linux-kernel - Re: v2.6.21.4-rt11

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: <20070618180657.GC21037@linux.vnet.ibm.com>
Date:	Mon, 18 Jun 2007 23:36:57 +0530
From:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	Dinakar Guniguntala <dino@...ibm.com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	suresh.b.siddha@...el.com, pwil3058@...pond.net.au,
	clameter@....com, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: Re: v2.6.21.4-rt11

On Mon, Jun 18, 2007 at 08:42:15PM +0530, Srivatsa Vaddagiri wrote:
> If you don't have CONFIG_NUMA enabled,
> then we won't have cross-node (i.e cross-cpu) load balancing.

Mmm ..that is not correct. I found that disabling CONFIG_NUMA leads
to better load balance on the problem system (i.e w/o any patches
applied 2.6.22-rc4-mm2 leads to good distribution of rcu readers on all
4 cpus).

Anyway, the patch is still needed for scenarios like you originally
tested with.

-- 
Regards,
vatsa
-
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/