linux-kernel - Re: [patch 7/8] process filtering for fault-injection capabilities

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Message-ID: <20060919090508.GC24271@miraclelinux.com>
Date:	Tue, 19 Sep 2006 17:05:08 +0800
From:	Akinobu Mita <mita@...aclelinux.com>
To:	Don Mullis <dwm@...r.net>
Cc:	linux-kernel@...r.kernel.org, ak@...e.de, akpm@...l.org
Subject: Re: [patch 7/8] process filtering for fault-injection capabilities

On Mon, Sep 18, 2006 at 10:54:51PM -0700, Don Mullis wrote:
> Add functionality to the process_filter variable: A negative argument
> injects failures for only for pid==-process_filter, thereby permitting
> per-process failures from boot time.
> 

Is it better to add new filter for this purpose?
Because someone may want to filter by tgid instead of pid.

- positive value is for task->pid
- nevative value is for task->tgid

> Add printk, called upon each failure injection.
> 

This printk() will be very useful. But it is better to make
configurable, and the pid is not reliable in interrupt context.

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