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From: Bruce Richardson <bruce.richardson@intel.com>
To: Andrzej Ostruszka <amo@semihalf.com>
Cc: dev@dpdk.org, Aaron Conole <aconole@redhat.com>,
	Michael Santana <msantana@redhat.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	John McNamara <john.mcnamara@intel.com>,
	Marko Kovacevic <marko.kovacevic@intel.com>,
	David Hunt <david.hunt@intel.com>,
	Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
	Robert Sanford <rsanford@akamai.com>,
	Erik Gabriel Carrillo <erik.g.carrillo@intel.com>,
	mattias.ronnblom@ericsson.com, stephen@networkplumber.org,
	Andrzej Ostruszka <aostruszka@marvell.com>
Subject: Re: [dpdk-dev] [PATCH v2 01/10] build: add an option to enable LTO build
Date: Wed, 18 Sep 2019 11:36:02 +0100	[thread overview]
Message-ID: <20190918103602.GB1937@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20190917075754.8310-2-amo@semihalf.com>

On Tue, Sep 17, 2019 at 09:57:45AM +0200, Andrzej Ostruszka wrote:
> This patch adds an option to enable link time optimization.  In addition
> to LTO option itself (-flto) fat-lto-objects are being used.  This is
> because during the build pmdinfogen scans the generated ELF objects to
> find this_pmd_name* symbol in symbol table.  Without fat-lto-objects gcc
> produces ELF only with extra symbols for internal use during linking and
> clang does not produce ELF at all (only LLVM IR bitcode).
> 
> Signed-off-by: Andrzej Ostruszka <aostruszka@marvell.com>
>
For meson changes part:

Acked-by: Bruce Richardson <bruce.richardson@intel.com>

  reply	other threads:[~2019-09-18 10:36 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-17  7:57 [dpdk-dev] [PATCH v2 00/10] Add an option to use LTO for DPDK build Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 01/10] build: add an option to enable LTO build Andrzej Ostruszka
2019-09-18 10:36   ` Bruce Richardson [this message]
2019-09-18 13:32   ` Ray Kinsella
2019-09-19 12:35     ` Andrzej Ostruszka
2019-09-19 13:28       ` Ray Kinsella
2019-09-19 15:16         ` Bruce Richardson
2019-09-20  7:38           ` Ray Kinsella
2019-09-23  7:23             ` Thomas Monjalon
2019-09-23  9:36               ` Ray Kinsella
2019-09-23 10:16                 ` Mattias Rönnblom
2019-09-23 12:03               ` Andrzej Ostruszka
2019-09-23 12:06                 ` Bruce Richardson
2019-09-23 13:02                   ` Andrzej Ostruszka
2019-09-23 16:13                     ` Bruce Richardson
2019-09-24  6:46                       ` Andrzej Ostruszka
2019-09-24 10:25                         ` Bruce Richardson
2019-09-24 11:52                           ` Andrzej Ostruszka
2019-09-24 12:11                             ` Bruce Richardson
2019-09-24 12:59                           ` Neil Horman
2019-09-24 16:01                             ` Ray Kinsella
2019-09-26 15:32                             ` Andrzej Ostruszka
2019-09-27 19:55                               ` Bruce Richardson
2019-09-23 12:16                 ` Ray Kinsella
2019-10-27 11:31     ` Thomas Monjalon
2019-10-28  8:36       ` Andrzej Ostruszka
2019-10-28  9:07         ` Thomas Monjalon
2019-10-28 12:12         ` Andrzej Ostruszka
2019-10-28 17:16           ` Thomas Monjalon
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 02/10] eventdev: fix possible use of uninitialized var Andrzej Ostruszka
2019-10-12 13:35   ` Jerin Jacob
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 03/10] app/eventdev: fix maybe-uninitialized warnings for LTO build Andrzej Ostruszka
2019-10-12 13:52   ` Jerin Jacob
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 04/10] event/octeontx2: " Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 05/10] app/test: " Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 06/10] net/dpaa2: fix possible use of uninitialized vars Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 07/10] net/e1000: fix maybe-uninitialized warnings for LTO build Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 08/10] net/i40e: " Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 09/10] net/ifc: " Andrzej Ostruszka
2019-09-17  7:57 ` [dpdk-dev] [PATCH v2 10/10] net/qede: " Andrzej Ostruszka
     [not found] ` <20191021105707.25691-1-aostruszka@marvell.com>
     [not found]   ` <20191021105707.25691-2-aostruszka@marvell.com>
2019-10-21 12:59     ` [dpdk-dev] [PATCH v3 01/10] build: add an option to enable " Bruce Richardson
2019-10-22  8:53       ` Andrzej Ostruszka
2019-10-22 11:54 ` [dpdk-dev] [PATCH v4 00/10] Add an option to use LTO for DPDK build Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 01/10] build: add an option to enable LTO build Andrzej Ostruszka
2019-10-22 12:45     ` Bruce Richardson
2019-10-27 11:47     ` Thomas Monjalon
2019-10-28 10:47       ` Andrzej Ostruszka
2019-10-28 11:03         ` Thomas Monjalon
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 02/10] eventdev: fix possible use of uninitialized var Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 03/10] app/eventdev: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 04/10] event/octeontx2: " Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 05/10] app/test: " Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 06/10] net/dpaa2: fix possible use of uninitialized vars Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 07/10] net/e1000: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 08/10] net/i40e: " Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 09/10] net/ifc: " Andrzej Ostruszka
2019-10-22 11:54   ` [dpdk-dev] [PATCH v4 10/10] net/qede: " Andrzej Ostruszka
2019-10-22 12:48   ` [dpdk-dev] [PATCH v4 00/10] Add an option to use LTO for DPDK build Bruce Richardson
2019-10-22 13:03     ` Andrzej Ostruszka
2019-10-28 14:21   ` [dpdk-dev] [PATCH v5 00/11] " Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 01/11] build: annotate versioned symbols with __vsym macro Andrzej Ostruszka
2019-10-29 10:49       ` Neil Horman
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 02/11] build: add an option to enable LTO build Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 03/11] eventdev: fix possible use of uninitialized var Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 04/11] app/eventdev: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 05/11] event/octeontx2: " Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 06/11] app/test: " Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 07/11] net/dpaa2: fix possible use of uninitialized vars Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 08/11] net/e1000: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 09/11] net/i40e: " Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 10/11] net/ifc: " Andrzej Ostruszka
2019-10-28 14:21     ` [dpdk-dev] [PATCH v5 11/11] net/qede: " Andrzej Ostruszka
2019-10-29 14:12     ` [dpdk-dev] [PATCH v6 00/12] Add an option to use LTO for DPDK build Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 01/12] doc: fix description of versioning macros Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 02/12] build: annotate versioned symbols with __vsym macro Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 03/12] build: add an option to enable LTO build Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 04/12] eventdev: fix possible use of uninitialized var Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 05/12] app/eventdev: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 06/12] event/octeontx2: " Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 07/12] app/test: " Andrzej Ostruszka
2019-11-01 17:15         ` Wang, Yipeng1
2019-11-04 13:48           ` Andrzej Ostruszka
2019-11-07 17:48             ` Wang, Yipeng1
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 08/12] net/dpaa2: fix possible use of uninitialized vars Andrzej Ostruszka
2019-11-04 11:46         ` Hemant Agrawal
2019-11-04 14:33           ` Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 09/12] net/e1000: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 10/12] net/i40e: " Andrzej Ostruszka
2019-11-01  2:05         ` Xing, Beilei
2019-11-04 14:06           ` Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 11/12] net/ifc: " Andrzej Ostruszka
2019-10-29 14:12       ` [dpdk-dev] [PATCH v6 12/12] net/qede: " Andrzej Ostruszka
2019-10-30  9:09       ` [dpdk-dev] [PATCH v6 00/12] Add an option to use LTO for DPDK build Andrzej Ostruszka
2019-10-30 14:23         ` Aaron Conole
2019-11-07 15:03       ` [dpdk-dev] [PATCH v7 " Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 01/12] doc: fix description of versioning macros Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 02/12] build: annotate versioned symbols with __vsym macro Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 03/12] build: add an option to enable LTO build Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 04/12] eventdev: fix possible use of uninitialized var Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 05/12] app/eventdev: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 06/12] event/octeontx2: " Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 07/12] app/test: " Andrzej Ostruszka
2019-11-07 17:53           ` Wang, Yipeng1
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 08/12] net/dpaa2: fix possible use of uninitialized vars Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 09/12] net/e1000: clean LTO build warnings (maybe-uninitialized) Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 10/12] net/i40e: " Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 11/12] net/ifc: " Andrzej Ostruszka
2019-11-07 15:03         ` [dpdk-dev] [PATCH v7 12/12] net/qede: " Andrzej Ostruszka
2019-11-08 14:24         ` [dpdk-dev] [PATCH v7 00/12] Add an option to use LTO for DPDK build Thomas Monjalon
2019-11-01 21:33 ` [dpdk-dev] [PATCH v2 00/10] " Stephen Hemminger

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