From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E2F6D46C01 for ; Thu, 29 Jan 2026 01:51:17 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A6F4F4026F; Thu, 29 Jan 2026 02:51:16 +0100 (CET) Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) by mails.dpdk.org (Postfix) with ESMTP id 179604026A for ; Thu, 29 Jan 2026 02:51:15 +0100 (CET) Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-480706554beso4310295e9.1 for ; Wed, 28 Jan 2026 17:51:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769651475; x=1770256275; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=yTIvseU0gEgxZZgoYKqhPvr51m8opdAk3zeVBWgNc2E=; b=Ha3fIZdXk1Bhi1MSWRmN8TvzO2xwjoFlZRSksDL6j+ERDro2KGTVyuLSHiJdAv39S3 4f26G3uS/CT4XeFQUUXvnZ323Lv0KDs1hv8G9457zIBp8qzd1PJFUTrajY2MRKuTNxBZ kANJwF0A7Ji2UxamMnJSOzQVAjoaqrIG8ildDVjz9E1hqW6tPsgg2IxgzMgRR+r+EQeX IhZiNsFbRDZbWffL1c7OD+LR/2G6bHX3HD9n4EVkfim3mWVLLsTXeb0Gf2ZUBDj3OSAm rR6I/e/F7dvccrGeahY9c+gSfB5z4wSUFLUGQzRLfFz1FuJ9FMNbKXc3Vec6+7OuICFS 8inw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769651475; x=1770256275; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=yTIvseU0gEgxZZgoYKqhPvr51m8opdAk3zeVBWgNc2E=; b=exFY/ayyeJrNw6HAlyUBuPYbYQmIvlSb+l9J4C5iPuCDS8iE2mtmzmF4Utu9KeabTn H/GZgh/RivMgoL2YhyyvQtgdEzjJu0hS/HmKjjYmYpVxND0vCl9VSU1n8zsq8MUQ9Sh7 XMPZ+68hy4jOSd4q6f+0FPlCpxvKwbsuMgIyBUIv+lCEg+pBNDZ18lbX8VodRE6Zqzei Nvgd34ZZm39FAbzYVuMXH5CpSYVmuhOPKSEyt+BnGkPiSeoK9ix4Mgw7kt0hslh5ZvGN k89lPpYgVyVJDJB2DlfWyZCz/BvadCtnjAzKEsg0T1N3oi9EvajcdImkLWi+UGuZ14kc gHlQ== X-Gm-Message-State: AOJu0YzH76+NdPKTRt/WWi3s5UD9hZZbADa0BOKQ+IuyWyC13knAYqye z2888tO8TaKXyFYCL1JVKNiIWNv7pm/AHDiaOomSdtQGQ5jW/7lDGqLr1UO1ws1OqJ4= X-Gm-Gg: AZuq6aKT6tC/twCMWg8qBS2MMugMmCiBmbxYVJhqgstqsFPuU/0pJTG21C8pQ+9z0XE 9wxiedZ18qqfCHrTisCJUPgpBdUcPN95bw4cf49u/ZBzeJOwUItq7WoGxDliUUIqxFY9pm7TNeQ KybMbToUyw6oXFRKw1tyxXzXn5OYsO+PaRIzbuJkWFFatTod0qqBqnMoUmaL9vLVqFmtGGxuNME upcTGKvyjIWzROHKEHjem87cUtZsesbkzrfci8CxZgUxWcwmxitTVp8HyT/rl0438MDWsofazWj /M+Tz68+9psFP/Fq2uAsI8duvtxcKM2uCOjoFYS66IquQyfwHHZaX58XVV+A1ZWq4n+X3Y2UyEf 5VSjhp8aod1oNg39SZEPn9qZu/mE1m4+A0G0gB2vdowo+pF0q9J3/f/CB1KgpXhrPCCSNTOoPwq kzaY6MmN2ZanpkEgazU8AEsDgM7Pu047KZQNZEsSOxkTiDpjWcrEJP X-Received: by 2002:a05:600c:3f0b:b0:47e:e20e:bbb2 with SMTP id 5b1f17b1804b1-48069c0e198mr94220335e9.7.1769651474671; Wed, 28 Jan 2026 17:51:14 -0800 (PST) Received: from phoenix.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4806ce564f9sm102075605e9.14.2026.01.28.17.51.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 17:51:13 -0800 (PST) Date: Wed, 28 Jan 2026 17:51:07 -0800 From: Stephen Hemminger To: Cliff Burdick Cc: , , Thomas Monjalon Subject: Re: [PATCH 1/2] eal: support dmabuf Message-ID: <20260128175107.26fe3189@phoenix.local> In-Reply-To: <20260127174429.1504288-2-cburdick@nvidia.com> References: <20260127174429.1504288-1-cburdick@nvidia.com> <20260127174429.1504288-2-cburdick@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Tue, 27 Jan 2026 17:44:08 +0000 Cliff Burdick wrote: > +/** > + * Get dma-buf file descriptor associated with a memseg list. > + * > + * @note This function does not perform any locking, and is only safe to call > + * from within memory-related callback functions. Maybe warning instead of note. > + * > + * @param msl > + * A pointer to memseg list for which to get dma-buf fd. > + * > + * @return > + * Valid dma-buf file descriptor (>= 0) in case of success. > + * -1 if not dma-buf backed or in case of error, with ``rte_errno`` set to: > + * - EINVAL - ``msl`` pointer was NULL or did not point to a valid memseg list > + */ > +int > +rte_memseg_list_get_dmabuf_fd_thread_unsafe(const struct rte_memseg_list *msl); ENAMETOOLONG At some point, you need to come up with a better naming convention.