From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 04/21] docs/manual: document usage of BR2_TOOLCHAIN_HAS_SYNC_x
Date: Mon, 25 Jan 2016 21:07:44 +0100 [thread overview]
Message-ID: <20160125210744.2e8f47e8@free-electrons.com> (raw)
In-Reply-To: <20160125183837.GE3386@free.fr>
Yann,
On Mon, 25 Jan 2016 19:38:37 +0100, Yann E. MORIN wrote:
> > +* Gcc +__sync_*+ built-ins used for atomic operations. They are
> > + available in variants operating on 1 byte, 2 bytes, 4 bytes and 8
> > + bytes. Since different architectures support atomic operations on
> > + different sizes, one dependency symbol is available for each size:
> > +** Dependency symbol: +BR2_TOOLCHAIN_HAS_SYNC_1+ for 1 byte,
> > + +BR2_TOOLCHAIN_HAS_SYNC_2+ for two bytes,
> > + +BR2_TOOLCHAIN_HAS_SYNC_4+ for 4 bytes, +BR2_TOOLCHAIN_HAS_SYNC_8+
> > + for 8 bytes.
> > +** Comment string: no comment to be added
> > +
> > +* One byte +__sync_*+ gcc built-in for atomic instructions
> > +** Dependency symbol: +BR2_TOOLCHAIN_HAS_SYNC_1+
>
> I don't see why you specifically documment BR2_TOOLCHAIN_HAS_SYNC_1
> separately. Did I miss something, or is it a stray attempt?
It's a stray attempt :-/ Will fix in v2, thanks for spotting!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2016-01-25 20:07 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-24 23:07 [Buildroot] [PATCH 00/21] Rework atomic handling Thomas Petazzoni
2016-01-24 23:07 ` [Buildroot] [PATCH 01/21] libftdi: C++ bindings need boost Thomas Petazzoni
2016-01-25 17:04 ` Yann E. MORIN
2016-01-25 20:04 ` Thomas Petazzoni
2016-01-24 23:07 ` [Buildroot] [PATCH 02/21] libftdi: remove BR2_ARCH_HAS_ATOMICS dependency Thomas Petazzoni
2016-01-25 17:15 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 03/21] toolchain: add BR2_TOOLCHAIN_HAS_SYNC_x hidden booleans Thomas Petazzoni
2016-01-25 18:27 ` Yann E. MORIN
2016-01-27 21:46 ` Thomas Petazzoni
2016-01-27 22:47 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 04/21] docs/manual: document usage of BR2_TOOLCHAIN_HAS_SYNC_x Thomas Petazzoni
2016-01-25 18:38 ` Yann E. MORIN
2016-01-25 20:07 ` Thomas Petazzoni [this message]
2016-01-24 23:07 ` [Buildroot] [PATCH 05/21] icu: remove BR2_ARCH_HAS_ATOMICS dependency Thomas Petazzoni
2016-01-25 18:42 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 06/21] json-c: needs __sync_val_compare_and_swap_4 Thomas Petazzoni
2016-01-25 18:47 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 07/21] pulseaudio: remove BR2_ARCH_HAS_ATOMICS dependency Thomas Petazzoni
2016-01-25 18:52 ` Yann E. MORIN
2016-01-27 21:56 ` Thomas Petazzoni
2016-01-27 22:51 ` Yann E. MORIN
2016-01-27 23:01 ` Thomas Petazzoni
2016-01-24 23:07 ` [Buildroot] [PATCH 08/21] apache, apr: fix atomic handling Thomas Petazzoni
2016-01-25 20:59 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 09/21] jack2: use the proper BR2_TOOLCHAIN_HAS_SYNC_x symbol Thomas Petazzoni
2016-01-25 21:12 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 10/21] libtorrent: use the proper BR2_TOOLCHAIN_HAS_SYNC_x symbols Thomas Petazzoni
2016-01-25 21:45 ` Yann E. MORIN
2016-01-25 22:07 ` Thomas Petazzoni
2016-01-25 22:14 ` Yann E. MORIN
2016-01-25 22:22 ` Thomas Petazzoni
2016-01-26 22:13 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 11/21] gauche: disable on SPARC(64), remove atomics dependency Thomas Petazzoni
2016-01-25 21:52 ` Yann E. MORIN
2016-01-24 23:07 ` [Buildroot] [PATCH 12/21] cairo, harfbuzz: rework atomic dependencies Thomas Petazzoni
2016-01-24 23:07 ` [Buildroot] [PATCH 13/21] openocd: remove BR2_ARCH_HAS_ATOMICS dependency Thomas Petazzoni
2016-01-25 23:05 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 14/21] squid: rework atomic handling Thomas Petazzoni
2016-01-25 22:53 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 15/21] thrift: remove BR2_ARCH_HAS_ATOMICS dependency Thomas Petazzoni
2016-01-26 22:31 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 16/21] msgpack: rework " Thomas Petazzoni
2016-01-26 22:17 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 17/21] arch: remove BR2_ARCH_HAS_ATOMICS option Thomas Petazzoni
2016-01-26 22:22 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 18/21] glog: fix atomic built-in problem Thomas Petazzoni
2016-01-26 22:25 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 19/21] openal: add missing BR2_TOOLCHAIN_HAS_SYNC_4 dependency Thomas Petazzoni
2016-01-26 22:32 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 20/21] freerdp: " Thomas Petazzoni
2016-01-26 22:33 ` Yann E. MORIN
2016-01-24 23:08 ` [Buildroot] [PATCH 21/21] neard: " Thomas Petazzoni
2016-01-26 22:35 ` Yann E. MORIN
2016-01-26 20:28 ` [Buildroot] [PATCH 00/21] Rework atomic handling Thomas Petazzoni
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