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From: "Carrillo, Erik G" <erik.g.carrillo@intel.com>
To: "pbhagavatula@marvell.com" <pbhagavatula@marvell.com>,
	"jerinj@marvell.com" <jerinj@marvell.com>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC 11/15] eventdev: reserve fields in timer object
Date: Mon, 23 Aug 2021 20:42:58 +0000	[thread overview]
Message-ID: <SA2PR11MB5196DB7CE5B3E5F7617A2A72B9C49@SA2PR11MB5196.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20210823194020.1229-11-pbhagavatula@marvell.com>

Hi Pavan,

One comment in-line:

> -----Original Message-----
> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
> Sent: Monday, August 23, 2021 2:40 PM
> To: jerinj@marvell.com; Carrillo, Erik G <erik.g.carrillo@intel.com>
> Cc: Ananyev, Konstantin <konstantin.ananyev@intel.com>; dev@dpdk.org;
> Pavan Nikhilesh <pbhagavatula@marvell.com>
> Subject: [dpdk-dev] [RFC 11/15] eventdev: reserve fields in timer object
> 
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
> 
> Reserve fields in rte_event_timer data structure to address future use cases.
> Also, remove volatile from rte_event_timer.
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
>  lib/eventdev/rte_event_timer_adapter.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/eventdev/rte_event_timer_adapter.h
> b/lib/eventdev/rte_event_timer_adapter.h
> index cad6d3b4c5..9499460a61 100644
> --- a/lib/eventdev/rte_event_timer_adapter.h
> +++ b/lib/eventdev/rte_event_timer_adapter.h
> @@ -475,7 +475,7 @@ struct rte_event_timer {
>  	 *  - op: RTE_EVENT_OP_NEW
>  	 *  - event_type: RTE_EVENT_TYPE_TIMER
>  	 */
> -	volatile enum rte_event_timer_state state;
> +	enum rte_event_timer_state state;
>  	/**< State of the event timer. */
>  	uint64_t timeout_ticks;
>  	/**< Expiry timer ticks expressed in number of *timer_ticks_ns*
> from @@ -492,6 +492,8 @@ struct rte_event_timer {
>  	/**< Memory to store user specific metadata.
>  	 * The event timer adapter implementation should not modify this
> area.
>  	 */
> +	uint64_t rsvd[2];
> +	/**< Reserved fields for future use. */

This placement puts rsvd after the user_meta field, which should be last since it is a zero-length array.  Am I missing something?

Thanks,
Erik

>  } __rte_cache_aligned;
> 
>  typedef uint16_t (*rte_event_timer_arm_burst_t)(
> --
> 2.17.1


  reply	other threads:[~2021-08-23 20:43 UTC|newest]

