Nuno Monteiro wrote:
> 
> Hi all,
> 
> 
> Just pulled latest bk of 2.4 and it appears to be broken. The recent  
> rwsem race fixes seem to be the culprit (see  
> http://linux.bkbits.net:8080/linux-2.4/cset@40cee86dCLGhZc1lEOWZV6K7FysQlw?nav=index.html| 
> ChangeSet@-1d). Reversing it fixes the problem.
> 

Sorry, that was stupid of me.

Does the attached patch look acceptable? In particular, should
task_lock be used in this manner? (ie. to guarantee the task doesn't
go away).