[yocto] Fwd: preempt-rt for 4.14.71 fails to build

[Bruce Ashfield]

Check the list. It never came through. You need to be a subscriber
and would have received a bounce message.

I know that, since I got the bounce as the list admin :D

Bruce

On 2018-10-10 4:03 PM, Dimitris Tassopoulos wrote:
> I've already send this to that list a few days ago, but since I didn't 
> got any reply there I've also asked here in case that someone else 
> shares the same experience.
> 
> Dimitris
> 
> On Wed, 10 Oct 2018, 21:48 Bruce Ashfield, <bruce.ashfield at windriver.com 
> <mailto:bruce.ashfield at windriver.com>> wrote:
> 
>     On 2018-10-10 2:18 PM, Dimitris Tassopoulos wrote:
>      > Hi all!
>      >
>      > I've tried to build the latest preempt-rt kernel from the
>      > `v4.14/standard/preempt-rt/base`
>      > and it fails to build. These are the hashes I've used:
>      >
> 
>     This should go to the linux-yocto list, since that's where
>     people interested in the linux-yocto kernel variants will
>     notice it.
> 
>     In this case, there was a bad merge. If you check the
>     preempt-rt branches of 4.14 there's a fix queued, but I
>     haven't sent SRCREV updates yet.
> 
>     Bruce
> 
>      > ```
>      > LINUX_VERSION = "4.14.71"
>      > SRCREV_machine = "c37a14708f5b618602f84f83f902346e055824c3"
>      > SRCREV_meta = "1fb0b0379fb5883ce5af7485374e3f78ee4272d3"
>      > ```
>      >
>      > And the errors I get are:
>      > ```
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:
> 
>      > In function '__rt_mutex_lock':
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:2044:48:
> 
>      > error: passing argument 3 of 'rt_mutex_fastlock' from incompatible
>      > pointer type [-Werror=incompatible-pointer-types]
>      >    rt_mutex_fastlock(lock, TASK_UNINTERRUPTIBLE, rt_mutex_slowlock);
>      >                                                  ^~~~~~~~~~~~~~~~~
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:1935:1:
> 
>      > note: expected 'struct ww_acquire_ctx *' but argument is of type
>     'int
>      > (*)(struct rt_mutex *, int,  struct hrtimer_sleeper *, enum
>      > rtmutex_chainwalk,  struct ww_acquire_ctx *)'
>      >   rt_mutex_fastlock(struct rt_mutex *lock, int state,
>      >   ^~~~~~~~~~~~~~~~~
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:2044:2:
> 
>      > error: too few arguments to function 'rt_mutex_fastlock'
>      >    rt_mutex_fastlock(lock, TASK_UNINTERRUPTIBLE, rt_mutex_slowlock);
>      >    ^~~~~~~~~~~~~~~~~
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:1935:1:
> 
>      > note: declared here
>      >   rt_mutex_fastlock(struct rt_mutex *lock, int state,
>      >   ^~~~~~~~~~~~~~~~~
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:
> 
>      > In function 'rt_mutex_lock':
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:2069:2:
> 
>      > error: too many arguments to function 'rt_mutex_lock_state'
>      >    rt_mutex_lock_state(lock, TASK_UNINTERRUPTIBLE, 0);
>      >    ^~~~~~~~~~~~~~~~~~~
>      >
>     /rnd/yocto/nativeos/build/tmp/work-shared/congatec/kernel-source/kernel/locking/rtmutex.c:2028:20:
> 
>      > note: declared here
>      >   static int __sched rt_mutex_lock_state(struct rt_mutex *lock,
>     int state)
>      > ```
>      >
>      > Is there any change that the latest rt44 patches are nor applied?
>      >
>      > Thanks!
>      > Dimitris
>      >
>      >
>