DPDK patches and discussions
 help / color / mirror / Atom feed
From: Neil Horman <nhorman@tuxdriver.com>
To: Zhigang Lu <zlu@ezchip.com>
Cc: dev@dpdk.org, Cyril Chemparathy <cchemparathy@ezchip.com>
Subject: Re: [dpdk-dev] [PATCH 02/15] eal/tile: add atomic operations for TileGx
Date: Mon, 8 Dec 2014 09:28:10 -0500	[thread overview]
Message-ID: <20141208142810.GC3237@localhost.localdomain> (raw)
In-Reply-To: <1418029178-25162-3-git-send-email-zlu@ezchip.com>

On Mon, Dec 08, 2014 at 04:59:25PM +0800, Zhigang Lu wrote:
> This patch adds architecture specific memory barrier operations for
> TileGx.
> 
> Signed-off-by: Zhigang Lu <zlu@ezchip.com>
> Signed-off-by: Cyril Chemparathy <cchemparathy@ezchip.com>
> ---
>  .../common/include/arch/tile/rte_atomic.h          | 62 ++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644 lib/librte_eal/common/include/arch/tile/rte_atomic.h
> 
> diff --git a/lib/librte_eal/common/include/arch/tile/rte_atomic.h b/lib/librte_eal/common/include/arch/tile/rte_atomic.h
> new file mode 100644
> index 0000000..24c9b0a
> --- /dev/null
> +++ b/lib/librte_eal/common/include/arch/tile/rte_atomic.h
> @@ -0,0 +1,62 @@
> +/*-
> + *   BSD LICENSE
> + *
> + *   Copyright(c) 2014 Tilera Corporation. All rights reserved.
> + *   All rights reserved.
> + *
> + *   Redistribution and use in source and binary forms, with or without
> + *   modification, are permitted provided that the following conditions
> + *   are met:
> + *
> + *     * Redistributions of source code must retain the above copyright
> + *       notice, this list of conditions and the following disclaimer.
> + *     * Redistributions in binary form must reproduce the above copyright
> + *       notice, this list of conditions and the following disclaimer in
> + *       the documentation and/or other materials provided with the
> + *       distribution.
> + *     * Neither the name of Tilera Corporation nor the names of its
> + *       contributors may be used to endorse or promote products derived
> + *       from this software without specific prior written permission.
> + *
> + *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifndef _RTE_ATOMIC_TILE_H_
> +#define _RTE_ATOMIC_TILE_H_
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +#include "generic/rte_atomic.h"
> +
> +static inline void rte_mb(void)
> +{
> +	__sync_synchronize();
> +}
> +
> +static inline void rte_wmb(void)
> +{
> +	__sync_synchronize();
> +}
> +
> +static inline void rte_rmb(void)
> +{
> +	__sync_synchronize();
I don't see __sync_synchronize defined anywhere.  Is that an intrinsic for gcc,
or a library call?

Neil

  reply	other threads:[~2014-12-08 14:28 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-08  8:59 [dpdk-dev] [PATCH 00/15] Patches for DPDK to support tile architecture Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 01/15] mk: introduce Tilera Tile architecture Zhigang Lu
2014-12-08 11:09   ` Bruce Richardson
2014-12-08 14:25     ` Neil Horman
2014-12-08 21:34       ` Cyril Chemparathy
2014-12-08  8:59 ` [dpdk-dev] [PATCH 02/15] eal/tile: add atomic operations for TileGx Zhigang Lu
2014-12-08 14:28   ` Neil Horman [this message]
2014-12-08 21:29     ` Cyril Chemparathy
2014-12-08  8:59 ` [dpdk-dev] [PATCH 03/15] eal/tile: add byte order " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 04/15] eal/tile: add spinlock " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 05/15] eal/tile: add prefetch " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 06/15] eal/tile: add memcpy " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 07/15] eal/tile: add CPU flags " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 08/15] eal/tile: add cycle " Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 09/15] eal: split vector operations to architecture specific Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 10/15] eal/tile: add vector operations for TileGx Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 11/15] eal/tile: add EAL support for global mPIPE initialization Zhigang Lu
2014-12-08 20:03   ` Neil Horman
2014-12-08 21:32     ` Cyril Chemparathy
2014-12-09 11:36       ` Neil Horman
2014-12-08  8:59 ` [dpdk-dev] [PATCH 12/15] eal/tile: add mPIPE buffer stack mempool provider Zhigang Lu
2014-12-09 14:07   ` Neil Horman
2014-12-12  8:30     ` Tony Lu
2014-12-12 13:03       ` Neil Horman
2014-12-08  8:59 ` [dpdk-dev] [PATCH 13/15] pmd/tile: add mPIPE poll mode driver for TileGx Zhigang Lu
2014-12-08  8:59 ` [dpdk-dev] [PATCH 14/15] app/test: turn off cpu flag checks for tile architecture Zhigang Lu
2014-12-09 15:03   ` Neil Horman
2014-12-11  4:43     ` Tony Lu
2014-12-11 13:39       ` Neil Horman
2014-12-12  8:10         ` Tony Lu
2014-12-12 13:07           ` Neil Horman
2014-12-08  8:59 ` [dpdk-dev] [PATCH 15/15] eal: allow empty set of compile time cpuflags Zhigang Lu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20141208142810.GC3237@localhost.localdomain \
    --to=nhorman@tuxdriver.com \
    --cc=cchemparathy@ezchip.com \
    --cc=dev@dpdk.org \
    --cc=zlu@ezchip.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).