017:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
In file included from net/core/dev.c:140:
>> include/linux/crash_dump.h:131:45: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
^
include/linux/crash_dump.h:131:53: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
^
include/linux/crash_dump.h:131:59: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
^
include/linux/crash_dump.h:131:64: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
^
include/linux/crash_dump.h:131:70: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
^
>> include/linux/crash_dump.h:136:1: error: expected identifier or '('
{
^
12 warnings and 1 error generated.
# https://github.com/0day-ci/linux/commit/6d641ec8d1a1d979916bca93ddf975a9a860c8f2
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kairui-Song/Add-writing-support-to-vmcore-for-reusing-oldmem/20200909-155222
git checkout 6d641ec8d1a1d979916bca93ddf975a9a860c8f2
vim +136 include/linux/crash_dump.h
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 122
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 123 #ifdef CONFIG_PROC_VMCORE
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 124 ssize_t read_from_oldmem(char *buf, size_t count,
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 125 u64 *ppos, int userbuf,
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 126 bool encrypted);
6d641ec8d1a1d9 Kairui Song 2020-09-09 127 ssize_t write_to_oldmem(char *buf, size_t count,
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 128 u64 *ppos, int userbuf,
6d641ec8d1a1d9 Kairui Song 2020-09-09 129 bool encrypted);
6d641ec8d1a1d9 Kairui Song 2020-09-09 130 #else
6d641ec8d1a1d9 Kairui Song 2020-09-09 @131 static inline ssize_t read_from_oldmem(char*, size_t, u64*, int, bool)
6d641ec8d1a1d9 Kairui Song 2020-09-09 132 {
6d641ec8d1a1d9 Kairui Song 2020-09-09 133 return -EOPNOTSUPP;
6d641ec8d1a1d9 Kairui Song 2020-09-09 134 }
6d641ec8d1a1d9 Kairui Song 2020-09-09 135 static inline ssize_t write_to_oldmem(char*, size_t, u64*, int, bool);
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 @136 {
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 137 return -EOPNOTSUPP;
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 138 }
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 139 #endif /* CONFIG_PROC_VMCORE */
ae7eb82a92fae4 Thiago Jung Bauermann 2019-08-06 140
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2020-09-09 12:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 7:50 [RFC PATCH 0/3] Add writing support to vmcore for reusing oldmem Kairui Song
2020-09-09 7:50 ` Kairui Song
2020-09-09 7:50 ` [RFC PATCH 1/3] vmcore: simplify read_from_olemem Kairui Song
2020-09-09 7:50 ` Kairui Song
2020-09-09 10:55 ` kernel test robot
2020-09-09 7:50 ` [RFC PATCH 2/3] vmcore: Add interface to write to old mem Kairui Song
2020-09-09 7:50 ` Kairui Song
2020-09-09 12:26 ` kernel test robot
2020-09-09 12:27 ` kernel test robot [this message]
2020-09-09 7:50 ` [RFC PATCH 3/3] x86_64: implement copy_to_oldmem_page Kairui Song
2020-09-09 7:50 ` Kairui Song
2020-09-09 14:04 ` [RFC PATCH 0/3] Add writing support to vmcore for reusing oldmem Eric W. Biederman
2020-09-09 14:04 ` Eric W. Biederman
2020-09-09 16:43 ` Kairui Song
2020-09-09 16:43 ` Kairui Song
2020-09-21 7:17 ` Kairui Song
2020-09-21 7:17 ` Kairui Song
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