All of lore.kernel.org
 help / color / mirror / Atom feed
* arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
@ 2021-05-06 22:11 ` kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-05-06 22:11 UTC (permalink / raw)
  To: Jisheng Zhang; +Cc: kbuild-all, clang-built-linux, linux-kernel, Palmer Dabbelt

[-- Attachment #1: Type: text/plain, Size: 8758 bytes --]

Hi Jisheng,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   38182162b50aa4e970e5997df0a0c4288147a153
commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
date:   10 days ago
config: riscv-randconfig-r006-20210506 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
   #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
                                                             ^
   In file included from arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
                                                     ~~~~~~~~~~ ^
>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
                                        GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
                                                    ^
   7 warnings and 1 error generated.


vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c

    86	
    87	void *alloc_insn_page(void)
    88	{
    89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
  > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
    91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
    92					     __builtin_return_address(0));
    93	}
    94	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 27904 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

* arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
@ 2021-05-06 22:11 ` kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-05-06 22:11 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 8908 bytes --]

Hi Jisheng,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   38182162b50aa4e970e5997df0a0c4288147a153
commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
date:   10 days ago
config: riscv-randconfig-r006-20210506 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
   #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
                                                             ^
   In file included from arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
   In file included from include/linux/kprobes.h:29:
   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:10:
   In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
   include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
                                                     ~~~~~~~~~~ ^
>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
                                        GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
                                                    ^
   7 warnings and 1 error generated.


vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c

    86	
    87	void *alloc_insn_page(void)
    88	{
    89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
  > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
    91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
    92					     __builtin_return_address(0));
    93	}
    94	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 27904 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
  2021-05-06 22:11 ` kernel test robot
@ 2021-05-16 19:10   ` Randy Dunlap
  -1 siblings, 0 replies; 6+ messages in thread
From: Randy Dunlap @ 2021-05-16 19:10 UTC (permalink / raw)
  To: kernel test robot, Jisheng Zhang
  Cc: kbuild-all, clang-built-linux, linux-kernel, Palmer Dabbelt

On 5/6/21 3:11 PM, kernel test robot wrote:
> Hi Jisheng,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   38182162b50aa4e970e5997df0a0c4288147a153
> commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
> date:   10 days ago
> config: riscv-randconfig-r006-20210506 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
> 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
>    #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
>                                                              ^
>    In file included from arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
>            return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
>                                                      ~~~~~~~~~~ ^
>>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
>                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
>                                                     ^
>    7 warnings and 1 error generated.
> 
> 
> vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c
> 
>     86	
>     87	void *alloc_insn_page(void)
>     88	{
>     89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
>   > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
>     91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
>     92					     __builtin_return_address(0));
>     93	}
>     94	
> 
> ---

>>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
>                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,

is due to
# CONFIG_MMU is not set


-- 
~Randy


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
@ 2021-05-16 19:10   ` Randy Dunlap
  0 siblings, 0 replies; 6+ messages in thread
From: Randy Dunlap @ 2021-05-16 19:10 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 9373 bytes --]

On 5/6/21 3:11 PM, kernel test robot wrote:
> Hi Jisheng,
> 
> FYI, the error/warning still remains.
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   38182162b50aa4e970e5997df0a0c4288147a153
> commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
> date:   10 days ago
> config: riscv-randconfig-r006-20210506 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
> 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
>    #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
>                                                              ^
>    In file included from arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
>    In file included from include/linux/kprobes.h:29:
>    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:10:
>    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
>    include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
>            return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
>                                                      ~~~~~~~~~~ ^
>>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
>                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
>                                                     ^
>    7 warnings and 1 error generated.
> 
> 
> vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c
> 
>     86	
>     87	void *alloc_insn_page(void)
>     88	{
>     89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
>   > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
>     91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
>     92					     __builtin_return_address(0));
>     93	}
>     94	
> 
> ---

>>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
>                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,

is due to
# CONFIG_MMU is not set


-- 
~Randy

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
  2021-05-16 19:10   ` Randy Dunlap
@ 2021-05-17 14:38     ` Jisheng Zhang
  -1 siblings, 0 replies; 6+ messages in thread
From: Jisheng Zhang @ 2021-05-17 14:38 UTC (permalink / raw)
  To: Randy Dunlap
  Cc: kernel test robot, Jisheng Zhang, kbuild-all, clang-built-linux,
	linux-kernel, Palmer Dabbelt

