On Mon, 2005-06-27 at 09:09 -0400, Jon Smirl wrote: > On 6/27/05, Vladimir Dergachev <[EMAIL PROTECTED]> wrote: > > > And something I've wondered about for a while: > > > - Is the __user annotation supposed to mean "this is a value from > > > userland that should be checked for use" or "this is a pointer to > > > somewhere in userland that needs to be copy_from_usered before use?" > > > > No idea, someone else should comment on this.. > > The _user is an annotation for Linus' sparse tool. An explanation of it is > here: > http://www.linuxjournal.com/article/7272 > > The checker source is here now: > cg-clone rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/sparse.git > > DRM fails sparse checking with 1000's of errors. Most of the failures > are because DRM has unioned iomem address space pointers with ones to > system memory. That is probably something that should be fixed in DRM. > You can do that on the x86 but it doesn't work on all architectures.
Ah, ok, it is an annotation of "this is userspace." Yow, things are dirty. -- Eric Anholt [EMAIL PROTECTED] http://people.freebsd.org/~anholt/ [EMAIL PROTECTED] ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
