From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id DF4792BD1 for ; Tue, 24 Jan 2017 16:11:28 +0100 (CET) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP; 24 Jan 2017 07:11:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,278,1477983600"; d="scan'208";a="51948552" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.38]) ([10.237.220.38]) by orsmga004.jf.intel.com with ESMTP; 24 Jan 2017 07:11:26 -0800 To: Matej Vido References: <1485254992-12545-1-git-send-email-vido@cesnet.cz> <89bf9fb7-9101-2ff4-c4bf-8075424b6165@cesnet.cz> Cc: dev@dpdk.org From: Ferruh Yigit Message-ID: Date: Tue, 24 Jan 2017 15:11:26 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <89bf9fb7-9101-2ff4-c4bf-8075424b6165@cesnet.cz> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH] net/szedata2: fix incorrect device memory access X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Jan 2017 15:11:29 -0000 On 1/24/2017 2:02 PM, Matej Vido wrote: > On 24.01.2017 12:58, Ferruh Yigit wrote: >> On 1/24/2017 10:49 AM, Matej Vido wrote: >>> Fixes: 8acba705b119 ("net/szedata2: localize handling of PCI resources") >>> >>> Signed-off-by: Matej Vido >> Unrelated from this patch, in maintainers file, you have your other mail >> address: "Matej Vido ", do you want to update it? > Hi Ferruh, > > yes, I will send the patch. >> >>> --- >>> drivers/net/szedata2/rte_eth_szedata2.h | 2 +- >>> 1 file changed, 1 insertion(+), 1 deletion(-) >>> >>> diff --git a/drivers/net/szedata2/rte_eth_szedata2.h b/drivers/net/szedata2/rte_eth_szedata2.h >>> index b58adb6..afe8a38 100644 >>> --- a/drivers/net/szedata2/rte_eth_szedata2.h >>> +++ b/drivers/net/szedata2/rte_eth_szedata2.h >>> @@ -192,7 +192,7 @@ struct szedata { >>> } >>> >>> #define SZEDATA2_PCI_RESOURCE_PTR(rsc, offset, type) \ >>> - ((type)((uint8_t *)(rsc)->addr) + (offset)) >>> + ((type)(((uint8_t *)(rsc)->addr) + (offset))) >> Although output will be same, (in all uses, type is a pointer), Of course won't be same, please forget about it J, I am confused. So these two differs a lot, taking into account that offset numbers used are big numbers (0x8000..), it should be accessing very unrelated addresses. So how this was working before? > this >> seems the intention, so: >> >> Reviewed-by: Ferruh Yigit >> >> btw, following will do same, right, not sure if it is better: >> ((type)(rsc)->addr + (offset)) > This is also wrong. The intention of the macro is to add an offset to > the base address and typecast the result. > > Regards, > Matej >> >>> >>> enum szedata2_link_speed { >>> SZEDATA2_LINK_SPEED_DEFAULT = 0, >>> >