Re: tcpdump: drop privileges by default?

[christos%astron.com@localhost (Christos Zoulas)]

In article <20090910012101.GA29414%NetBSD.ORG@localhost>,
Thor Lancelot Simon  <tls%panix.com@localhost> wrote:
>On Wed, Sep 09, 2009 at 09:06:14PM -0400, Elad Efrat wrote:
>>
>> Performance is something we can let people "give up on" (even more so
>> once we have numbers) -- what stability issues are you referring to
>> though? (what I mention above?)
>>
>
>The performance issues for systems with virtual caches are severe.  But
>do we even support ASLR on any systems like that?  I am less concerned
>about register pressure on x86 but we should measure -- this is a generic
>PIC/PIE issue, not anything specific to ASLR.

For VIVT systems we could copy the Windows Vista approach that randomizes
once at boot time for all libraries. What systems do we support that are
VIVT?

christos