* [linux-next:master 187/5003] arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces)
@ 2021-05-25 11:01 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-05-25 11:01 UTC (permalink / raw)
To: Al Viro; +Cc: kbuild-all, Linux Memory Management List, Rich Felker
[-- Attachment #1: Type: text/plain, Size: 4809 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 5d765451c2409e63563fa6a3e8005bd03ab9e82f
commit: b1deeeb93933d39098cf9b192ae0ac347e9bbd02 [187/5003] sh: fix trivial misannotations
config: sh-randconfig-s031-20210525 (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: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b1deeeb93933d39098cf9b192ae0ac347e9bbd02
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout b1deeeb93933d39098cf9b192ae0ac347e9bbd02
# 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__' W=1 ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned short const [noderef] __user *__gu_addr @@ got unsigned short * @@
arch/sh/kernel/traps_32.c:574:9: sparse: expected unsigned short const [noderef] __user *__gu_addr
arch/sh/kernel/traps_32.c:574:9: sparse: got unsigned short *
arch/sh/kernel/traps_32.c:563:5: sparse: sparse: symbol 'is_dsp_inst' was not declared. Should it be static?
vim +574 arch/sh/kernel/traps_32.c
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 558
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 559 #ifdef CONFIG_SH_DSP
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 560 /*
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 561 * SH-DSP support gerg@snapgear.com.
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 562 */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 563 int is_dsp_inst(struct pt_regs *regs)
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 564 {
882c12c4e1a95e5 arch/sh/kernel/traps.c Paul Mundt 2007-05-14 565 unsigned short inst = 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 566
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 567 /*
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 568 * Safe guard if DSP mode is already enabled or we're lacking
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 569 * the DSP altogether.
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 570 */
11c1965687b0a47 arch/sh/kernel/traps.c Paul Mundt 2006-12-25 571 if (!(current_cpu_data.flags & CPU_HAS_DSP) || (regs->sr & SR_DSP))
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 572 return 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 573
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 @574 get_user(inst, ((unsigned short *) regs->pc));
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 575
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 576 inst &= 0xf000;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 577
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 578 /* Check for any type of DSP or support instruction */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 579 if ((inst == 0xf000) || (inst == 0x4000))
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 580 return 1;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 581
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 582 return 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 583 }
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 584 #else
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 585 #define is_dsp_inst(regs) (0)
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 586 #endif /* CONFIG_SH_DSP */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 587
:::::: The code at line 574 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
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: 17512 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* [linux-next:master 187/5003] arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces)
@ 2021-05-25 11:01 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-05-25 11:01 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4882 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 5d765451c2409e63563fa6a3e8005bd03ab9e82f
commit: b1deeeb93933d39098cf9b192ae0ac347e9bbd02 [187/5003] sh: fix trivial misannotations
config: sh-randconfig-s031-20210525 (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: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b1deeeb93933d39098cf9b192ae0ac347e9bbd02
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout b1deeeb93933d39098cf9b192ae0ac347e9bbd02
# 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__' W=1 ARCH=sh
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned short const [noderef] __user *__gu_addr @@ got unsigned short * @@
arch/sh/kernel/traps_32.c:574:9: sparse: expected unsigned short const [noderef] __user *__gu_addr
arch/sh/kernel/traps_32.c:574:9: sparse: got unsigned short *
arch/sh/kernel/traps_32.c:563:5: sparse: sparse: symbol 'is_dsp_inst' was not declared. Should it be static?
vim +574 arch/sh/kernel/traps_32.c
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 558
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 559 #ifdef CONFIG_SH_DSP
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 560 /*
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 561 * SH-DSP support gerg(a)snapgear.com.
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 562 */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 563 int is_dsp_inst(struct pt_regs *regs)
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 564 {
882c12c4e1a95e5 arch/sh/kernel/traps.c Paul Mundt 2007-05-14 565 unsigned short inst = 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 566
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 567 /*
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 568 * Safe guard if DSP mode is already enabled or we're lacking
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 569 * the DSP altogether.
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 570 */
11c1965687b0a47 arch/sh/kernel/traps.c Paul Mundt 2006-12-25 571 if (!(current_cpu_data.flags & CPU_HAS_DSP) || (regs->sr & SR_DSP))
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 572 return 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 573
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 @574 get_user(inst, ((unsigned short *) regs->pc));
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 575
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 576 inst &= 0xf000;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 577
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 578 /* Check for any type of DSP or support instruction */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 579 if ((inst == 0xf000) || (inst == 0x4000))
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 580 return 1;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 581
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 582 return 0;
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 583 }
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 584 #else
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 585 #define is_dsp_inst(regs) (0)
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 586 #endif /* CONFIG_SH_DSP */
^1da177e4c3f415 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 587
:::::: The code at line 574 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
---
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: 17512 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-05-25 11:01 [linux-next:master 187/5003] arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces) kernel test robot
2021-05-25 11:01 ` kernel test robot
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