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From: "tip-bot2 for Sebastian Andrzej Siewior" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org, maz@kernel.org
Subject: [tip: irq/core] net: jme: Replace link-change tasklet with work
Date: Wed, 17 Mar 2021 15:48:57 -0000	[thread overview]
Message-ID: <161599613752.398.15060273706431400877.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20210309084242.106288922@linutronix.de>

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     c62c38e349c73cad90f59f00fe8070b3648b6d08
Gitweb:        https://git.kernel.org/tip/c62c38e349c73cad90f59f00fe8070b3648b6d08
Author:        Sebastian Andrzej Siewior <bigeasy@linutronix.de>
AuthorDate:    Tue, 09 Mar 2021 09:42:11 +01:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Wed, 17 Mar 2021 16:33:58 +01:00

net: jme: Replace link-change tasklet with work

The link change tasklet disables the tasklets for tx/rx processing while
upating hw parameters and then enables the tasklets again.

This update can also be pushed into a workqueue where it can be performed
in preemptible context. This allows tasklet_disable() to become sleeping.

Replace the linkch_task tasklet with a work.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210309084242.106288922@linutronix.de

---
 drivers/net/ethernet/jme.c | 10 +++++-----
 drivers/net/ethernet/jme.h |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index e9efe07..f1b9284 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1265,9 +1265,9 @@ jme_stop_shutdown_timer(struct jme_adapter *jme)
 	jwrite32f(jme, JME_APMC, apmc);
 }
 
-static void jme_link_change_tasklet(struct tasklet_struct *t)
+static void jme_link_change_work(struct work_struct *work)
 {
-	struct jme_adapter *jme = from_tasklet(jme, t, linkch_task);
+	struct jme_adapter *jme = container_of(work, struct jme_adapter, linkch_task);
 	struct net_device *netdev = jme->dev;
 	int rc;
 
@@ -1510,7 +1510,7 @@ jme_intr_msi(struct jme_adapter *jme, u32 intrstat)
 		 * all other events are ignored
 		 */
 		jwrite32(jme, JME_IEVE, intrstat);
-		tasklet_schedule(&jme->linkch_task);
+		schedule_work(&jme->linkch_task);
 		goto out_reenable;
 	}
 
@@ -1832,7 +1832,6 @@ jme_open(struct net_device *netdev)
 	jme_clear_pm_disable_wol(jme);
 	JME_NAPI_ENABLE(jme);
 
-	tasklet_setup(&jme->linkch_task, jme_link_change_tasklet);
 	tasklet_setup(&jme->txclean_task, jme_tx_clean_tasklet);
 	tasklet_setup(&jme->rxclean_task, jme_rx_clean_tasklet);
 	tasklet_setup(&jme->rxempty_task, jme_rx_empty_tasklet);
@@ -1920,7 +1919,7 @@ jme_close(struct net_device *netdev)
 
 	JME_NAPI_DISABLE(jme);
 
-	tasklet_kill(&jme->linkch_task);
+	cancel_work_sync(&jme->linkch_task);
 	tasklet_kill(&jme->txclean_task);
 	tasklet_kill(&jme->rxclean_task);
 	tasklet_kill(&jme->rxempty_task);
@@ -3035,6 +3034,7 @@ jme_init_one(struct pci_dev *pdev,
 	atomic_set(&jme->rx_empty, 1);
 
 	tasklet_setup(&jme->pcc_task, jme_pcc_tasklet);
+	INIT_WORK(&jme->linkch_task, jme_link_change_work);
 	jme->dpi.cur = PCC_P1;
 
 	jme->reg_ghc = 0;
diff --git a/drivers/net/ethernet/jme.h b/drivers/net/ethernet/jme.h
index a2c3b00..2af7632 100644
--- a/drivers/net/ethernet/jme.h
+++ b/drivers/net/ethernet/jme.h
@@ -411,7 +411,7 @@ struct jme_adapter {
 	struct tasklet_struct	rxempty_task;
 	struct tasklet_struct	rxclean_task;
 	struct tasklet_struct	txclean_task;
-	struct tasklet_struct	linkch_task;
+	struct work_struct	linkch_task;
 	struct tasklet_struct	pcc_task;
 	unsigned long		flags;
 	u32			reg_txcs;

  reply	other threads:[~2021-03-17 15:50 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09  8:42 [patch 00/14] tasklets: Replace the spin wait loops and make it RT safe Thomas Gleixner
2021-03-09  8:42 ` [patch 01/14] tasklets: Replace barrier() with cpu_relax() in tasklet_unlock_wait() Thomas Gleixner
2021-03-17 15:49   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:42 ` [patch 02/14] tasklets: Use static inlines for stub implementations Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:42 ` [patch 03/14] tasklets: Provide tasklet_disable_in_atomic() Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:42 ` [patch 04/14] tasklets: Use spin wait in tasklet_disable() temporarily Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:42 ` [patch 05/14] tasklets: Replace spin wait in tasklet_unlock_wait() Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Peter Zijlstra
2021-03-09  8:42 ` [patch 06/14] tasklets: Replace spin wait in tasklet_kill() Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Peter Zijlstra
2021-03-09  8:42 ` [patch 07/14] tasklets: Prevent tasklet_unlock_spin_wait() deadlock on RT Thomas Gleixner
2021-03-09 15:00   ` Sebastian Andrzej Siewior
2021-03-09 15:21     ` Sebastian Andrzej Siewior
2021-03-10  8:35       ` Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09  8:42 ` [patch 08/14] net: jme: Replace link-change tasklet with work Thomas Gleixner
2021-03-17 15:48   ` tip-bot2 for Sebastian Andrzej Siewior [this message]
2021-03-09  8:42 ` [patch 09/14] net: sundance: Use tasklet_disable_in_atomic() Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2021-03-09  8:42 ` [patch 10/14] ath9k: " Thomas Gleixner
2021-03-09 10:23   ` Kalle Valo
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2021-03-09  8:42 ` [patch 11/14] atm: eni: Use tasklet_disable_in_atomic() in the send() callback Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2021-03-09  8:42 ` [patch 12/14] PCI: hv: Use tasklet_disable_in_atomic() Thomas Gleixner
2021-03-09 22:17   ` Bjorn Helgaas
2021-03-10 11:34   ` Wei Liu
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2021-03-09  8:42 ` [patch 13/14] firewire: ohci: Use tasklet_disable_in_atomic() where required Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Sebastian Andrzej Siewior
2021-03-09  8:42 ` [patch 14/14] tasklets: Switch tasklet_disable() to the sleep wait variant Thomas Gleixner
2021-03-17 15:48   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-03-09 14:04 ` [patch 00/14] tasklets: Replace the spin wait loops and make it RT safe Peter Zijlstra

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