linux-kernel - Re: Missing put_cpu() in arch/ia64/sn/kernel/sn2/sn

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:	Thu, 11 Aug 2011 08:12:45 +0200
From:	Jes Sorensen <Jes.Sorensen@...hat.com>
To:	Tony Luck <tony.luck@...el.com>
CC:	Thomas Meyer <thomas@...3r.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Julia Lawall <julia@...u.dk>
Subject: Re: Missing put_cpu() in arch/ia64/sn/kernel/sn2/sn_hwperf.c?

On 08/08/11 23:37, Tony Luck wrote:
> On Mon, Aug 8, 2011 at 11:05 AM, Thomas Meyer <thomas@...3r.de> wrote:
>> The function sn_hwperf_op_cpu() seems to miss a corresponding put_cpu().
>>
>> Or is this done in another function? I didn't find it.
> 
> It would be hard to do it elsewhere - this function may not have done
> a get_cpu() [in the cpu == SN_HWPERF_ARG_ANY_CPU case].
> 
> The logic is a bit tortuous here ... perhaps simpler to split the tests
> up.  Does the attached patch look right?

Hi Tony,

You probably want someone from SGI to look at it, so I'll forward to
Robin Holt.

I haven't been at SGI for about 2 years now :)

Cheers,
Jes
--
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/