From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: David Marchand <david.marchand@redhat.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: RE: [PATCH v2 11/20] net/virtio: annotate lock for guest announce
Date: Mon, 27 Feb 2023 02:05:40 +0000 [thread overview]
Message-ID: <SN6PR11MB35049B5DD4C482C19E56CBBC9CAF9@SN6PR11MB3504.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230224151143.3274897-12-david.marchand@redhat.com>
Hi David,
> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Friday, February 24, 2023 11:12 PM
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; Maxime Coquelin <maxime.coquelin@redhat.com>; Xia,
> Chenbo <chenbo.xia@intel.com>
> Subject: [PATCH v2 11/20] net/virtio: annotate lock for guest announce
>
> Expose requirements for helpers dealing with the
> VIRTIO_DEV_TO_HW(dev)->state_lock lock.
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
> ---
> drivers/net/virtio/virtio_ethdev.c | 8 ++++----
> drivers/net/virtio/virtio_ethdev.h | 7 +++++--
> 2 files changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 0103d95920..a3de44958c 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -1149,11 +1149,11 @@ virtio_dev_pause(struct rte_eth_dev *dev)
> {
> struct virtio_hw *hw = dev->data->dev_private;
>
> - rte_spinlock_lock(&hw->state_lock);
> + rte_spinlock_lock(&VIRTIO_DEV_TO_HW(dev)->state_lock);
>
> if (hw->started == 0) {
> /* Device is just stopped. */
> - rte_spinlock_unlock(&hw->state_lock);
> + rte_spinlock_unlock(&VIRTIO_DEV_TO_HW(dev)->state_lock);
> return -1;
> }
> hw->started = 0;
> @@ -1174,7 +1174,7 @@ virtio_dev_resume(struct rte_eth_dev *dev)
> struct virtio_hw *hw = dev->data->dev_private;
>
> hw->started = 1;
> - rte_spinlock_unlock(&hw->state_lock);
> + rte_spinlock_unlock(&VIRTIO_DEV_TO_HW(dev)->state_lock);
> }
>
> /*
> @@ -1217,7 +1217,7 @@ virtio_notify_peers(struct rte_eth_dev *dev)
> }
>
> /* If virtio port just stopped, no need to send RARP */
> - if (virtio_dev_pause(dev) < 0) {
> + if (virtio_dev_pause(dev) != 0) {
> rte_pktmbuf_free(rarp_mbuf);
> return;
> }
> diff --git a/drivers/net/virtio/virtio_ethdev.h
> b/drivers/net/virtio/virtio_ethdev.h
> index c08f382791..ece0130603 100644
> --- a/drivers/net/virtio/virtio_ethdev.h
> +++ b/drivers/net/virtio/virtio_ethdev.h
> @@ -112,8 +112,11 @@ int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
>
> void virtio_interrupt_handler(void *param);
>
> -int virtio_dev_pause(struct rte_eth_dev *dev);
> -void virtio_dev_resume(struct rte_eth_dev *dev);
> +#define VIRTIO_DEV_TO_HW(dev) ((struct virtio_hw *)(dev)->data-
> >dev_private)
> +int virtio_dev_pause(struct rte_eth_dev *dev)
> + __rte_exclusive_trylock_function(0, &VIRTIO_DEV_TO_HW(dev)-
> >state_lock);
Just curious, why this is trylock instead of lock?
Thanks,
Chenbo
> +void virtio_dev_resume(struct rte_eth_dev *dev)
> + __rte_unlock_function(&VIRTIO_DEV_TO_HW(dev)->state_lock);
> int virtio_dev_stop(struct rte_eth_dev *dev);
> int virtio_dev_close(struct rte_eth_dev *dev);
> int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts,
> --
> 2.39.2
next prev parent reply other threads:[~2023-02-27 2:05 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-24 8:16 [PATCH 00/14] Enable lock annotations on most libraries and drivers David Marchand
2023-02-24 8:16 ` [PATCH 01/14] malloc: rework heap lock handling David Marchand
2023-02-24 8:16 ` [PATCH 02/14] mem: rework malloc heap init David Marchand
2023-02-24 8:16 ` [PATCH 03/14] mem: annotate shared memory config locks David Marchand
2023-02-24 8:16 ` [PATCH 04/14] hash: annotate cuckoo hash lock David Marchand
2023-02-24 8:16 ` [PATCH 05/14] graph: annotate graph lock David Marchand
2023-02-24 8:16 ` [PATCH 06/14] drivers: inherit lock annotations for Intel drivers David Marchand
2023-02-24 8:16 ` [PATCH 07/14] net/cxgbe: inherit lock annotations David Marchand
2023-02-24 8:16 ` [PATCH 08/14] net/fm10k: annotate mailbox lock David Marchand
2023-02-24 8:16 ` [PATCH 09/14] net/sfc: rework locking in proxy code David Marchand
2023-02-24 8:16 ` [PATCH 10/14] net/sfc: inherit lock annotations David Marchand
2023-02-24 8:16 ` [PATCH 11/14] net/virtio: annotate lock for guest announce David Marchand
2023-02-24 8:16 ` [PATCH 12/14] raw/ifpga: inherit lock annotations David Marchand
