Thread (69 messages) 69 messages, 16 authors, 2012-04-16

Re: [PATCH v17 15/15] Documentation: prctl/seccomp_filter

From: Andrew Morton <akpm@linux-foundation.org>
Date: 2012-04-06 21:26:48
Also in: linux-arch, lkml

On Thu, 29 Mar 2012 15:02:00 -0500
Will Drewry [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Documents how system call filtering using Berkeley Packet
Filter programs works and how it may be used.
Includes an example for x86 and a semi-generic
example using a macro-based code generator.


...

+Adding architecture support
+-----------------------
+
+See arch/Kconfig for the authoritative requirements.  In general, if an
+architecture supports both ptrace_event and seccomp, it will be able to
+support seccomp filter with minor fixup: SIGSYS support and seccomp return
+value checking.  Then it must just add CONFIG_HAVE_ARCH_SECCOMP_FILTER
+to its arch-specific Kconfig.
diff --git a/samples/Makefile b/samples/Makefile
index 2f75851..5ef08bb 100644
--- a/samples/Makefile
+++ b/samples/Makefile
Oh good, I was going to ask about that.

Can we get this code into tools/testing/selftests?  That way people
will run it more often and it's more likely to be maintained as the
code evolves.
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