From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757165Ab1ETCIi (ORCPT ); Thu, 19 May 2011 22:08:38 -0400 Received: from gate.crashing.org ([63.228.1.57]:50771 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753406Ab1ETCIh (ORCPT ); Thu, 19 May 2011 22:08:37 -0400 Subject: Re: [bg-linux] [PATCH 5/7] [RFC] force 32-byte aligned kmallocs From: Benjamin Herrenschmidt To: Kazutomo Yoshii Cc: Eric Van Hensbergen , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, bg-linux@lists.anl-external.org In-Reply-To: <4DD5C49E.4050103@gmail.com> References: <1305753895-24845-1-git-send-email-ericvh@gmail.com> <1305753895-24845-5-git-send-email-ericvh@gmail.com> <1305851769.7481.90.camel@pasglop> <4DD5C49E.4050103@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 20 May 2011 12:08:21 +1000 Message-ID: <1305857301.7481.121.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-05-19 at 20:32 -0500, Kazutomo Yoshii wrote: > > Actually DMA sends invalidate requests to the snoop unit(L2 level). > BGP SoC is a bit different from other 4xx base. Well, some other 44x also have a snooping L2 (more or less), but L1 is usually the problem. Cheers, Ben. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C6A59B71CB for ; Fri, 20 May 2011 12:08:34 +1000 (EST) Subject: Re: [bg-linux] [PATCH 5/7] [RFC] force 32-byte aligned kmallocs From: Benjamin Herrenschmidt To: Kazutomo Yoshii In-Reply-To: <4DD5C49E.4050103@gmail.com> References: <1305753895-24845-1-git-send-email-ericvh@gmail.com> <1305753895-24845-5-git-send-email-ericvh@gmail.com> <1305851769.7481.90.camel@pasglop> <4DD5C49E.4050103@gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 20 May 2011 12:08:21 +1000 Message-ID: <1305857301.7481.121.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, bg-linux@lists.anl-external.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2011-05-19 at 20:32 -0500, Kazutomo Yoshii wrote: > > Actually DMA sends invalidate requests to the snoop unit(L2 level). > BGP SoC is a bit different from other 4xx base. Well, some other 44x also have a snooping L2 (more or less), but L1 is usually the problem. Cheers, Ben.