linux-kernel - Re: [PATCH] Update sched_domains_numa

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] [day] [month] [year] [list]

Message-ID: <50619D5B.1040101@cn.fujitsu.com>
Date:	Tue, 25 Sep 2012 20:02:35 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-numa@...r.kernel.org, wency@...fujitsu.com, mingo@...nel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] Update sched_domains_numa_masks when new cpus are onlined.

Hi Peter~

I will make a v2 patch-set following your comments
and resent it soon. :)

Thanks. :)

On 09/25/2012 07:50 PM, Peter Zijlstra wrote:
> On Tue, 2012-09-25 at 19:45 +0800, Tang Chen wrote:
>
>
>> Let's have an example here.
>>
>> sched_init_numa()
>> {
>> 	...
>> 	// A loop set sched_domains_numa_levels to level.-------------1
>>
>> 	// I set sched_domains_numa_levels to 0.
>> 	sched_domains_numa_levels = 0;--------------------------------2
>
> Ah, ok, so this 'idiot in a hurry' (aka. me) placed the hunk wrong and
> thought it was at the start of the function.
>
>> 	// A loop allocating memory for sched_domains_numa_masks[][]
>> 	for (i = 0; i<  level; i++) {
>> 		......
>> 		// Allocate memory for sched_domains_numa_masks[i]----3
>> 		......
>> 	}
>> 	......
>>
>> 	// I reset sched_domains_numa_levels to level.
>> 	sched_domains_numa_levels = level;----------------------------4
>> }
>
> Yes this makes sense, it might be best to have this as a separate patch.
> --
> 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/
>

--
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/