Re: [patch] Re: a perf_event_open() update

[Dave Jones <davej@redhat.com>]

On Sun, May 19, 2013 at 11:34:53PM -0400, Vince Weaver wrote:
 > 
 > Here's an updated patch that more or less exercises all of the 
 > perf_event_open() bits, up to around the 3.6 kernel or so.
 > 
 > The patch is standalone against current trinity git.
 > 
 > It could definitely use some review and tuning.
 > 
 > I haven't turned up any issues with it, but that's partly because in my 
 > experience (the recent exploit being an exception) perf_event bugs rarely 
 > manifest with just an open call; they usually involve 
 > reads/writes/ioctls/mmaps/signals on the fd that is opened, as well as 
 > problems after fork/exec or else on complex events made of multiple 
 > perf_event_open() calls chained together (the call can take a previously 
 > opened fd as an argument).  Testing things like this will be more 
 > difficult.

Looks ok to me. I applied it after making some whitespace changes.

thanks,

	Dave