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23 19:40 [dpdk-dev] [RFC 01/15] eventdev: make driver interface as internal pbhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 02/15] eventdev: separate internal structures pbhagavatula
2021-10-14  9:11   ` Jerin Jacob
2021-08-23 19:40 ` [dpdk-dev] [RFC 03/15] eventdev: move eventdevs globals to hugepage mem pbhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 04/15] eventdev: move inline APIs into separate structure pbhagavatula
2021-09-08 12:03   ` Kinsella, Ray
2021-08-23 19:40 ` [dpdk-dev] [RFC 05/15] eventdev: add helper functions for new driver API pbhagavatula
2021-09-08 12:04   ` Kinsella, Ray
2021-08-23 19:40 ` [dpdk-dev] [RFC 06/15] eventdev: use new API for inline functions pbhagavatula
2021-08-30 14:41   ` Jayatheerthan, Jay
2021-08-30 14:46   ` David Marchand
2021-10-02 20:32     ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 07/15] eventdev: make drivers to use new API pbhagavatula
2021-09-08  6:43   ` Hemant Agrawal
2021-08-23 19:40 ` [dpdk-dev] [RFC 08/15] eventdev: hide event device related structures pbhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 09/15] eventdev: hide timer adapter pmd file pbhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 10/15] eventdev: remove rte prefix for internal structs pbhagavatula
2021-08-30 14:42   ` Jayatheerthan, Jay
2021-08-23 19:40 ` [dpdk-dev] [RFC 11/15] eventdev: reserve fields in timer object pbhagavatula
2021-08-23 20:42   ` Carrillo, Erik G [this message]
2021-08-24  5:16     ` Pavan Nikhilesh Bhagavatula
2021-08-24 15:10   ` Stephen Hemminger
2021-09-01  6:48     ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2021-09-07 21:02       ` Carrillo, Erik G
2021-09-07 21:31   ` [dpdk-dev] " Stephen Hemminger
2021-08-23 19:40 ` [dpdk-dev] [RFC 12/15] eventdev: move timer adapters memory to hugepage pbhagavatula
2021-08-24 13:50   ` Carrillo, Erik G
2021-09-01  6:30     ` Pavan Nikhilesh Bhagavatula
2021-08-23 19:40 ` [dpdk-dev] [RFC 13/15] eventdev: promote event vector API to stable pbhagavatula
2021-08-30 14:43   ` Jayatheerthan, Jay
2021-09-08 12:05   ` Kinsella, Ray
2021-08-23 19:40 ` [dpdk-dev] [RFC 14/15] eventdev: make trace APIs internal pbhagavatula
2021-08-30 14:47   ` Jayatheerthan, Jay
2021-08-23 19:40 ` [dpdk-dev] [RFC 15/15] eventdev: promote trace variables to stable pbhagavatula
2021-09-08 12:06   ` Kinsella, Ray
2021-08-24  7:43 ` [dpdk-dev] [RFC 01/15] eventdev: make driver interface as internal Mattias Rönnblom
2021-08-24  7:47   ` Pavan Nikhilesh Bhagavatula
2021-08-24  8:05     ` Pavan Nikhilesh Bhagavatula
2021-08-30 10:25   ` Mattias Rönnblom
2021-08-30 16:00     ` [dpdk-dev] [RFC] eventdev: uninline inline API functions Mattias Rönnblom
2021-08-31 12:28       ` Jerin Jacob
2021-08-31 12:34         ` Mattias Rönnblom
2021-09-28  9:56 ` [dpdk-dev] [RFC 01/15] eventdev: make driver interface as internal Jerin Jacob
2021-10-03  8:26 ` [dpdk-dev] [PATCH v2 01/13] " pbhagavatula
2021-10-03  8:26   ` [dpdk-dev] [PATCH v2 02/13] eventdev: separate internal structures pbhagavatula
2021-10-03  8:26   ` [dpdk-dev] [PATCH v2 03/13] eventdev: allocate max space for internal arrays pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 04/13] eventdev: move inline APIs into separate structure pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 05/13] eventdev: use new API for inline functions pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 06/13] eventdev: hide event device related structures pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v 07/13] eventdev: hide timer adapter PMD file pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 " pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 08/13] eventdev: remove rte prefix for internal structs pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 09/13] eventdev: rearrange fields in timer object pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 10/13] eventdev: move timer adapters memory to hugepage pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 11/13] eventdev: promote event vector API to stable pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 12/13] eventdev: make trace APIs internal pbhagavatula
2021-10-03  8:27   ` [dpdk-dev] [PATCH v2 13/13] eventdev: mark trace variables as internal pbhagavatula
2021-10-06  6:49   ` [dpdk-dev] [PATCH v3 01/14] eventdev: make driver interface " pbhagavatula
2021-10-06  6:49     ` [dpdk-dev] [PATCH v3 02/14] eventdev: separate internal structures pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 03/14] eventdev: allocate max space for internal arrays pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 04/14] eventdev: move inline APIs into separate structure pbhagavatula
2021-10-14  9:20       ` Jerin Jacob
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 05/14] drivers/event: invoke probing finish function pbhagavatula
2021-10-14  9:22       ` Jerin Jacob
