linux-kernel - Re: [PATCH v6] hv_netvsc: Allocate rx indirection table size dynamically

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Message-ID: <ZIA2hEhz0G8Oe5pf@corigine.com>
Date:   Wed, 7 Jun 2023 09:49:24 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Shradha Gupta <shradhagupta@...ux.microsoft.com>
Cc:     linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Long Li <longli@...rosoft.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Praveen Kumar <kumarpraveen@...ux.microsoft.com>
Subject: Re: [PATCH v6] hv_netvsc: Allocate rx indirection table size
 dynamically

On Tue, Jun 06, 2023 at 11:52:06AM +0200, Simon Horman wrote:
> + Praveen Kumar
> 
> On Mon, Jun 05, 2023 at 04:30:06AM -0700, Shradha Gupta wrote:
> > Allocate the size of rx indirection table dynamically in netvsc
> > from the value of size provided by OID_GEN_RECEIVE_SCALE_CAPABILITIES
> > query instead of using a constant value of ITAB_NUM.
> > 
> > Signed-off-by: Shradha Gupta <shradhagupta@...ux.microsoft.com>
> > Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>
> > Tested-on: Ubuntu22 (azure VM, SKU size: Standard_F72s_v2)
> > Testcases:
> > 1. ethtool -x eth0 output
> > 2. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-Synthetic
> > 3. LISA testcase:PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-SRIOV
> 
> Hi Praveen, all,
> 
> it seems that there has not been any non-trivial review of this
> patchset since v3. But at that point there was some feedback
> from you. So I'd like to ask if you have any feedback on v6 [1].
> 
> [1] https://lore.kernel.org/all/1685964606-24690-1-git-send-email-shradhagupta@linux.microsoft.com/
> 

For the record:

I see that Praveen has now provided a Reviewed-by for v3 [2], thanks!

I think this patch is clear now.

Reviewed-by: Simon Horman <simon.horman@...igine.com>

[2] https://lore.kernel.org/all/bb461c30-3eb0-74c0-d637-c4a3bdf84565@linux.microsoft.com/