On Fri, Feb 03, 2017 at 06:05:31AM +0900, J. R. Okajima wrote:
> Peter Zijlstra:
> > > >> kernel/locking/rwsem.c:126:2: error: implicit declaration of functi=
> on 'lock_downgrade' [-Werror=3Dimplicit-function-declaration]
> > > lock_downgrade(&sem->dep_map, _RET_IP_);
> > > ^
Peter Zijlstra:
> > >> kernel/locking/rwsem.c:126:2: error: implicit declaration of functi=
on 'lock_downgrade' [-Werror=3Dimplicit-function-declaration]
> > lock_downgrade(&sem->dep_map, _RET_IP_);
> > ^~
:::
> This is what you need !LOCKDEP stubs for ;-)
Ok, here is
On Fri, Feb 03, 2017 at 01:59:37AM +0800, kbuild test robot wrote:
> Hi Okajima,
>
> [auto build test ERROR on tip/locking/core]
> [also build test ERROR on v4.10-rc6 next-20170202]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
>
> url:
Hi Okajima,
[auto build test ERROR on tip/locking/core]
[also build test ERROR on v4.10-rc6 next-20170202]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/J-R-Okajima/lockdep-consolidate-by-new-f
The commit
f831948 2016-11-30 locking/lockdep: Provide a type check for
lock_is_held
didn't fully support rwsem. Here downgrade_write() supports the added type.
Originally-written-by: Peter Zijlstra
See-also: http://marc.info/?l=linux-kernel&m=148581164003149&w=2
Signed-off-by: J. R. Oka
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