From: David Vrabel
Date: Tue, 16 Dec 2014 18:59:46 +
> After d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less interrupt
> masking in NAPI) the napi instance is removed from the per-cpu list
> prior to calling the n->poll(), and is only requeued if all of the
> budget was used. This inadve
From: David Vrabel
Date: Thu, 18 Dec 2014 11:13:06 +
> Commit bc96f648df1bbc2729abbb84513cf4f64273a1f1 (xen-netback: make
> feature-rx-notify mandatory) incorrectly assumed that there were no
> frontends in use that did not support this feature. But the frontend
> driver in MiniOS does not a
From: Eric Dumazet
Date: Fri, 19 Dec 2014 17:34:48 -0800
>> @@ -4620,7 +4620,11 @@ static void net_rx_action(struct softirq_action *h)
>> */
>> napi_gro_flush(n, HZ >= 1000);
>> }
>> -
From: Herbert Xu
Date: Sat, 20 Dec 2014 11:23:27 +1100
> The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less
> interrupt masking in NAPI) breaks virtio_net in an insidious way.
>
> It is now required that if the entire budget is consumed when poll
> returns, the napi poll_list must re
From: Herbert Xu
Date: Mon, 22 Dec 2014 20:35:25 +1100
> The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less
> interrupt masking in NAPI) breaks caif.
>
> It is now required that if the entire budget is consumed when poll
> returns, the napi poll_list must remain empty. However, like
From: Herbert Xu
Date: Sun, 21 Dec 2014 07:16:24 +1100
> We should only perform the softnet_break check after we have polled
> at least one device in net_rx_action. Otherwise a zero or negative
> setting of netdev_budget can lock up the whole system.
>
> Signed-off-by: Herbert Xu
Applied.
__
From: Herbert Xu
Date: Sun, 21 Dec 2014 07:16:25 +1100
> This patch rearranges the loop in net_rx_action to reduce the
> amount of jumping back and forth when reading the code.
>
> Signed-off-by: Herbert Xu
Applied.
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From: Herbert Xu
Date: Sun, 21 Dec 2014 07:16:21 +1100
> This patch creates a new function napi_poll and moves the napi
> polling code from net_rx_action into it.
>
> Signed-off-by: Herbert Xu
Applied.
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From: Herbert Xu
Date: Sun, 21 Dec 2014 07:16:22 +1100
> The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less
> interrupt masking in NAPI) required drivers to leave poll_list
> empty if the entire budget is consumed.
>
> We have already had two broken drivers so let's add a check for
>
From: Ian Campbell
Date: Tue, 6 Jan 2015 15:54:07 +
> On Tue, 2015-01-06 at 16:44 +0100, Imre Palik wrote:
>> From: "Palik, Imre"
>>
>> Since e9ce7cb6b107 ("xen-netback: Factor queue-specific data into queue
>> struct"),
>> the transimt shaper timeout is always set to 0. The value the use
From: Vincenzo Maffione
Date: Sat, 10 Jan 2015 10:20:25 +0100
> This patch removes some unused arrays from the netfront private
> data structures. These arrays were used in "flip" receive mode.
>
> Signed-off-by: Vincenzo Maffione
Applied to net-next.
_
From: David Vrabel
Date: Tue, 13 Jan 2015 14:43:39 +
> On 12/01/15 15:43, David Vrabel wrote:
>> From: Jenny Herbert
>>
>> Use the foreign page flag in netback to get the domid and grant ref
>> needed for the grant copy. This signficiantly simplifies the netback
>> code and makes netback w
From: David Vrabel
Date: Tue, 13 Jan 2015 16:42:42 +
> In netfront the Rx and Tx path are independent and use different
> locks. The Tx lock is held with hard irqs disabled, but Rx lock is
> held with only BH disabled. Since both sides use the same stats lock,
> a deadlock may occur.
>
>
From: David Vrabel
Date: Tue, 13 Jan 2015 17:16:41 +
> As netfront as evolved to handle different sorts of skbs the code to
> fill a Tx requests has been copy and pasted several times. The series
> refactors this and a few other areas.
>
> The first patch is to a Xen header but this can be
From: Insu Yun
Date: Thu, 15 Oct 2015 12:26:16 -0400
> Since vzalloc can be failed in memory pressure,
> return value should be checked and return ENOMEM.
>
> Signed-off-by: Insu Yun
> ---
> drivers/net/xen-netback/xenbus.c | 5 +
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers
From: Insu Yun
Date: Thu, 15 Oct 2015 18:02:28 +
> Since vzalloc can be failed in memory pressure,
> writes -ENOMEM to xenstore to indicate error.
>
> Signed-off-by: Insu Yun
Applied.
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From: Joe Jin
Date: Mon, 19 Oct 2015 13:37:17 +0800
> Sometimes xennet_create_queues() may failed to created all requested
> queues, we need to update num_queues to real created to avoid NULL
> pointer dereference.
>
> Signed-off-by: Joe Jin
Applied.
