Re: [PATCH v03 3/5] migration/memory: Add hotplug READD_MULTIPLE

[Tyrel Datwyler <tyreld@linux.vnet.ibm.com>]

On 10/01/2018 05:59 AM, Michael Bringmann wrote:
> migration/memory: This patch adds a new pseries hotplug action
> for CPU and memory operations, PSERIES_HP_ELOG_ACTION_READD_MULTIPLE.
> This is a variant of the READD operation which performs the action
> upon multiple instances of the resource at one time.  The operation
> is to be triggered by device-tree analysis of updates by RTAS events
> analyzed by 'migation_store' during post-migration processing.  It
> will be used for memory updates, initially.
> 
> Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
> ---
>  arch/powerpc/include/asm/rtas.h |    1 +
>  arch/powerpc/mm/drmem.c         |    1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
> index 71e393c..e510d82 100644
> --- a/arch/powerpc/include/asm/rtas.h
> +++ b/arch/powerpc/include/asm/rtas.h
> @@ -320,6 +320,7 @@ struct pseries_hp_errorlog {
>  #define PSERIES_HP_ELOG_ACTION_ADD	1
>  #define PSERIES_HP_ELOG_ACTION_REMOVE	2
>  #define PSERIES_HP_ELOG_ACTION_READD	3
> +#define PSERIES_HP_ELOG_ACTION_READD_MULTIPLE	4

I'm confused, you have only added a define and not the actual implementation. I really think this should be squashed into your 4th patch where the operation is actually implemented.

> 
>  #define PSERIES_HP_ELOG_ID_DRC_NAME	1
>  #define PSERIES_HP_ELOG_ID_DRC_INDEX	2
> diff --git a/arch/powerpc/mm/drmem.c b/arch/powerpc/mm/drmem.c
> index fd2cae92..2228586 100644
> --- a/arch/powerpc/mm/drmem.c
> +++ b/arch/powerpc/mm/drmem.c
> @@ -422,6 +422,7 @@ static void init_drmem_v2_lmbs(const __be32 *prop,
> 
>  			lmb->aa_index = dr_cell.aa_index;
>  			lmb->flags = dr_cell.flags;
> +			lmb->internal_flags = 0;

And this should have been squashed into the previous patch where you added the internal_flags field to the lmb struct.

-Tyrel 

>  		}
>  	}
>  }
>