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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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