linux-kernel - Re: [PATCH RFC 1/2] cxl/memdev: Remove unused partition values

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Message-ID: <a427509a-f428-44d3-a16d-3e39b246f51c@intel.com>
Date: Wed, 29 Jan 2025 09:51:52 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: Ira Weiny <ira.weiny@...el.com>, Dan Williams <dan.j.williams@...el.com>,
 Davidlohr Bueso <dave@...olabs.net>,
 Jonathan Cameron <jonathan.cameron@...wei.com>,
 Alison Schofield <alison.schofield@...el.com>,
 Vishal Verma <vishal.l.verma@...el.com>
Cc: linux-cxl@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 1/2] cxl/memdev: Remove unused partition values



On 1/28/25 11:51 AM, Ira Weiny wrote:
> The next volatile and next persistent values are unused and are
> cluttering the cxl_memdev_state.
> 
> Remove these values.
> 
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>
Reviewed-by: Dave Jiang <dave.jiang@...el.com>

> ---
>  drivers/cxl/core/mbox.c | 4 ----
>  drivers/cxl/cxlmem.h    | 4 ----
>  2 files changed, 8 deletions(-)
> 
> diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
> index 62bb3653362f5325cfdab7812633328eac50ab30..998e1df36db673c47c4e87b957df9c29bf3f291a 100644
> --- a/drivers/cxl/core/mbox.c
> +++ b/drivers/cxl/core/mbox.c
> @@ -1097,10 +1097,6 @@ static int cxl_mem_get_partition_info(struct cxl_memdev_state *mds)
>  		le64_to_cpu(pi.active_volatile_cap) * CXL_CAPACITY_MULTIPLIER;
>  	mds->active_persistent_bytes =
>  		le64_to_cpu(pi.active_persistent_cap) * CXL_CAPACITY_MULTIPLIER;
> -	mds->next_volatile_bytes =
> -		le64_to_cpu(pi.next_volatile_cap) * CXL_CAPACITY_MULTIPLIER;
> -	mds->next_persistent_bytes =
> -		le64_to_cpu(pi.next_volatile_cap) * CXL_CAPACITY_MULTIPLIER;
>  
>  	return 0;
>  }
> diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h
> index f218d43dec9fd89f950af667ff033d0802084345..29817f533e5e408243d361c46ddbf0c295b4fda4 100644
> --- a/drivers/cxl/cxlmem.h
> +++ b/drivers/cxl/cxlmem.h
> @@ -548,8 +548,6 @@ static inline struct cxl_dev_state *mbox_to_cxlds(struct cxl_mailbox *cxl_mbox)
>   * @partition_align_bytes: alignment size for partition-able capacity
>   * @active_volatile_bytes: sum of hard + soft volatile
>   * @active_persistent_bytes: sum of hard + soft persistent
> - * @next_volatile_bytes: volatile capacity change pending device reset
> - * @next_persistent_bytes: persistent capacity change pending device reset
>   * @event: event log driver state
>   * @poison: poison driver state info
>   * @security: security driver state info
> @@ -570,8 +568,6 @@ struct cxl_memdev_state {
>  	u64 partition_align_bytes;
>  	u64 active_volatile_bytes;
>  	u64 active_persistent_bytes;
> -	u64 next_volatile_bytes;
> -	u64 next_persistent_bytes;
>  
>  	struct cxl_event_state event;
>  	struct cxl_poison_state poison;
>