Subject: Re: [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system call filtering

From: Arnd Bergmann <[email-masked]>
Date: Sun, 15 May 2011 08:42:07 +0200

On Saturday 14 May 2011, Will Drewry wrote:
> Depending on integration, it could even be limited to ioctl commands
> that are appropriate to a known fd if the fd is opened prior to
> entering seccomp mode 2. Alternatively, __NR__ioctl could be allowed
> with a filter of "1" then narrowed through a later addition of
> something like "(fd == %u && (cmd == %u || cmd == %u))" or something
> along those lines.
> 
> Does that make sense?

Thanks for the explanation. This sounds like it's already doing all
we need.

	Arnd