On Sun, 16 May 2021 12:10:01 -0700
Randy Dunlap <rdunlap@infradead.org> wrote:

> On 5/6/21 3:11 PM, kernel test robot wrote:
> > Hi Jisheng,
> > 
> > FYI, the error/warning still remains.
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   38182162b50aa4e970e5997df0a0c4288147a153
> > commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
> > date:   10 days ago
> > config: riscv-randconfig-r006-20210506 (attached as .config)
> > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
> > 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
> >         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >         git fetch --no-tags linus master
> >         git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
> >    #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
> >                                                              ^
> >    In file included from arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
> >            return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
> >                                                      ~~~~~~~~~~ ^  
> >>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'  
> >                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
> >                                                     ^
> >    7 warnings and 1 error generated.
> > 
> > 
> > vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c
> > 
> >     86	
> >     87	void *alloc_insn_page(void)
> >     88	{
> >     89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,  
> >   > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,  
> >     91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
> >     92					     __builtin_return_address(0));
> >     93	}
> >     94	
> > 
> > ---  
> 
> >>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'  
> >                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,  
> 
> is due to
> # CONFIG_MMU is not set
> 
> 

I have sent out patch to fix this isue:
http://lists.infradead.org/pipermail/linux-riscv/2021-May/006291.html

thanks


^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'
@ 2021-05-17 14:38     ` Jisheng Zhang
  0 siblings, 0 replies; 6+ messages in thread
From: Jisheng Zhang @ 2021-05-17 14:38 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 9891 bytes --]

On Sun, 16 May 2021 12:10:01 -0700
Randy Dunlap <rdunlap@infradead.org> wrote:

> On 5/6/21 3:11 PM, kernel test robot wrote:
> > Hi Jisheng,
> > 
> > FYI, the error/warning still remains.
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   38182162b50aa4e970e5997df0a0c4288147a153
> > commit: cdd1b2bd358ffda2638fe18ff47191e84e18525f riscv: kprobes: Implement alloc_insn_page()
> > date:   10 days ago
> > config: riscv-randconfig-r006-20210506 (attached as .config)
> > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
> > 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdd1b2bd358ffda2638fe18ff47191e84e18525f
> >         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >         git fetch --no-tags linus master
> >         git checkout cdd1b2bd358ffda2638fe18ff47191e84e18525f
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 
> > 
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:57:76: 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:89:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:59:68: 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:91:52: note: expanded from macro 'writeb_cpu'
> >    #define writeb_cpu(v, c)        ((void)__raw_writeb((v), (c)))
> >                                                              ^
> >    In file included from arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:60:68: 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:92:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    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:61:68: 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:93:76: 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 arch/riscv/kernel/probes/kprobes.c:3:
> >    In file included from include/linux/kprobes.h:29:
> >    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:10:
> >    In file included from ./arch/riscv/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/riscv/include/asm/io.h:149:
> >    include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
> >            return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
> >                                                      ~~~~~~~~~~ ^  
> >>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'  
> >                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,
> >                                                     ^
> >    7 warnings and 1 error generated.
> > 
> > 
> > vim +/PAGE_KERNEL_READ_EXEC +90 arch/riscv/kernel/probes/kprobes.c
> > 
> >     86	
> >     87	void *alloc_insn_page(void)
> >     88	{
> >     89		return  __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,  
> >   > 90					     GFP_KERNEL, PAGE_KERNEL_READ_EXEC,  
> >     91					     VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
> >     92					     __builtin_return_address(0));
> >     93	}
> >     94	
> > 
> > ---  
> 
> >>> arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC'  
> >                                         GFP_KERNEL, PAGE_KERNEL_READ_EXEC,  
> 
> is due to
> # CONFIG_MMU is not set
> 
> 

I have sent out patch to fix this isue:
http://lists.infradead.org/pipermail/linux-riscv/2021-May/006291.html

thanks

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-05-17 16:15 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-06 22:11 arch/riscv/kernel/probes/kprobes.c:90:22: error: use of undeclared identifier 'PAGE_KERNEL_READ_EXEC' kernel test robot
2021-05-06 22:11 ` kernel test robot
2021-05-16 19:10 ` Randy Dunlap
2021-05-16 19:10   ` Randy Dunlap
2021-05-17 14:38   ` Jisheng Zhang
2021-05-17 14:38     ` Jisheng Zhang

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.