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From: David Marchand <david.marchand@redhat.com>
To: Jerin Jacob <jerinj@marvell.com>
Cc: Huichao Cai <chcchc88@163.com>,
	Kiran Kumar Kokkilagadda <kirankumark@marvell.com>,
	 Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>,
	"yanzhirun_163@163.com" <yanzhirun_163@163.com>,
	 "dev@dpdk.org" <dev@dpdk.org>,
	Thomas Monjalon <thomas@monjalon.net>,
	Robin Jarry <rjarry@redhat.com>
Subject: Re: Re:RE: [EXTERNAL] [PATCH] graph: optimize graph search when scheduling nodes
Date: Fri, 8 Nov 2024 14:38:20 +0100	[thread overview]
Message-ID: <CAJFAV8xgnJXvFtPMKWKH3718EWMrW1zdgRbP7-R6WKrd007h0g@mail.gmail.com> (raw)
In-Reply-To: <BY3PR18MB4785A415B7C430AD8FB656A8C85D2@BY3PR18MB4785.namprd18.prod.outlook.com>

Hello Jerin,

On Fri, Nov 8, 2024 at 1:22 PM Jerin Jacob <jerinj@marvell.com> wrote:
> > > Is n't breaking the ABI?
> >
> > So can't we modify the ABI, or is there any special operation required to modify
> > the ABI?
>
> Only LTS release (xx.11) can change the ABI after sending deprecation notice.
> Looking at the pahole output, one option will be making dispatch and new semi fastpath
> Additions like  xstat_off can be min cache aligned to make room for future expansion and
> to make sure have better performance.

Adding holes may be a short term solution, but in my opinion, the slow
path part should be entirely hidden and we only expose the fp part.
Reminder, those holes must be in a "known state" as we release v24.11
so that the presence of future additions can be safely detected.


-- 
David Marchand


      reply	other threads:[~2024-11-08 13:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-07  8:04 Huichao cai
2024-11-07  9:37 ` [EXTERNAL] " Jerin Jacob
2024-11-08  1:39   ` Huichao Cai
2024-11-08 12:22     ` Jerin Jacob
2024-11-08 13:38       ` David Marchand [this message]

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