From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Ruifeng Wang <Ruifeng.Wang@arm.com>,
"Ashwin Sekhar Thalakalath Kottilveetil" <asekhar@marvell.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Honnappa Nagarahalli" <Honnappa.Nagarahalli@arm.com>
Cc: Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>,
"jerinj@marvell.com" <jerinj@marvell.com>,
Sunil Kumar Kori <skori@marvell.com>,
"Satha Koteswara Rao Kottidi" <skoteshwar@marvell.com>,
Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>,
Kiran Kumar Kokkilagadda <kirankumark@marvell.com>,
Satheesh Paul <psatheesh@marvell.com>,
"Anoob Joseph" <anoobj@marvell.com>,
Akhil Goyal <gakhil@marvell.com>, nd <nd@arm.com>
Subject: Re: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics for batch alloc
Date: Wed, 12 Jan 2022 09:21:32 +0000 [thread overview]
Message-ID: <870d41dc-5845-f381-780a-1c041042d846@intel.com> (raw)
In-Reply-To: <AS8PR08MB7080F97BBD8108D8720C1DAE9E529@AS8PR08MB7080.eurprd08.prod.outlook.com>
On 1/12/2022 3:01 AM, Ruifeng Wang wrote:
>> -----Original Message-----
>> From: Ferruh Yigit <ferruh.yigit@intel.com>
>> Sent: Tuesday, January 11, 2022 9:46 PM
>> To: Ashwin Sekhar Thalakalath Kottilveetil <asekhar@marvell.com>;
>> dev@dpdk.org; Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>;
>> Ruifeng Wang <Ruifeng.Wang@arm.com>
>> Cc: Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>;
>> jerinj@marvell.com; Sunil Kumar Kori <skori@marvell.com>; Satha
>> Koteswara Rao Kottidi <skoteshwar@marvell.com>; Pavan Nikhilesh
>> Bhagavatula <pbhagavatula@marvell.com>; Kiran Kumar Kokkilagadda
>> <kirankumark@marvell.com>; Satheesh Paul <psatheesh@marvell.com>;
>> Anoob Joseph <anoobj@marvell.com>; Akhil Goyal <gakhil@marvell.com>
>> Subject: Re: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics
>> for batch alloc
>>
>> On 1/11/2022 12:26 PM, Ashwin Sekhar Thalakalath Kottilveetil wrote:
>>> CAS is compare and swap. CASL is compare and swap with release
>> semantics.
>>>
>>
>> What does 'release semantics' mean? What is functional difference in both?
>
> 'release semantics' is semantics in memory ordering for store operations.
> It ensures store-store ordering.
>
Thanks.
prev parent reply other threads:[~2022-01-12 9:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 5:45 Ashwin Sekhar T K
2022-01-06 12:27 ` Jerin Jacob
2022-01-11 12:08 ` Ferruh Yigit
2022-01-11 12:12 ` Ferruh Yigit
2022-01-11 12:26 ` [EXT] " Ashwin Sekhar Thalakalath Kottilveetil
2022-01-11 13:46 ` Ferruh Yigit
2022-01-12 3:01 ` Ruifeng Wang
2022-01-12 6:18 ` Ruifeng Wang
2022-01-12 9:20 ` Ferruh Yigit
2022-01-12 9:21 ` Ferruh Yigit [this message]
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