On Sun, Jan 26, 2014 at 12:24:33PM +0000, Chris Wilson wrote: > lib/interval_tree.c provides a simple interface for an interval-tree > (an augmented red-black tree) but is only built when testing the generic > macros for building interval-trees. For drivers with modest needs, > export the simple interval-tree library as is. > > v2: Lots of help from Michel Lespinasse to only compile the code > as required: > - make INTERVAL_TREE a config option > - make INTERVAL_TREE_TEST select the library functions > and sanitize the filenames & Makefile > - prepare interval_tree for being built as a module if required > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Michel Lespinasse <walken@xxxxxxxxxx> > Cc: Rik van Riel <riel@xxxxxxxxxx> > Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> > Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > --- [snip] > diff --git a/lib/interval_tree.c b/lib/interval_tree.c > index e6eb406f2d65..e4109f624e51 100644 > --- a/lib/interval_tree.c > +++ b/lib/interval_tree.c > @@ -1,6 +1,7 @@ > #include <linux/init.h> > #include <linux/interval_tree.h> > #include <linux/interval_tree_generic.h> > +#include <linux/module.h> > > #define START(node) ((node)->start) > #define LAST(node) ((node)->last) > @@ -8,3 +9,8 @@ > INTERVAL_TREE_DEFINE(struct interval_tree_node, rb, > unsigned long, __subtree_last, > START, LAST,, interval_tree) > + > +EXPORT_SYMBOL(interval_tree_insert); > +EXPORT_SYMBOL(interval_tree_remove); > +EXPORT_SYMBOL(interval_tree_iter_first); > +EXPORT_SYMBOL(interval_tree_iter_next); Hm, I've thought kernel coding style nowadays is to put the EXPORT_SYMBOL right below the definition of the function? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
