From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id B9E627CEF; Tue, 23 Jan 2018 14:16:52 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id B96D8BC006B; Tue, 23 Jan 2018 13:16:51 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Tue, 23 Jan 2018 05:16:49 -0800 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1044.25 via Frontend Transport; Tue, 23 Jan 2018 05:16:48 -0800 Received: from uklogin.uk.solarflarecom.com (uklogin.uk.solarflarecom.com [10.17.10.10]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w0NDGlsl006394; Tue, 23 Jan 2018 13:16:47 GMT Received: from uklogin.uk.solarflarecom.com (localhost.localdomain [127.0.0.1]) by uklogin.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w0NDGlea010689; Tue, 23 Jan 2018 13:16:47 GMT From: Andrew Rybchenko To: CC: Olivier Matz , Date: Tue, 23 Jan 2018 13:15:56 +0000 Message-ID: <1516713372-10572-2-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.2.3 In-Reply-To: <1516713372-10572-1-git-send-email-arybchenko@solarflare.com> References: <1511539591-20966-1-git-send-email-arybchenko@solarflare.com> <1516713372-10572-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-MDID: 1516713411-NS2dUbdYnihk Subject: [dpdk-stable] [RFC v2 01/17] mempool: fix phys contig check if populate default skipped X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Jan 2018 13:16:53 -0000 There is not specified dependency between rte_mempool_populate_default() and rte_mempool_populate_iova(). So, the second should not rely on the fact that the first adds capability flags to the mempool flags. Fixes: 65cf769f5e6a ("mempool: detect physical contiguous objects") Cc: stable@dpdk.org Signed-off-by: Andrew Rybchenko --- lib/librte_mempool/rte_mempool.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c index 6d17022..e783b9a 100644 --- a/lib/librte_mempool/rte_mempool.c +++ b/lib/librte_mempool/rte_mempool.c @@ -362,6 +362,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, void *opaque) { unsigned total_elt_sz; + unsigned int mp_cap_flags; unsigned i = 0; size_t off; struct rte_mempool_memhdr *memhdr; @@ -386,8 +387,14 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size; + /* Get mempool capabilities */ + mp_cap_flags = 0; + ret = rte_mempool_ops_get_capabilities(mp, &mp_cap_flags); + if ((ret < 0) && (ret != -ENOTSUP)) + return ret; + /* Detect pool area has sufficient space for elements */ - if (mp->flags & MEMPOOL_F_CAPA_PHYS_CONTIG) { + if (mp_cap_flags & MEMPOOL_F_CAPA_PHYS_CONTIG) { if (len < total_elt_sz * mp->size) { RTE_LOG(ERR, MEMPOOL, "pool area %" PRIx64 " not enough\n", @@ -407,7 +414,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, memhdr->free_cb = free_cb; memhdr->opaque = opaque; - if (mp->flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS) + if (mp_cap_flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS) /* align object start address to a multiple of total_elt_sz */ off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz); else if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN) -- 2.7.4