2023-02-24 8:16 ` [PATCH 13/14] vdpa/sfc: " David Marchand
2023-02-24 8:16 ` [PATCH 14/14] enable lock check David Marchand
2023-02-24 15:11 ` [PATCH v2 00/20] Enable lock annotations on most libraries and drivers David Marchand
2023-02-24 15:11 ` [PATCH v2 01/20] malloc: rework heap lock handling David Marchand
2023-02-24 15:11 ` [PATCH v2 02/20] mem: rework malloc heap init David Marchand
2023-02-24 15:11 ` [PATCH v2 03/20] mem: annotate shared memory config locks David Marchand
2023-02-24 15:11 ` [PATCH v2 04/20] hash: annotate cuckoo hash lock David Marchand
2023-02-24 15:11 ` [PATCH v2 05/20] graph: annotate graph lock David Marchand
2023-02-24 15:11 ` [PATCH v2 06/20] drivers: inherit lock annotations for Intel drivers David Marchand
2023-02-24 15:11 ` [PATCH v2 07/20] net/cxgbe: inherit lock annotations David Marchand
2023-02-24 15:11 ` [PATCH v2 08/20] net/fm10k: annotate mailbox lock David Marchand
2023-02-24 15:11 ` [PATCH v2 09/20] net/sfc: rework locking in proxy code David Marchand
2023-02-24 15:11 ` [PATCH v2 10/20] net/sfc: inherit lock annotations David Marchand
2023-02-24 15:11 ` [PATCH v2 11/20] net/virtio: annotate lock for guest announce David Marchand
2023-02-27 2:05 ` Xia, Chenbo [this message]
2023-02-27 8:24 ` David Marchand
2023-02-27 16:28 ` Maxime Coquelin
2023-02-28 2:45 ` Xia, Chenbo
2023-03-02 9:26 ` David Marchand
2023-03-02 9:28 ` Maxime Coquelin
2023-03-02 12:35 ` David Marchand
2023-02-24 15:11 ` [PATCH v2 12/20] raw/ifpga: inherit lock annotations David Marchand
2023-02-27 6:29 ` Xu, Rosen
2023-02-27 7:15 ` Huang, Wei
2023-02-24 15:11 ` [PATCH v2 13/20] vdpa/sfc: " David Marchand
2023-02-24 15:11 ` [PATCH v2 14/20] ipc: annotate pthread mutex David Marchand
2023-02-24 15:11 ` [PATCH v2 15/20] ethdev: " David Marchand
2023-02-24 15:11 ` [PATCH v2 16/20] net/failsafe: fix mutex locking David Marchand
2023-02-24 15:35 ` Gaëtan Rivet
2023-02-24 15:11 ` [PATCH v2 17/20] net/failsafe: annotate pthread mutex David Marchand
2023-02-24 15:11 ` [PATCH v2 18/20] net/hinic: " David Marchand
2023-02-24 15:11 ` [PATCH v2 19/20] eal/windows: disable lock check on alarm code David Marchand
2023-02-24 15:11 ` [PATCH v2 20/20] enable lock check David Marchand
2023-02-27 2:32 ` Xia, Chenbo
2023-02-24 15:58 ` [PATCH v2 00/20] Enable lock annotations on most libraries and drivers Gaëtan Rivet
2023-02-25 10:16 ` David Marchand
2023-02-27 16:12 ` Gaëtan Rivet
2023-03-02 8:52 ` David Marchand
2023-04-03 10:52 ` David Marchand
2023-04-03 15:03 ` Tyler Retzlaff
2023-04-03 15:36 ` Tyler Retzlaff
2023-04-04 7:45 ` David Marchand
2023-04-04 12:48 ` [PATCH v3 00/16] " David Marchand
2023-04-04 12:48 ` [PATCH v3 01/16] malloc: rework heap destroy David Marchand
2023-04-04 12:48 ` [PATCH v3 02/16] mem: rework malloc heap init David Marchand
2023-04-04 12:48 ` [PATCH v3 03/16] mem: annotate shared memory config locks David Marchand
2023-04-04 12:48 ` [PATCH v3 04/16] hash: annotate cuckoo hash lock David Marchand
2023-04-04 12:48 ` [PATCH v3 05/16] graph: annotate graph lock David Marchand
2023-04-04 12:48 ` [PATCH v3 06/16] drivers: inherit lock annotations for Intel drivers David Marchand
2023-04-04 12:48 ` [PATCH v3 07/16] net/cxgbe: inherit lock annotations David Marchand
2023-04-04 12:48 ` [PATCH v3 08/16] net/fm10k: annotate mailbox lock David Marchand
2023-04-04 12:48 ` [PATCH v3 09/16] net/sfc: rework locking in proxy code David Marchand
2023-04-04 12:48 ` [PATCH v3 10/16] net/sfc: inherit lock annotations David Marchand
2023-04-04 12:48 ` [PATCH v3 11/16] net/virtio: rework guest announce notify helper David Marchand
2023-04-04 12:48 ` [PATCH v3 12/16] raw/ifpga: inherit lock annotations David Marchand
2023-04-04 12:48 ` [PATCH v3 13/16] vdpa/sfc: " David Marchand
2023-04-04 12:48 ` [PATCH v3 14/16] net/failsafe: fix mutex locking David Marchand
2023-04-04 12:48 ` [PATCH v3 15/16] eal/windows: disable lock check on alarm code David Marchand
2023-04-04 16:08 ` Tyler Retzlaff
2023-04-04 21:02 ` Dmitry Kozlyuk
2023-04-04 12:48 ` [PATCH v3 16/16] enable lock check David Marchand
2023-04-11 3:21 ` Sachin Saxena (OSS)
2023-04-23 20:09 ` [PATCH v3 00/16] Enable lock annotations on most libraries and drivers Thomas Monjalon
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