More investigation reveals this: (from common.o which is output of gcc -E) # 1 "./uinclude/linux/linkage.h" 1
pwd is: linux/tools/lib/lockdep $ cat ./uinclude/linux/linkage.h /* empty file */ Have nice day Robin Hack On Tue, Apr 01, 2014 at 10:02:58AM +0200, Robin Hack wrote: > Hi. > > I have same issue. > > I investigated output of gcc -E and I found that asmlinkage macro isn't > expanded as is expected. > > $ grep asmlinkage common.o > asmlinkage extern void lockdep_sys_exit(void); > > On Tue, Apr 01, 2014 at 06:04:35AM +0000, Eunbong Song wrote: > > > > There is tools/liblockdep build failure. > > I have been trying to find the cause and i found commit id > > 63f9a7fde715352e0769302527670542a664b981 is the casue. > > > > Author: Andi Kleen <a...@linux.intel.com> > > Date: Sat Feb 8 08:52:01 2014 +0100 > > > > asmlinkage: Make lockdep_sys_exit asmlinkage > > > > lockdep_sys_exit can be called from assembler code, so make it > > asmlinkage. > > > > Cc: Peter Zijlstra <pet...@infradead.org> > > Cc: Ingo Molnar <mi...@kernel.org> > > Signed-off-by: Andi Kleen <a...@linux.intel.com> > > Link: > > http://lkml.kernel.org/r/1391845930-28580-5-git-send-email...@linux.intel.com > > Signed-off-by: H. Peter Anvin <h...@linux.intel.com> > > > > diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h > > index 92b1bfc..7df9aa6 100644 > > --- a/include/linux/lockdep.h > > +++ b/include/linux/lockdep.h > > @@ -265,7 +265,7 @@ extern void lockdep_info(void); > > extern void lockdep_reset(void); > > extern void lockdep_reset_lock(struct lockdep_map *lock); > > extern void lockdep_free_key_range(void *start, unsigned long size); > > -extern void lockdep_sys_exit(void); > > +extern asmlinkage void lockdep_sys_exit(void); > > > > extern void lockdep_off(void); > > extern void lockdep_on(void); > > diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c > > index eb8a547..c8b6753 100644 > > --- a/kernel/locking/lockdep.c > > +++ b/kernel/locking/lockdep.c > > @@ -4191,7 +4191,7 @@ void debug_show_held_locks(struct task_struct *task) > > } > > EXPORT_SYMBOL_GPL(debug_show_held_locks); > > > > -void lockdep_sys_exit(void) > > +asmlinkage void lockdep_sys_exit(void) > > { > > struct task_struct *curr = current; > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
