From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9BC3CA0487 for ; Fri, 5 Jul 2019 01:01:52 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5D3AA1B94F; Fri, 5 Jul 2019 01:01:51 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id AF7D41B946; Fri, 5 Jul 2019 01:01:49 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jul 2019 16:01:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,452,1557212400"; d="scan'208";a="172514821" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.251.95.142]) ([10.251.95.142]) by FMSMGA003.fm.intel.com with ESMTP; 04 Jul 2019 16:01:46 -0700 To: "Iremonger, Bernard" , "Wang, Haiyue" , "Ye, Xiaolong" Cc: "dev@dpdk.org" , "stable@dpdk.org" References: <1561459083-29808-1-git-send-email-haiyue.wang@intel.com> <20190702130043.GA86373@intel.com> <8CEF83825BEC744B83065625E567D7C260DC1484@IRSMSX108.ger.corp.intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <8CEF83825BEC744B83065625E567D7C260DC1484@IRSMSX108.ger.corp.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v2] app/testpmd: fix setting RSS queue rule failure on fedora30 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/3/2019 4:23 PM, Iremonger, Bernard wrote: > > >>> Subject: Re: [dpdk-dev] [PATCH v2] app/testpmd: fix setting RSS queue >>> rule failure on fedora30 >>> >>> On 06/25, Haiyue Wang wrote: >>>> Declare a local variable 'arg' to hold the pointer to ARGS_ENTRY_ARB, >>>> otherwise, the pop 'arg' in 'parse_int' holds wrong data like 'arg-> >>>> offset = 5912737, arg->size = 0', this caused the parse failure. >>>> >>>> If calling like 'push_args(ctx, ARGS_ENTRY_ARB..)', the below code >>>> for assgining 'offset & size' will be missed for some gcc optimization. >>>> >>>> parse_vc_action_rss_queue >>>> 29c5: c5 f9 ef c0 vpxor %xmm0,%xmm0,%xmm0 >>>> 29c9: 43 8d 44 24 68 lea 0x68(%r12,%r12,1),%eax >>>> 29ce: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) >>>> 29d5: 00 00 >>>> 29d7: c5 f8 29 44 24 10 vmovaps %xmm0,0x10(%rsp) >>>> 29dd: 89 44 24 18 mov %eax,0x18(%rsp) >>>> 29e1: 48 63 83 0c 01 00 00 movslq 0x10c(%rbx),%rax >>>> 29e8: c7 44 24 1c 02 00 00 movl $0x2,0x1c(%rsp) >>>> 29ef: 00 >>>> 29f0: c5 f8 29 04 24 vmovaps %xmm0,(%rsp) >>>> >>>> The above assembly code is from this modification with: >>>> gcc version 9.1.1 20190503 (Red Hat 9.1.1-1) (GCC) >>>> Fedora release 30 (Thirty) >>>> 5.1.11-300.fc30.x86_64 >>> >>> Do you mean without your patch, the above assembly code (for assgining >>> offset & size) is missing, after apply this patch, it would show up? >>> >> Yes. >>>> >>>> Fixes: d0ad8648b1c5 ("app/testpmd: fix RSS flow action >>>> configuration") >>>> Cc: stable@dpdk.org >>>> >>>> Signed-off-by: Haiyue Wang > > > Reviewed-by: Xiaolong Ye > Acked-by: Bernard Iremonge > Applied to dpdk-next-net/master, thanks.