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Re: [PATCH v3 14/21] multifd: Use qemu_target_page_size()


From: Dr. David Alan Gilbert
Subject: Re: [PATCH v3 14/21] multifd: Use qemu_target_page_size()
Date: Fri, 24 Jan 2020 11:42:43 +0000
User-agent: Mutt/1.13.0 (2019-11-30)

* Juan Quintela (address@hidden) wrote:
> We will make it cpu independent.
> 
> Signed-off-by: Juan Quintela <address@hidden>

Reviewed-by: Dr. David Alan Gilbert <address@hidden>

> ---
>  migration/ram.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index 2783dc60f4..14b7cbdbc9 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -882,14 +882,14 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams 
> *p, Error **errp)
>      for (i = 0; i < p->pages->used; i++) {
>          uint64_t offset = be64_to_cpu(packet->offset[i]);
>  
> -        if (offset > (block->used_length - TARGET_PAGE_SIZE)) {
> +        if (offset > (block->used_length - qemu_target_page_size())) {
>              error_setg(errp, "multifd: offset too long %" PRIu64
>                         " (max " RAM_ADDR_FMT ")",
>                         offset, block->max_length);
>              return -1;
>          }
>          p->pages->iov[i].iov_base = block->host + offset;
> -        p->pages->iov[i].iov_len = TARGET_PAGE_SIZE;
> +        p->pages->iov[i].iov_len = qemu_target_page_size();
>      }
>  
>      return 0;
> @@ -964,7 +964,8 @@ static int multifd_send_pages(QEMUFile *f)
>      p->packet_num = multifd_send_state->packet_num++;
>      multifd_send_state->pages = p->pages;
>      p->pages = pages;
> -    transferred = ((uint64_t) pages->used) * TARGET_PAGE_SIZE + 
> p->packet_len;
> +    transferred = ((uint64_t) pages->used) * qemu_target_page_size()
> +                + p->packet_len;
>      qemu_file_update_transfer(f, transferred);
>      ram_counters.multifd_bytes += transferred;
>      ram_counters.transferred += transferred;;
> @@ -985,7 +986,7 @@ static int multifd_queue_page(QEMUFile *f, RAMBlock 
> *block, ram_addr_t offset)
>      if (pages->block == block) {
>          pages->offset[pages->used] = offset;
>          pages->iov[pages->used].iov_base = block->host + offset;
> -        pages->iov[pages->used].iov_len = TARGET_PAGE_SIZE;
> +        pages->iov[pages->used].iov_len = qemu_target_page_size();
>          pages->used++;
>  
>          if (pages->used < pages->allocated) {
> -- 
> 2.24.1
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK




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