__
From: Paul Durrant
Date: Wed, 21 Oct 2015 11:36:17 +0100
> This series adds xen-netback support for hash negotiation with a frontend
> driver, and an implementation of toeplitz hashing as the initial negotiable
> algorithm.
I'd definitely like to see some XEN networking experts review this
befor
From: Paul Durrant
Date: Wed, 21 Oct 2015 11:36:17 +0100
> This series adds xen-netback support for hash negotiation with a frontend
> driver, and an implementation of toeplitz hashing as the initial negotiable
> algorithm.
Ping, I want to see some review from some other xen networking folks.
T
From: David Vrabel
Date: Mon, 26 Oct 2015 10:38:50 +
> On 24/10/15 12:55, David Miller wrote:
>> From: Paul Durrant
>> Date: Wed, 21 Oct 2015 11:36:17 +0100
>>
>>> This series adds xen-netback support for hash negotiation with a frontend
>>> dr
From: Dan Carpenter
Date: Sun, 12 Jul 2015 01:20:55 +0300
> The > should be >=. I also added spaces around the '-' operations so
> the code is a little more consistent and matches the condition better.
>
> Fixes: f53c3fe8dad7 ('xen-netback: Introduce TX grant mapping')
> Signed-off-by: Dan Carp
From: David Vrabel
Date: Tue, 20 Jan 2015 14:49:52 +
> Always fully coalesce guest Rx packets into the minimum number of ring
> slots. Reducing the number of slots per packet has significant
> performance benefits when receiving off-host traffic.
>
> Results from XenServer's performance ben
From: David Vrabel
Date: Mon, 2 Feb 2015 16:57:51 +
> After commit e9d8b2c2968499c1f96563e6522c56958d5a1d0d (xen-netback:
> disable rogue vif in kthread context), a fatal (protocol) error would
> leave the guest Rx thread spinning, wasting CPU time. Commit
> ecf08d2dbb96d5a4b4bcc53a39e8d29cc
From: Takashi Iwai
Date: Wed, 4 Feb 2015 14:38:55 +0100
> Instead of manual calls of device_create_file() and
> device_remove_files(), assign the static attribute groups to netdev
> groups array. This simplifies the code and avoids the possible
> races.
>
> Signed-off-by: Takashi Iwai
Applie
From: Lad Prabhakar
Date: Thu, 5 Feb 2015 13:38:07 +
> From: "Lad, Prabhakar"
>
> this patch fixes following sparse warning:
>
> interface.c:83:5: warning: symbol 'xenvif_poll' was not declared. Should it
> be static?
>
> Signed-off-by: Lad, Prabhakar
Applied.
___
From: Michael Chan
Date: Thu, 16 Apr 2015 09:39:13 -0700
> On Thu, 2015-04-16 at 09:24 -0300, casca...@linux.vnet.ibm.com wrote:
>> Yes, this looks like the driver is not syncing the DMA buffers. Unmap is
>> supposed to synchronize as well.
>>
>
> For small rx packets (< 256 bytes), we sync th
From: Ian Jackson
Date: Fri, 17 Apr 2015 17:29:28 +0100
> Prashant Sreedharan writes ("Re: tg3 NIC driver bug in 3.14.x under Xen [and
> 3 more messages]"):
>> Ok this is what is causing the problem, the driver uses
>> DEFINE_DMA_UNMAP_ADDR(), dma_unmap_addr_set() to keep a copy of the dma
>> "m
From: Konrad Rzeszutek Wilk
Date: Fri, 17 Apr 2015 15:04:48 -0400
> From 9e417af099e3cee2b219ab28ffc1e96b0564b213 Mon Sep 17 00:00:00 2001
> From: Konrad Rzeszutek Wilk
> Date: Fri, 17 Apr 2015 14:55:47 -0400
> Subject: [PATCH] config: Enable NEED_DMA_MAP_STATE when SWIOTLB is selected
>
> A hu
From: Alexey Khoroshilov
Date: Mon, 24 Nov 2014 13:58:00 +0300
> If xenvif_alloc() or xenbus_scanf() fail in backend_create_xenvif(),
> xenbus is left in offline mode but netback_probe() reports success.
>
> The patch implements propagation of error code for backend_create_xenvif().
>
> Found b
From: Seth Forshee
Date: Tue, 25 Nov 2014 20:28:24 -0600
> These BUGs can be erroneously triggered by frags which refer to
> tail pages within a compound page. The data in these pages may
> overrun the hardware page while still being contained within the
> compound page, but since compound_order(
From: Seth Forshee
Date: Wed, 26 Nov 2014 21:53:50 -0600
> On Wed, Nov 26, 2014 at 12:28:12PM -0500, David Miller wrote:
>> From: Seth Forshee
>> Date: Tue, 25 Nov 2014 20:28:24 -0600
>>
>> > These BUGs can be erroneously triggered by frags which refer to
>>
From: Seth Forshee
Date: Tue, 25 Nov 2014 20:28:24 -0600
> These BUGs can be erroneously triggered by frags which refer to
> tail pages within a compound page. The data in these pages may
> overrun the hardware page while still being contained within the
> compound page, but since compound_order(
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