From: kernel test robot <lkp@intel.com>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'reset_queues' - unexpected unlock
Date: Wed, 26 Aug 2020 18:22:57 +0800 [thread overview]
Message-ID: <202008261844.IO3X8mOH%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2ac69819ba9e3d8d550bb5d2d2df74848e556812
commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH
date: 10 months ago
config: powerpc-randconfig-s032-20200826 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-191-g10164920-dirty
git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc
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 >>)
drivers/usb/gadget/udc/fsl_udc_core.c:71:33: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] wMaxPacketSize @@ got int @@
drivers/usb/gadget/udc/fsl_udc_core.c:71:33: sparse: expected restricted __le16 [usertype] wMaxPacketSize
drivers/usb/gadget/udc/fsl_udc_core.c:71:33: sparse: got int
drivers/usb/gadget/udc/fsl_udc_core.c:512:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] max_pkt_length @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:512:30: sparse: expected unsigned int [usertype] max_pkt_length
drivers/usb/gadget/udc/fsl_udc_core.c:512:30: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:707:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] next_dtd_ptr @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:707:26: sparse: expected unsigned int [usertype] next_dtd_ptr
drivers/usb/gadget/udc/fsl_udc_core.c:707:26: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:711:30: sparse: sparse: invalid assignment: &=
drivers/usb/gadget/udc/fsl_udc_core.c:711:30: sparse: left side has type unsigned int
drivers/usb/gadget/udc/fsl_udc_core.c:711:30: sparse: right side has type restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:739:44: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] next_td_ptr @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:739:44: sparse: expected unsigned int [usertype] next_td_ptr
drivers/usb/gadget/udc/fsl_udc_core.c:739:44: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:790:21: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:792:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] size_ioc_sts @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:792:27: sparse: expected unsigned int [usertype] size_ioc_sts
drivers/usb/gadget/udc/fsl_udc_core.c:792:27: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:796:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] buff_ptr0 @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:796:24: sparse: expected unsigned int [usertype] buff_ptr0
drivers/usb/gadget/udc/fsl_udc_core.c:796:24: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:797:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] buff_ptr1 @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:797:24: sparse: expected unsigned int [usertype] buff_ptr1
drivers/usb/gadget/udc/fsl_udc_core.c:797:24: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:798:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] buff_ptr2 @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:798:24: sparse: expected unsigned int [usertype] buff_ptr2
drivers/usb/gadget/udc/fsl_udc_core.c:798:24: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:799:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] buff_ptr3 @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:799:24: sparse: expected unsigned int [usertype] buff_ptr3
drivers/usb/gadget/udc/fsl_udc_core.c:799:24: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:800:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] buff_ptr4 @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:800:24: sparse: expected unsigned int [usertype] buff_ptr4
drivers/usb/gadget/udc/fsl_udc_core.c:800:24: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:824:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] size_ioc_sts @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:824:27: sparse: expected unsigned int [usertype] size_ioc_sts
drivers/usb/gadget/udc/fsl_udc_core.c:824:27: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:851:47: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] next_td_ptr @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:851:47: sparse: expected unsigned int [usertype] next_td_ptr
drivers/usb/gadget/udc/fsl_udc_core.c:851:47: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:859:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] next_td_ptr @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:859:26: sparse: expected unsigned int [usertype] next_td_ptr
drivers/usb/gadget/udc/fsl_udc_core.c:859:26: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:1365:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] @@ got restricted __le16 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:1365:33: sparse: expected unsigned short [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:1365:33: sparse: got restricted __le16 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1581:32: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1582:30: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1609:37: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1614:26: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1619:39: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1621:59: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] size_ioc_int_sts @@ got restricted __le32 [usertype] @@
drivers/usb/gadget/udc/fsl_udc_core.c:1621:59: sparse: expected unsigned int [usertype] size_ioc_int_sts
drivers/usb/gadget/udc/fsl_udc_core.c:1621:59: sparse: got restricted __le32 [usertype]
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:1639:28: sparse: sparse: cast to restricted __le32
drivers/usb/gadget/udc/fsl_udc_core.c:2426:33: sparse: sparse: cast removes address space '<asn:2>' of expression
drivers/usb/gadget/udc/fsl_udc_core.c:2426:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct usb_sys_interface [noderef] <asn:2> *static [toplevel] usb_sys_regs @@ got void * @@
drivers/usb/gadget/udc/fsl_udc_core.c:2426:30: sparse: expected struct usb_sys_interface [noderef] <asn:2> *static [toplevel] usb_sys_regs
drivers/usb/gadget/udc/fsl_udc_core.c:2426:30: sparse: got void *
drivers/usb/gadget/udc/fsl_udc_core.c: note: in included file (through include/linux/seqlock.h, include/linux/time.h, include/linux/stat.h, ...):
>> include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'reset_queues' - unexpected unlock
drivers/usb/gadget/udc/fsl_udc_core.c:2161:27: sparse: sparse: dereference of noderef expression
drivers/usb/gadget/udc/fsl_udc_core.c:2164:27: sparse: sparse: dereference of noderef expression
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=80591e61a0f7e88deaada69844e4a31280c4a38f
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
vim +/reset_queues +378 include/linux/spinlock.h
c2f21ce2e31286a Thomas Gleixner 2009-12-02 375
3490565b633c705 Denys Vlasenko 2015-07-13 376 static __always_inline void spin_unlock(spinlock_t *lock)
c2f21ce2e31286a Thomas Gleixner 2009-12-02 377 {
c2f21ce2e31286a Thomas Gleixner 2009-12-02 @378 raw_spin_unlock(&lock->rlock);
c2f21ce2e31286a Thomas Gleixner 2009-12-02 379 }
c2f21ce2e31286a Thomas Gleixner 2009-12-02 380
:::::: The code at line 378 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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