linux-kernel - Re: kgdb: add kgdb internal test suite

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Message-Id: <20080418152043.5beea7b2.akpm@linux-foundation.org>
Date:	Fri, 18 Apr 2008 15:20:43 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>,
	Jason Wessel <jason.wessel@...driver.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: kgdb: add kgdb internal test suite

On Fri, 18 Apr 2008 19:00:48 GMT
Linux Kernel Mailing List <linux-kernel@...r.kernel.org> wrote:

> Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e8d31c204e36e019b9134f2a11926cac0fcf9b19
> Commit:     e8d31c204e36e019b9134f2a11926cac0fcf9b19
> Parent:     737a460f21febe551ff1d2299b63bae9b154078f
> Author:     Jason Wessel <jason.wessel@...driver.com>
> AuthorDate: Fri Mar 7 16:34:17 2008 -0600
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Thu Apr 17 20:05:42 2008 +0200
> 
>     kgdb: add kgdb internal test suite
>
> ...
>
> +static const char hexchars[] = "0123456789abcdef";

42!  That's a great place to stop.

> +static char get_buf[BUFMAX];

This really needs to be renamed.

> +	int (*run_test) (int, int);
> +	int (*validate_put) (char *);
> +};
> +
> +static struct test_state ts;
> +
> +static int kgdbts_unreg_thread(void *ptr)
> +{
> +	/* Wait until the tests are complete and then ungresiter the I/O
> +	 * driver.
> +	 */
> +	while (!final_ack)
> +		msleep_interruptible(1500);

Why 1.5 seconds?  Seems like a pointless wats of time - can we use just 1
here?

> +#ifdef CONFIG_X86

btw, is the selftest code known to work on any other architectures?



afacit pretty much all of this code could/should be __init, but isn't?
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