linux-kernel - Re: [this_cpu_xx V4 11/20] RCU: Use this

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: <4AC72CEE.4010705@kernel.org>
Date:	Sat, 03 Oct 2009 19:52:30 +0900
From:	Tejun Heo <tj@...nel.org>
To:	cl@...ux-foundation.org
CC:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, mingo@...e.hu,
	rusty@...tcorp.com.au, Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [this_cpu_xx V4 11/20] RCU: Use this_cpu operations

cl@...ux-foundation.org wrote:
> RCU does not do dynamic allocations but it increments per cpu variables
> a lot. These instructions results in a move to a register and then back
> to memory. This patch will make it use the inc/dec instructions on x86
> that do not need a register.
> 
> Acked-by: Tejun Heo <tj@...nel.org>
> Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> Signed-off-by: Christoph Lameter <cl@...ux-foundation.org>

Patch titles slightly cleaned up and 0001-0011 are committed and
published to percpu#for-next.

Thanks.

-- 
tejun
--
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/