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Message-ID: <5317D90B.3020606@linaro.org>
Date:	Thu, 06 Mar 2014 11:10:19 +0900
From:	AKASHI Takahiro <takahiro.akashi@...aro.org>
To:	Will Deacon <will.deacon@....com>
CC:	"viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
	"eparis@...hat.com" <eparis@...hat.com>,
	"rgb@...hat.com" <rgb@...hat.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	"dsaxena@...aro.org" <dsaxena@...aro.org>,
	"arndb@...db.de" <arndb@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-audit@...hat.com" <linux-audit@...hat.com>
Subject: Re: [PATCH v6 2/2] arm64: audit: Add audit hook in ptrace/syscall_trace

On 03/01/2014 01:15 AM, 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 <rgb@...hat.com>
>> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.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).
>
> Will
>

If you mean syscall_trace_enter()/exit(), I will follow your suggestion
for readability.

-Takahiro AKASHI
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