linux-kernel - Re: too many timer retries happen when do local timer swtich with broadcast timer

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]

Message-ID: <51263975.20906@ti.com>
Date:	Thu, 21 Feb 2013 20:42:53 +0530
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Jason Liu <liu.h.jason@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: too many timer retries happen when do local timer swtich with
 broadcast timer

Thomas,

On Thursday 21 February 2013 07:18 PM, Thomas Gleixner wrote:
> Jason,
>
> On Thu, 21 Feb 2013, Jason Liu wrote:
>> 2013/2/21 Thomas Gleixner <tglx@...utronix.de>:
>>> Now your explanation makes sense.
>>>
>>> I have no fast solution for this, but I think that I have an idea how
>>> to fix it. Stay tuned.
>>
>> Thanks Thomas, wait for your fix. :)
>
> find below a completely untested patch, which should address that issue.
>
After looking at the thread, I tried to see the issue on OMAP and could
see the same issue as Jason.

Your patch fixes the retries on both CPUs on my dual core machine. So
you use my tested by if you need one.
Tested-by: Santosh Shilimkar <santosh.shilimkar@...com>

Thanks for the patch.
And thanks to Jason for spotting the issue.

Regards,
Santosh

--
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/