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 06/14] eventdev: use new API for inline functions pbhagavatula
2021-10-11  9:51       ` Gujjar, Abhinandan S
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 07/14] eventdev: hide event device related structures pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 08/14] eventdev: hide timer adapter PMD file pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 09/14] eventdev: remove rte prefix for internal structs pbhagavatula
2021-10-11  9:58       ` Gujjar, Abhinandan S
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 10/14] eventdev: rearrange fields in timer object pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 11/14] eventdev: move timer adapters memory to hugepage pbhagavatula
2021-10-07 20:49       ` Carrillo, Erik G
2021-10-08  5:38         ` Pavan Nikhilesh Bhagavatula
2021-10-08 15:57           ` Carrillo, Erik G
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 12/14] eventdev: promote event vector API to stable pbhagavatula
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 13/14] eventdev: make trace APIs internal pbhagavatula
2021-10-11  9:59       ` Gujjar, Abhinandan S
2021-10-06  6:50     ` [dpdk-dev] [PATCH v3 14/14] eventdev: mark trace variables as internal pbhagavatula
2021-10-06  7:11       ` David Marchand
2021-10-14  9:28         ` Jerin Jacob
2021-10-14  9:05     ` [dpdk-dev] [PATCH v3 01/14] eventdev: make driver interface " Jerin Jacob
2021-10-14  9:08     ` Jerin Jacob
2021-10-15 19:02     ` [dpdk-dev] [PATCH v4 " pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 02/14] eventdev: separate internal structures pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 03/14] eventdev: allocate max space for internal arrays pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 04/14] eventdev: move inline APIs into separate structure pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 05/14] drivers/event: invoke probing finish function pbhagavatula
2021-10-17 15:34         ` Hemant Agrawal
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 06/14] eventdev: use new API for inline functions pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 07/14] eventdev: hide event device related structures pbhagavatula
2021-10-18  7:07         ` Harman Kalra
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 08/14] eventdev: hide timer adapter PMD file pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 09/14] eventdev: remove rte prefix for internal structs pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 10/14] eventdev: rearrange fields in timer object pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 11/14] eventdev: move timer adapters memory to hugepage pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 12/14] eventdev: promote event vector API to stable pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 13/14] eventdev: make trace APIs internal pbhagavatula
2021-10-15 19:02       ` [dpdk-dev] [PATCH v4 14/14] eventdev: mark trace variables as internal pbhagavatula
2021-10-17  5:58         ` Jerin Jacob
2021-10-18 15:06           ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2021-10-19  7:01             ` David Marchand
2021-10-17 15:35       ` [dpdk-dev] [PATCH v4 01/14] eventdev: make driver interface " Hemant Agrawal
2021-10-18 23:35       ` [dpdk-dev] [PATCH v5 " pbhagavatula
2021-10-18 23:35         ` [dpdk-dev] [PATCH v5 02/14] eventdev: separate internal structures pbhagavatula
2021-10-18 23:35         ` [dpdk-dev] [PATCH v5 03/14] eventdev: allocate max space for internal arrays pbhagavatula
2021-10-18 23:35         ` [dpdk-dev] [PATCH v5 04/14] eventdev: move inline APIs into separate structure pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 05/14] drivers/event: invoke probing finish function pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 06/14] eventdev: use new API for inline functions pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 07/14] eventdev: hide event device related structures pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 08/14] eventdev: hide timer adapter PMD file pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 09/14] eventdev: remove rte prefix for internal structs pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 10/14] eventdev: rearrange fields in timer object pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 11/14] eventdev: move timer adapters memory to hugepage pbhagavatula
2021-10-20 20:24           ` Carrillo, Erik G
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 12/14] eventdev: promote event vector API to stable pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 13/14] eventdev: make trace APIs internal pbhagavatula
2021-10-18 23:36         ` [dpdk-dev] [PATCH v5 14/14] eventdev: mark trace variables as internal pbhagavatula
2021-10-20  4:01         ` [dpdk-dev] [PATCH v5 01/14] eventdev: make driver interface " Jerin Jacob

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