Messages in this thread | | | Date | Tue, 14 Aug 2018 13:24:53 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH RFC] Make call_srcu() available during very early boot |
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On Tue, 14 Aug 2018 10:06:18 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> > > #define __SRCU_STRUCT_INIT(name, pcpu_name) \ > > > - { \ > > > - .sda = &pcpu_name, \ > > > - .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ > > > - .srcu_gp_seq_needed = 0 - 1, \ > > > - __SRCU_DEP_MAP_INIT(name) \ > > > - } > > > +{ \ > > > + .sda = &pcpu_name, \ > > > + .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ > > > + .srcu_gp_seq_needed = 0 - 1, \ > > > > Interesting initialization of -1. This was there before, but still > > interesting none the less. > > If I recall correctly, this subterfuge suppresses compiler complaints > about initializing an unsigned long with a negative number. :-/
Did you try:
.srcu_gp_seq_needed = -1UL,
?
-- Steve
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