Re: [PATCH v2 5/5] libvhost-user: handle removal of identical regions

[Stefan Hajnoczi]

On Thu, Jan 06, 2022 at 06:47:36AM +0000, Raphael Norwitz wrote:
> Today if QEMU (or any other VMM) has sent multiple copies of the same
> region to a libvhost-user based backend and then attempts to remove the
> region, only one instance of the region will be removed, leaving stale
> copies of the region in dev->regions[].
> 
> This change resolves this by having vu_rem_mem_reg() iterate through all
> regions in dev->regions[] and delete all matching regions.
> 
> Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
> ---
>  subprojects/libvhost-user/libvhost-user.c | 26 ++++++++++++-----------
>  1 file changed, 14 insertions(+), 12 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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