linux-kernel - Re: [RFC][ATCH 1/3] ptrace: Remove maxargs from task_current

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Message-ID: <CALCETrVHaxqrZLpKvjzfEo2cUmHoMXMJgYYr_tfxs3kREcREeg@mail.gmail.com>
Date:   Mon, 7 Nov 2016 15:51:32 -0800
From:   Andy Lutomirski <luto@...capital.net>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Roland McGrath <roland@...k.frob.com>,
        Oleg Nesterov <oleg@...hat.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [RFC][ATCH 1/3] ptrace: Remove maxargs from task_current_syscall()

On Mon, Nov 7, 2016 at 1:26 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> From: Steven Rostedt <rostedt@...dmis.org>
>
> task_current_syscall() has a single user that passes in 6 for maxargs, which
> is the maximum arguments that can be used to get system calls from
> syscall_get_arguments(). Instead of passing in a number of arguments to
> grab, just get 6 arguments. The args argument even specifies that it's an
> array of 6 items.
>
> This will also allow changing syscall_get_arguments() to not get a variable
> number of arguments, but always grab 6.

Reviewed-by: Andy Lutomirski <luto@...nel.org>