Messages in this thread | | | Date | Wed, 12 Jun 2002 20:20:48 -0400 (EDT) | From | Alexander Viro <> | Subject | Re: [CHECKER] 37 stack variables >= 1K in 2.4.17 |
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On Wed, 12 Jun 2002, Benjamin LaHaise wrote:
> On Wed, Jun 12, 2002 at 06:26:55PM -0400, Alexander Viro wrote: > > Not realistic - we have a recursion through the ->follow_link(), and > > a lot of stuff can be called from ->follow_link(). We _do_ have a > > limit on depth of recursion here, but it won't be fun to deal with. > > Perfection isn't what I'm looking for, rather just an approximation. > Any tool would have to give up on non-trivial recursion, or have
... in which case it will be useless - anything callable from path_walk() will be out of its scope and that's a fairly large part of VFS, filesystems, VM and upper halves of block devices.
> additional rules imposed on the system. Checker seems to be growing > functionality in this area, so it seems like a useful feature request.
Just be careful with that loop - (mutual) recursion through ->follow_link() must be special-cased if you want anything interesting to come out of that.
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