Re: arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h

From	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups	linux.kernel
Subject	Re: arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h
Date	2015-06-16 02:30 +0200
Message-ID	<pBMVj-2Nv-3@gated-at.bofh.it> (permalink)
References	<pBMLD-2Cj-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, Jun 15, 2015 at 05:11:16PM -0700, Jim Davis wrote:
> Just an FYI, but with next-20150615 (and I think some previous days too IIRC),
> 
> In file included from include/linux/rcupdate.h:429:0,
>                  from include/linux/srcu.h:33,
>                  from include/linux/notifier.h:15,
>                  from include/linux/memory_hotplug.h:6,
>                  from include/linux/mmzone.h:797,
>                  from include/linux/gfp.h:5,
>                  from include/linux/kmod.h:22,
>                  from include/linux/module.h:13,
>                  from kernel/rcu/rcutorture.c:28:
> include/linux/rcutiny.h: In function ‘rcu_barrier_sched’:
> include/linux/rcutiny.h:55:20: internal compiler error: Segmentation fault
>  static inline void rcu_barrier_sched(void)
>                     ^
> 
> That's with a random configuration file setting

I presume that you are reporting it to the gcc guys as well?  If nothing
else, for the obtuseness of the error message?

							Thanx, Paul

> # RCU Subsystem
> CONFIG_TINY_RCU=y
> CONFIG_RCU_EXPERT=y
> CONFIG_SRCU=y
> CONFIG_TASKS_RCU=y
> CONFIG_RCU_STALL_COMMON=y
> # CONFIG_TREE_RCU_TRACE is not set
> CONFIG_RCU_KTHREAD_PRIO=0
> # CONFIG_RCU_EXPEDITE_BOOT is not set
> # RCU Debugging
> CONFIG_PROVE_RCU=y
> CONFIG_PROVE_RCU_REPEATEDLY=y
> CONFIG_SPARSE_RCU_POINTER=y
> CONFIG_RCU_TORTURE_TEST=m
> # CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT is not set
> # CONFIG_RCU_TORTURE_TEST_SLOW_INIT is not set
> # CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP is not set
> CONFIG_RCU_CPU_STALL_TIMEOUT=21
> CONFIG_RCU_TRACE=y
> # CONFIG_RCU_EQS_DEBUG is not set
> 
> Jim
> 

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arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h Jim Davis <jim.epost@gmail.com> - 2015-06-16 02:20 +0200
  Re: arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h Josh Triplett <josh@joshtriplett.org> - 2015-06-16 02:30 +0200
  Re: arch linux with gcc 5.1.0 doesn't like include/linux/rcutiny.h "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-06-16 02:30 +0200

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