linux-kernel - Re: [PATCH v4 0/5] vsock/virtio: optimizations to increase the throughput

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Message-ID: <20190722090835.GF24934@stefanha-x1.localdomain>
Date:   Mon, 22 Jul 2019 10:08:35 +0100
From:   Stefan Hajnoczi <stefanha@...hat.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>, kvm@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>
Subject: Re: [PATCH v4 0/5] vsock/virtio: optimizations to increase the
 throughput

On Wed, Jul 17, 2019 at 01:30:25PM +0200, Stefano Garzarella wrote:
> This series tries to increase the throughput of virtio-vsock with slight
> changes.
> While I was testing the v2 of this series I discovered an huge use of memory,
> so I added patch 1 to mitigate this issue. I put it in this series in order
> to better track the performance trends.
> 
> v4:
> - rebased all patches on current master (conflicts is Patch 4)
> - Patch 1: added Stefan's R-b
> - Patch 3: removed lock when buf_alloc is written [David];
>            moved this patch after "vsock/virtio: reduce credit update messages"
>            to make it clearer
> - Patch 4: vhost_exceeds_weight() is recently introduced, so I've solved some
>            conflicts

Stefano: Do you want to continue experimenting before we merge this
patch series?  The code looks functionally correct and the performance
increases, so I'm happy for it to be merged.

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