From: Ruifeng Wang <Ruifeng.Wang@arm.com>
To: "pbhagavatula@marvell.com" <pbhagavatula@marvell.com>,
"jerinj@marvell.com" <jerinj@marvell.com>,
Jan Viktorin <viktorin@rehivetech.com>,
Bruce Richardson <bruce.richardson@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>
Subject: RE: [PATCH] config/cn10k: align mempool elements to 128 bytes
Date: Tue, 14 Dec 2021 09:23:14 +0000 [thread overview]
Message-ID: <AS8PR08MB7080F846FA95720F1B6A0BD39E759@AS8PR08MB7080.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20211213110615.4458-1-pbhagavatula@marvell.com>
> -----Original Message-----
> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
> Sent: Monday, December 13, 2021 7:06 PM
> To: jerinj@marvell.com; Jan Viktorin <viktorin@rehivetech.com>; Ruifeng
> Wang <Ruifeng.Wang@arm.com>; Bruce Richardson
> <bruce.richardson@intel.com>
> Cc: dev@dpdk.org; Pavan Nikhilesh <pbhagavatula@marvell.com>
> Subject: [PATCH] config/cn10k: align mempool elements to 128 bytes
>
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
> Mempool elements are by default aligned to CACHELINE_SIZE.
> In CN10K cacheline size is 64B but the RoC requires buffers to be aligned to
> 128B.
> Set RTE_MEMPOOL_ALIGN to 128 to force mempool buffers to be aligned
> 128 bytes.
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
> config/arm/meson.build | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/config/arm/meson.build b/config/arm/meson.build index
> 213324d262..33afe1a9ad 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -276,7 +276,8 @@ soc_cn10k = {
> 'implementer' : '0x41',
> 'flags': [
> ['RTE_MAX_LCORE', 24],
> - ['RTE_MAX_NUMA_NODES', 1]
> + ['RTE_MAX_NUMA_NODES', 1],
> + ['RTE_MEMPOOL_ALIGN', 128]
> ],
> 'part_number': '0xd49',
> 'extra_march_features': ['crypto'],
> --
> 2.17.1
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
next prev parent reply other threads:[~2021-12-14 9:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 11:06 pbhagavatula
2021-12-14 9:23 ` Ruifeng Wang [this message]
2022-01-20 9:51 ` Jerin Jacob
2022-01-21 9:37 ` Jerin Jacob
2022-02-12 14:14 ` Thomas Monjalon
2021-12-14 10:30 ` Kevin Traynor
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=AS8PR08MB7080F846FA95720F1B6A0BD39E759@AS8PR08MB7080.eurprd08.prod.outlook.com \
--to=ruifeng.wang@arm.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=jerinj@marvell.com \
--cc=nd@arm.com \
--cc=pbhagavatula@marvell.com \
--cc=viktorin@rehivetech.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).