Messages in this thread | | | Date | Thu, 2 Jul 2015 09:21:03 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH] tools/perf, rbtree: Add RCU wrappers to make rbtree.h usable in user-space |
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(cc'ing Rusty and lkml)
Hello,
On Wed, Jul 01, 2015 at 10:18:48PM -0500, Jon Christopherson wrote: > Hello guys, > > One last thing .. the recent commit : 02201e3f1 ("Merge tag > 'modules-next-for-linus' of > git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux") broke perf tools > compilation. I know this isnt your area, but its a simple accidental > omission of a file. Here is the needed change to correct retrieved from the > list: > > diff --git a/tools/perf/util/include/linux/rcupdate.h > b/tools/perf/util/include/linux/rcupdate.h > new file mode 100644 > index 0000000..51c0f45 > --- /dev/null > +++ b/tools/perf/util/include/linux/rcupdate.h > @@ -0,0 +1,9 @@ > +#ifndef PERF_LINUX_RCUPDATE_H_ > +#define PERF_LINUX_RCUPDATE_H_ > + > +/* Simple trivial wrappers for now, we don't use RCU in perf user-space > (yet): */ > +#define WRITE_ONCE(var, val) ((var) = (val)) > +#define rcu_assign_pointer(ptr, val) WRITE_ONCE(ptr, val) > + > +#endif > +
Rusty?
Thanks.
-- tejun
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