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Subjectarch/x86/include/asm/paravirt.h:650:9: sparse: sparse: context imbalance in 'mptcp_sk_clone' - unexpected unlock
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: af7b4801030c07637840191c69eb666917e4135d
commit: 58b09919626bf9067345289212ec030c61eb1034 mptcp: create msk early
date: 3 months ago
config: x86_64-randconfig-s022-20200608 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-247-gcadbd124-dirty
git checkout 58b09919626bf9067345289212ec030c61eb1034
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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/x86/include/asm/paravirt.h:650:9: sparse: sparse: context imbalance in 'mptcp_sk_clone' - unexpected unlock

vim +/mptcp_sk_clone +650 arch/x86/include/asm/paravirt.h

f233f7f1581e78 Peter Zijlstra (Intel 2015-04-24 647)
f233f7f1581e78 Peter Zijlstra (Intel 2015-04-24 648) static __always_inline void pv_queued_spin_unlock(struct qspinlock *lock)
f233f7f1581e78 Peter Zijlstra (Intel 2015-04-24 649) {
5c83511bdb9832 Juergen Gross 2018-08-28 @650 PVOP_VCALLEE1(lock.queued_spin_unlock, lock);
f233f7f1581e78 Peter Zijlstra (Intel 2015-04-24 651) }
f233f7f1581e78 Peter Zijlstra (Intel 2015-04-24 652)

:::::: The code at line 650 was first introduced by commit
:::::: 5c83511bdb9832c86be20fb86b783356e2f58062 x86/paravirt: Use a single ops structure

:::::: TO: Juergen Gross <jgross@suse.com>
:::::: 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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