Re: [PATCH v5 2/3] seccomp_filters: system call filtering using BPF

From: Roland McGrath
Date: Wed Feb 01 2012 - 12:34:58 EST

On Tue, Jan 31, 2012 at 5:36 PM, Indan Zupancic <indan@xxxxxx> wrote:
>> ref:
> That's 2009! I wonder why no progress happened since then.

At that time I did most of all the CONFIG_HAVE_ARCH_TRACEHOOK work for ARM.
The ARM kernel maintainers just weren't interested in paying attention, and
I gave up on hounding them. Since then, only a subset of what I did before
has actually been done and merged. (e.g. there is now some user_regset
support, but less than what I implemented and posted originally--so for
some ARM variants there is still register information only accessible via
old ptrace calls but not in core dumps and no PTRACE_GETREGSET support.
The really trivial stuff like using tracehook_report_* still hasn't gone
in, though I posted that code back then too.)

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