tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3fb6d0e00efc958d01c2f109c8453033a2d96796 commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr() date: 6 months ago config: sh-randconfig-s031-20210227 (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-241-geaceeafa-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
"sparse warnings: (new ones prefixed by >>)"
arch/sh/kernel/ftrace.c:50:9: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
__iomem *ptr @@ got unsigned char * @@
arch/sh/kernel/ftrace.c:50:9: sparse: expected void const volatile
[noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:50:9: sparse: got unsigned char *
arch/sh/kernel/ftrace.c:57:9: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
__iomem *ptr @@ got unsigned char * @@
arch/sh/kernel/ftrace.c:57:9: sparse: expected void const volatile
[noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:57:9: sparse: got unsigned char *
>> arch/sh/kernel/ftrace.c:274:25: sparse: sparse: incorrect type in argument 1
>> (different address spaces) @@ expected void const volatile [noderef]
>> __iomem *ptr @@ got unsigned long * @@
arch/sh/kernel/ftrace.c:274:25: sparse: expected void const volatile
[noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:274:25: sparse: got unsigned long *
>> arch/sh/kernel/ftrace.c:277:9: sparse: sparse: incorrect type in argument 1
>> (different base types) @@ expected void const volatile [noderef] __iomem
>> *ptr @@ got unsigned long ip @@
arch/sh/kernel/ftrace.c:277:9: sparse: expected void const volatile
[noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:277:9: sparse: got unsigned long ip
arch/sh/kernel/ftrace.c:368:17: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void const volatile [noderef]
__iomem *ptr @@ got unsigned long *parent @@
arch/sh/kernel/ftrace.c:368:17: sparse: expected void const volatile
[noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:368:17: sparse: got unsigned long *parent
vim +274 arch/sh/kernel/ftrace.c
327933f5d6cdf0 Matt Fleming 2009-07-11 265
327933f5d6cdf0 Matt Fleming 2009-07-11 266 static int
ftrace_mod(unsigned long ip, unsigned long old_addr,
327933f5d6cdf0 Matt Fleming 2009-07-11 267 unsigned
long new_addr)
327933f5d6cdf0 Matt Fleming 2009-07-11 268 {
327933f5d6cdf0 Matt Fleming 2009-07-11 269 unsigned char
code[MCOUNT_INSN_SIZE];
327933f5d6cdf0 Matt Fleming 2009-07-11 270
fe557319aa06c2 Christoph Hellwig 2020-06-17 271 if
(copy_from_kernel_nofault(code, (void *)ip, MCOUNT_INSN_SIZE))
327933f5d6cdf0 Matt Fleming 2009-07-11 272 return -EFAULT;
327933f5d6cdf0 Matt Fleming 2009-07-11 273
327933f5d6cdf0 Matt Fleming 2009-07-11 @274 if (old_addr !=
__raw_readl((unsigned long *)code))
327933f5d6cdf0 Matt Fleming 2009-07-11 275 return -EINVAL;
327933f5d6cdf0 Matt Fleming 2009-07-11 276
327933f5d6cdf0 Matt Fleming 2009-07-11 @277 __raw_writel(new_addr,
ip);
327933f5d6cdf0 Matt Fleming 2009-07-11 278 return 0;
327933f5d6cdf0 Matt Fleming 2009-07-11 279 }
327933f5d6cdf0 Matt Fleming 2009-07-11 280
:::::: The code at line 274 was first introduced by commit
:::::: 327933f5d6cdf083284d3c06e0370d1de464aef4 sh: Function graph tracer
support
:::::: TO: Matt Fleming <m...@console-pimps.org>
:::::: CC: Paul Mundt <let...@linux-sh.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
