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From: Andi Kleen <ak@muc.de>
To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Cc: Andrew Morton <akpm@osdl.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86_64: Notify user of MCE events.
Date: Sun, 09 Jan 2005 17:44:54 +0100	[thread overview]
Message-ID: <m1sm5av9fd.fsf@muc.de> (raw)
In-Reply-To: <Pine.LNX.4.61.0501082121380.13639@montezuma.fsmlabs.com> (Zwane Mwaikambo's message of "Sat, 8 Jan 2005 21:29:41 -0700 (MST)")

Zwane Mwaikambo <zwane@arm.linux.org.uk> writes:

> +
> +	if (!test_and_set_bit(0, &console_logged))
> +		notify_user = 1;
>  }
>  
>  static void print_mce(struct mce *m)
> @@ -252,6 +258,12 @@ static void mcheck_timer(void *data)
>  {
>  	on_each_cpu(mcheck_check_cpu, NULL, 1, 1);
>  	schedule_delayed_work(&mcheck_work, check_interval * HZ);
> +
> +	if (notify_user && console_logged) {

Perhaps a comment here that the race is harmless? 

> +		notify_user = 0;
> +		clear_bit(0, &console_logged);
> +		printk(KERN_EMERG "Machine check exception logged, run mcelog\n");

I would drop the "run mcelog". It's misleading if mcelog is already
running in cron as it should. 

-Andi

  reply	other threads:[~2005-01-09 16:45 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-09  4:29 [PATCH] x86_64: Notify user of MCE events Zwane Mwaikambo
2005-01-09 16:44 ` Andi Kleen [this message]
2005-01-09 17:10   ` [PATCH] x86_64: Notify user of MCE events (updated) Zwane Mwaikambo
2005-01-09 18:14     ` Andi Kleen
2005-01-09 18:20       ` [PATCH] x86_64: Notify user of MCE events (updated 2) Zwane Mwaikambo
2005-01-09 18:27       ` [PATCH] x86_64: Notify user of MCE events (updated) Zwane Mwaikambo
2005-01-09 18:30       ` Andreas Steinmetz
2005-01-09 18:40         ` Andi Kleen

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