Re: ima: use of radix tree cache indexing == massive waste of memory?

2010-10-16 Thread Ingo Molnar
* Christoph Hellwig wrote: > On Sat, Oct 16, 2010 at 09:09:17PM -0400, Kyle McMartin wrote: > > > The Kconfig description sounds generally useful to me. If it's > > bloated crap, how did it get merged? > > Just like all the other crap. It's been made pretty clear that "no" > generally is not

Re: ima: use of radix tree cache indexing == massive waste of memory?

2010-10-16 Thread Ingo Molnar
* Christoph Hellwig wrote: > On Sat, Oct 16, 2010 at 02:10:29PM -0700, H. Peter Anvin wrote: > > > "Christoph Hellwig" wrote: > > > > > Besides the algorithmic problems with ima, why is kernel.org using > > > IMA to start with? Except for IBM looking for a reason to jusity > > > why TPM isn'

Re: ima: use of radix tree cache indexing == massive waste of memory?

2010-10-16 Thread Christoph Hellwig
On Sat, Oct 16, 2010 at 09:09:17PM -0400, Kyle McMartin wrote: > The Kconfig description sounds generally useful to me. If it's bloated > crap, how did it get merged? Just like all the other crap. It's been made pretty clear that "no" generally is not an answer for a merge request. Just bikeshed

Re: ima: use of radix tree cache indexing == massive waste of memory?

2010-10-16 Thread Kyle McMartin
On Sat, Oct 16, 2010 at 08:49:45PM -0400, Christoph Hellwig wrote: > On Sat, Oct 16, 2010 at 02:10:29PM -0700, H. Peter Anvin wrote: > > I'm confused ... what makes you think we are? This might have been an > > unintentional misconfiguration... > > I didn't mean to imply you enabled it intention

Re: ima: use of radix tree cache indexing == massive waste of memory?

2010-10-16 Thread Christoph Hellwig
On Sat, Oct 16, 2010 at 02:10:29PM -0700, H. Peter Anvin wrote: > I'm confused ... what makes you think we are? This might have been an > unintentional misconfiguration... I didn't mean to imply you enabled it intentionally. In fact it looks like the inode tracking in IMA is always on once it's