linux-kernel - Re: [PATCH v5 4/7] ocxl: Rename pnv_ocxl_spa_remove

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Message-Id: <76f8c289-7322-5a6b-b109-8ca35b2f38d5@linux.ibm.com>
Date:   Fri, 11 May 2018 10:49:21 +0200
From:   Frederic Barrat <fbarrat@...ux.ibm.com>
To:     "Alastair D'Silva" <alastair@....ibm.com>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        mikey@...ling.org, vaibhav@...ux.vnet.ibm.com,
        aneesh.kumar@...ux.vnet.ibm.com, malat@...ian.org,
        felix@...ux.vnet.ibm.com, pombredanne@...b.com,
        sukadev@...ux.vnet.ibm.com, npiggin@...il.com,
        gregkh@...uxfoundation.org, arnd@...db.de,
        andrew.donnellan@....ibm.com, fbarrat@...ux.vnet.ibm.com,
        corbet@....net, "Alastair D'Silva" <alastair@...ilva.org>
Subject: Re: [PATCH v5 4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify
 it's action



Le 11/05/2018 à 08:13, Alastair D'Silva a écrit :
> From: Alastair D'Silva <alastair@...ilva.org>
> 
> The function removes the process element from NPU cache.
> 
> Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
> ---

Acked-by: Frederic Barrat <fbarrat@...ux.vnet.ibm.com>

>   arch/powerpc/include/asm/pnv-ocxl.h   | 2 +-
>   arch/powerpc/platforms/powernv/ocxl.c | 4 ++--
>   drivers/misc/ocxl/link.c              | 2 +-
>   3 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h
> index f6945d3bc971..208b5503f4ed 100644
> --- a/arch/powerpc/include/asm/pnv-ocxl.h
> +++ b/arch/powerpc/include/asm/pnv-ocxl.h
> @@ -28,7 +28,7 @@ extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
>   extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
>   			void **platform_data);
>   extern void pnv_ocxl_spa_release(void *platform_data);
> -extern int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle);
> +extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
> 
>   extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
>   extern void pnv_ocxl_free_xive_irq(u32 irq);
> diff --git a/arch/powerpc/platforms/powernv/ocxl.c b/arch/powerpc/platforms/powernv/ocxl.c
> index fa9b53af3c7b..8c65aacda9c8 100644
> --- a/arch/powerpc/platforms/powernv/ocxl.c
> +++ b/arch/powerpc/platforms/powernv/ocxl.c
> @@ -475,7 +475,7 @@ void pnv_ocxl_spa_release(void *platform_data)
>   }
>   EXPORT_SYMBOL_GPL(pnv_ocxl_spa_release);
> 
> -int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
> +int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle)
>   {
>   	struct spa_data *data = (struct spa_data *) platform_data;
>   	int rc;
> @@ -483,7 +483,7 @@ int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
>   	rc = opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle);
>   	return rc;
>   }
> -EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe);
> +EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe_from_cache);
> 
>   int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr)
>   {
> diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
> index f30790582dc0..656e8610eec2 100644
> --- a/drivers/misc/ocxl/link.c
> +++ b/drivers/misc/ocxl/link.c
> @@ -599,7 +599,7 @@ int ocxl_link_remove_pe(void *link_handle, int pasid)
>   	 * On powerpc, the entry needs to be cleared from the context
>   	 * cache of the NPU.
>   	 */
> -	rc = pnv_ocxl_spa_remove_pe(link->platform_data, pe_handle);
> +	rc = pnv_ocxl_spa_remove_pe_from_cache(link->platform_data, pe_handle);
>   	WARN_ON(rc);
> 
>   	pe_data = radix_tree_delete(&spa->pe_tree, pe_handle);
>