[PATCH v4 0/5] vhost: FD manager improvements

Maxime Coquelin maxime.coquelin at redhat.com
Wed Jun 12 10:41:35 CEST 2024



On 6/11/24 15:39, Maxime Coquelin wrote:
> 
> This series aims at improving the Vhost FD manager.
> The fdset internals is hidden from its callers, the
> notification/synchronization is made systematic for
> every FD add/del operations and finally the code is
> reworked to make use of epoll insteal of poll which
> reduces the complexity (less locks involved,
> synchrnoization no more necessary).
> 
> The series has been tested with both Vhost-user/Virtio-user
> and with VDUSE.
> 
> Changes in v4:
> ==============
> - Remove useless parameter check (Stephen)
> - Error handling in dset_add (Chenbo)
> - Destroy support fixup in even dispatcher (Chenbo)
> - Refactor fdentry insertion/removal
> - Rebased on top of next-virtio/staging
> 
> David Marchand (1):
>    vhost: manage FD with epoll
> 
> Maxime Coquelin (4):
>    vhost: rename polling mutex
>    vhost: make use of FD manager init function
>    vhost: hide synchronization within FD manager
>    vhost: improve fdset initialization
> 
>   lib/vhost/fd_man.c | 456 ++++++++++++++++++++++-----------------------
>   lib/vhost/fd_man.h |  48 +----
>   lib/vhost/socket.c |  38 +---
>   lib/vhost/vduse.c  |  52 ++----
>   4 files changed, 252 insertions(+), 342 deletions(-)
> 

Applied to next-virtio/for-next-net.

Thanks,
Maxime



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