From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh shilimkar Subject: Re: [PATCH v4 2/2] RDS: fix congestion map corruption for PAGE_SIZE > 4k Date: Fri, 8 Apr 2016 12:39:49 -0700 Message-ID: <57080905.4000506@oracle.com> References: <1460030256-16791-1-git-send-email-shamir.rabinovitch@oracle.com> <1460030256-16791-2-git-send-email-shamir.rabinovitch@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net To: Shamir Rabinovitch , rds-devel@oss.oracle.com, netdev@vger.kernel.org Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:29026 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755053AbcDHTj4 (ORCPT ); Fri, 8 Apr 2016 15:39:56 -0400 In-Reply-To: <1460030256-16791-2-git-send-email-shamir.rabinovitch@oracle.com> Sender: netdev-owner@vger.kernel.org List-ID: On 4/7/2016 4:57 AM, Shamir Rabinovitch wrote: > When PAGE_SIZE > 4k single page can contain 2 RDS fragments. If > 'rds_ib_cong_recv' ignore the RDS fragment offset in to the page it > then read the data fragment as far congestion map update and lead to > corruption of the RDS connection far congestion map. > > Signed-off-by: Shamir Rabinovitch > --- Acked-by: Santosh Shilimkar