From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from shards.monkeyblade.net (unknown [IPv6:2001:4f8:3:36:211:85ff:fe63:a549]) by ozlabs.org (Postfix) with ESMTP id 593902C021B for ; Thu, 15 Aug 2013 18:24:07 +1000 (EST) Date: Thu, 15 Aug 2013 01:24:04 -0700 (PDT) Message-Id: <20130815.012404.1180223951215075384.davem@davemloft.net> To: divy@chelsio.com Subject: Re: [PATCH] Revert "cxgb3: Check and handle the dma mapping errors" From: David Miller In-Reply-To: <520BA8E4.3010406@chelsio.com> References: <1376471941-2914-1-git-send-email-aik@ozlabs.ru> <520BA8E4.3010406@chelsio.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Cc: santosh@chelsio.com, fenlason@redhat.com, aik@ozlabs.ru, netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Divy Le ray Date: Wed, 14 Aug 2013 08:57:24 -0700 > On 08/14/2013 02:19 AM, Alexey Kardashevskiy wrote: >> This reverts commit f83331bab149e29fa2c49cf102c0cd8c3f1ce9f9. >> >> As the tests PPC64 (powernv platform) show, IOMMU pages are leaking >> when transferring big amount of small packets (<=64 bytes), >> "ping -f" and waiting for 15 seconds is the simplest way to confirm >> the bug. >> >> Cc: Linus Torvalds >> Cc: Santosh Rastapur >> Cc: Jay Fenlason >> Cc: David S. Miller >> Cc: Divy Le ray >> Signed-off-by: Alexey Kardashevskiy > > Acked-by: Divy Le Ray Applied, thanks.