[dpdk-dev] [PATCH v4 07/10] net/ifc: add devarg for LM mode
Maxime Coquelin
maxime.coquelin at redhat.com
Sun Dec 16 10:21:00 CET 2018
On 12/14/18 10:16 PM, Xiao Wang wrote:
> This patch series enables a new method for live migration, i.e. software
> assisted live migration. This patch provides a device argument for user
> to choose the methold.
>
> When "swlm=1", driver/device will do live migration with a relay thread
> dealing with dirty page logging. Without this parameter, device will do
> dirty page logging and there's no relay thread consuming CPU resource.
>
> Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
> ---
> drivers/net/ifc/ifcvf_vdpa.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c
> index c0e50354a..395c5112f 100644
> --- a/drivers/net/ifc/ifcvf_vdpa.c
> +++ b/drivers/net/ifc/ifcvf_vdpa.c
> @@ -8,6 +8,7 @@
> #include <sys/ioctl.h>
> #include <sys/epoll.h>
> #include <linux/virtio_net.h>
> +#include <stdbool.h>
>
> #include <rte_malloc.h>
> #include <rte_memory.h>
> @@ -31,9 +32,11 @@
> #endif
>
> #define IFCVF_VDPA_MODE "vdpa"
> +#define IFCVF_SW_FALLBACK_LM "swlm"
The patch looks good, except that I don't like the "swlm" name.
Maybe we could have something less obscure, even if a little bt longer?
What about "sw-live-migration"?
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