* Leonardo Bras (leobras@redhat.com) wrote:
> The first patch avoid spuriously returning 1 [*] when zero-copy flush is
> attempted before any buffer was sent using MSG_ZEROCOPY.
>
> [*] zero-copy not being used, even though it's enabled and supported
> by kernel
>
> The second patch introduces a new migration stat
> (dirty-sync-missed-zero-copy) that will be used to keep track of [*].
>
> The third patch keeps track of how many zero-copy flushes retured 1 [*]
>
> Changes since v3:
> - Patch#1: Also checks if no packet was queued after the last flush
> - Patch#2: Improve dirty-sync-missed-zero-copy doc and hmp print message
>
> Changes since v2:
> - Documentation release number changed from 7.2 to 7.1
> - migration stat renamed from zero-copy-copied to
> dirty-sync-missed-zero-copy
> - Updated documentation to make it more user-friendly
>
> Changes since v1:
> - Idea of using a warning replaced by using a migration stat counter
Queued
>
>
>
> Leonardo Bras (3):
> QIOChannelSocket: Fix zero-copy flush returning code 1 when nothing
> sent
> Add dirty-sync-missed-zero-copy migration stat
> migration/multifd: Report to user when zerocopy not working
>
> qapi/migration.json | 7 ++++++-
> migration/ram.h | 2 ++
> io/channel-socket.c | 8 +++++++-
> migration/migration.c | 2 ++
> migration/multifd.c | 2 ++
> migration/ram.c | 5 +++++
> monitor/hmp-cmds.c | 5 +++++
> 7 files changed, 29 insertions(+), 2 deletions(-)
>
> --
> 2.37.0
>
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK