Messages in this thread | | | Date | Thu, 07 Dec 2006 10:32:34 +0100 | From | Brice Goglin <> | Subject | Re: sparse errors in srcu.h |
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Paul E. McKenney wrote: > On Wed, Dec 06, 2006 at 10:50:14AM +0100, Brice Goglin wrote: > >> Hi, >> >> When running sparse checks on a file that ends up including srcu.h, we >> get the following warnings: >> >> include/linux/srcu.h:52:44: error: undefined identifier 'sp' >> include/linux/srcu.h:52:44: error: bad constant expression >> include/linux/srcu.h:53:56: error: undefined identifier 'sp' >> include/linux/srcu.h:53:56: error: bad constant expression >> >> It seems to be caused by the following lines: >> >> int srcu_read_lock(struct srcu_struct *sp) __acquires(sp); >> void srcu_read_unlock(struct srcu_struct *sp, int idx) __releases(sp); >> >> which come from the following commit. >> >> commit 621934ee7ed5b073c7fd638b347e632c53572761 >> Author: Paul E. McKenney <paulmck@us.ibm.com> >> Date: Wed Oct 4 02:17:02 2006 -0700 >> >> [PATCH] srcu-3: RCU variant permitting read-side blocking >> >> >> I was wondering if there is a way to fix those errors... >> > > I believe that you need to update your version of sparse to 0.1. > See http://lwn.net/Articles/208312/ for more info. > > Thanx, Paul >
Right, thanks, I had an old version hidden in /usr/local, works fine now.
Brice
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