linux-kernel - Re: [PATCH] fix the MCE poll timer logic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 5 Jun 2012 11:39:31 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Chen Gong <gong.chen@...ux.intel.com>
cc:	tony.luck@...el.com, bp@...64.org, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix the MCE poll timer logic

On Tue, 5 Jun 2012, Chen Gong wrote:

> In commit 82f7af09 (x86/mce: Cleanup timer mess), Thomas just forgot
> the "/ 2" there while cleaning up.
> 
> Signed-off-by: Chen Gong <gong.chen@...ux.intel.com>

Acked-by: Thomas Gleixner <tglx@...utronix.de>


> ---
>  arch/x86/kernel/cpu/mcheck/mce.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
> index 0a687fd..a97f3c4 100644
> --- a/arch/x86/kernel/cpu/mcheck/mce.c
> +++ b/arch/x86/kernel/cpu/mcheck/mce.c
> @@ -1274,7 +1274,7 @@ static void mce_timer_fn(unsigned long data)
>  	 */
>  	iv = __this_cpu_read(mce_next_interval);
>  	if (mce_notify_irq())
> -		iv = max(iv, (unsigned long) HZ/100);
> +		iv = max(iv / 2, (unsigned long) HZ/100);
>  	else
>  		iv = min(iv * 2, round_jiffies_relative(check_interval * HZ));
>  	__this_cpu_write(mce_next_interval, iv);
> -- 
> 1.7.10
> 
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/