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Groups > linux.kernel > #1605487
| From | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH net-next 1/8] ptr_ring: introduce batch dequeuing |
| Date | 2017-03-21 11:30 +0100 |
| Message-ID | <tnpd7-20s-1@gated-at.bofh.it> (permalink) |
| References | <tnjr3-6vs-3@gated-at.bofh.it> <tnjr4-6vs-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello!
On 3/21/2017 7:04 AM, Jason Wang wrote:
> Signed-off-by: Jason Wang <jasowang@redhat.com>
> ---
> include/linux/ptr_ring.h | 65 ++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 65 insertions(+)
>
> diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
> index 6c70444..4771ded 100644
> --- a/include/linux/ptr_ring.h
> +++ b/include/linux/ptr_ring.h
> @@ -247,6 +247,22 @@ static inline void *__ptr_ring_consume(struct ptr_ring *r)
> return ptr;
> }
>
> +static inline int __ptr_ring_consume_batched(struct ptr_ring *r,
> + void **array, int n)
> +{
> + void *ptr;
> + int i = 0;
> +
> + while (i < n) {
Hm, why not *for*?
> + ptr = __ptr_ring_consume(r);
> + if (!ptr)
> + break;
> + array[i++] = ptr;
> + }
> +
> + return i;
> +}
> +
> /*
> * Note: resize (below) nests producer lock within consumer lock, so if you
> * call this in interrupt or BH context, you must disable interrupts/BH when
> @@ -297,6 +313,55 @@ static inline void *ptr_ring_consume_bh(struct ptr_ring *r)
[...]
MBR, Sergei
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[PATCH net-next 0/8] vhost-net rx batching Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
[PATCH net-next 3/8] tun: export skb_array Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
[PATCH net-next 1/8] ptr_ring: introduce batch dequeuing Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
Re: [PATCH net-next 1/8] ptr_ring: introduce batch dequeuing Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2017-03-21 11:30 +0100
Re: [PATCH net-next 1/8] ptr_ring: introduce batch dequeuing Jason Wang <jasowang@redhat.com> - 2017-03-22 04:20 +0100
Re: [PATCH net-next 1/8] ptr_ring: introduce batch dequeuing "Michael S. Tsirkin" <mst@redhat.com> - 2017-03-22 14:50 +0100
Re: [PATCH net-next 1/8] ptr_ring: introduce batch dequeuing Jason Wang <jasowang@redhat.com> - 2017-03-23 09:10 +0100
[PATCH net-next 5/8] tun: support receiving skb through msg_control Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
[PATCH net-next 7/8] vhost_net: try batch dequing from skb array Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
Re: [PATCH net-next 7/8] vhost_net: try batch dequing from skb array "Michael S. Tsirkin" <mst@redhat.com> - 2017-03-22 15:20 +0100
Re: [PATCH net-next 7/8] vhost_net: try batch dequing from skb array Jason Wang <jasowang@redhat.com> - 2017-03-23 10:20 +0100
[PATCH net-next 4/8] tap: export skb_array Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
[PATCH net-next 6/8] tap: support receiving skb from msg_control Jason Wang <jasowang@redhat.com> - 2017-03-21 05:20 +0100
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