Re: seccomp for 2.6.11-rc1-bk8

[Ingo Molnar]

* Chris Wright <chrisw@xxxxxxxx> wrote:

> * Rik van Riel (riel@xxxxxxxxxx) wrote:
> > Yes, but do you care about the performance of syscalls
> > which the program isn't allowed to call at all ? ;)
> 
> Heh, no, but it's for every syscall not just denied ones.  Point is
> simply that ptrace (complexity aside) doesn't scale the same.

seccomp is about CPU-intense calculation jobs - the only syscalls
allowed are read/write (and sigreturn). UML implements a full kernel
via ptrace and CPU-intense applications run at native speed.

	Ingo
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