From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Dean Nelson <dnelson@redhat.com>
Cc: brouer@redhat.com, Robert Richter <rric@kernel.org>,
Sunil Goutham <sgoutham@cavium.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Vadim Lomovtsev <vlomovtsev@marvell.com>
Subject: Re: [PATCH net 1/2] thunderx: enable page recycling for non-XDP case
Date: Tue, 26 Mar 2019 15:39:16 +0100 [thread overview]
Message-ID: <20190326153916.530d472e@carbon> (raw)
In-Reply-To: <155360908585.12643.12967701630346715912.email-sent-by-dnelson@cyan>
On Tue, 26 Mar 2019 10:04:47 -0400
Dean Nelson <dnelson@redhat.com> wrote:
> Commit 773225388dae15e72790 added code to nicvf_alloc_page() that inadvertently
> disables receive buffer page recycling for the non-XDP case by always NULL'ng
> the page pointer.
>
> This patch corrects two if-conditionals to allow for the recycling of non-XDP
> mode pages by only setting the page pointer to NULL when the page is not ready
> for recycling.
>
> Signed-off-by: Dean Nelson <dnelson@redhat.com>
You need to add a "fixes" line like this:
Fixes: 773225388dae ("net: thunderx: Optimize page recycling for XDP")
And in-general reference a commit in the same way in the description.
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
WARNING: multiple messages have this Message-ID (diff)
From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Dean Nelson <dnelson@redhat.com>
Cc: Vadim Lomovtsev <vlomovtsev@marvell.com>,
Robert Richter <rric@kernel.org>,
netdev@vger.kernel.org, brouer@redhat.com,
Sunil Goutham <sgoutham@cavium.com>,
David Miller <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net 1/2] thunderx: enable page recycling for non-XDP case
Date: Tue, 26 Mar 2019 15:39:16 +0100 [thread overview]
Message-ID: <20190326153916.530d472e@carbon> (raw)
In-Reply-To: <155360908585.12643.12967701630346715912.email-sent-by-dnelson@cyan>
On Tue, 26 Mar 2019 10:04:47 -0400
Dean Nelson <dnelson@redhat.com> wrote:
> Commit 773225388dae15e72790 added code to nicvf_alloc_page() that inadvertently
> disables receive buffer page recycling for the non-XDP case by always NULL'ng
> the page pointer.
>
> This patch corrects two if-conditionals to allow for the recycling of non-XDP
> mode pages by only setting the page pointer to NULL when the page is not ready
> for recycling.
>
> Signed-off-by: Dean Nelson <dnelson@redhat.com>
You need to add a "fixes" line like this:
Fixes: 773225388dae ("net: thunderx: Optimize page recycling for XDP")
And in-general reference a commit in the same way in the description.
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-03-26 14:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-26 14:04 [PATCH net 0/2] thunderx: fix receive buffer page recycling Dean Nelson
2019-03-26 14:04 ` [PATCH net 1/2] thunderx: enable page recycling for non-XDP case Dean Nelson
2019-03-26 14:39 ` Jesper Dangaard Brouer [this message]
2019-03-26 14:39 ` Jesper Dangaard Brouer
2019-03-26 14:44 ` Dean Nelson
2019-03-26 14:44 ` Dean Nelson
2019-03-26 14:59 ` Jesper Dangaard Brouer
2019-03-26 14:59 ` Jesper Dangaard Brouer
2019-03-26 15:39 ` Dean Nelson
2019-03-26 15:39 ` Dean Nelson
2019-03-26 14:04 ` [PATCH net 2/2] thunderx: eliminate extra calls to put_page() for pages held for recycling Dean Nelson
2019-03-26 15:39 ` [PATCH net 0/2] thunderx: fix receive buffer page recycling Dean Nelson
2019-03-26 15:39 ` Dean Nelson
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