On 14/02/28, Will Deacon wrote:
> On Fri, Feb 28, 2014 at 05:17:15AM +0000, AKASHI Takahiro wrote:
> > This patch adds auditing functions on entry to or exit from
> > every system call invocation.
> > 
> > Acked-by: Richard Guy Briggs <r...@redhat.com>
> > Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
> > ---
> >  arch/arm64/kernel/ptrace.c |   54 
> > ++++++++++++++++++++++++++------------------
> >  1 file changed, 32 insertions(+), 22 deletions(-)
> 
> I think you need to do something like I did for arch/arm/, where we have
> separate trace functions for entry/exit to make sure that we invoke the
> various helpers in the correct order (for example, you want to invoke all
> the debug stuff *first* on entry, but *last* on exit).

I'd have to agree.  I've just had my head deep in audit_syscall_entry()
and syscall_get_arch to clean them up.  Since current is only ever fed
to syscall_get_arch() and regs is never used by syscall_get_arch(), I'm
looking at dropping both from the syscall_get_arch() args list, but
leave syscall_get_arch() as you have it for now.

> Will

- RGB

--
Richard Guy Briggs <rbri...@redhat.com>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red 
Hat
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