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 <[EMAIL PROTECTED]> > 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/