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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>, Jiri Slaby <jirislaby@kernel.org>
Subject: [patch 09/46] genirq/cpuhotplug: Convert to lock guards
Date: Thu, 13 Mar 2025 16:59:57 +0100 (CET)	[thread overview]
Message-ID: <20250313155914.476509483@linutronix.de> (raw)
In-Reply-To: 20250313154615.860723120@linutronix.de

Convert all lock/unlock pairs to guards and tidy up the code.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/cpuhotplug.c |   10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -177,9 +177,8 @@ void irq_migrate_all_off_this_cpu(void)
 		bool affinity_broken;
 
 		desc = irq_to_desc(irq);
-		raw_spin_lock(&desc->lock);
-		affinity_broken = migrate_one_irq(desc);
-		raw_spin_unlock(&desc->lock);
+		scoped_guard (raw_spinlock, &desc->lock)
+			affinity_broken = migrate_one_irq(desc);
 
 		if (affinity_broken) {
 			pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n",
@@ -244,9 +243,8 @@ int irq_affinity_online_cpu(unsigned int
 	irq_lock_sparse();
 	for_each_active_irq(irq) {
 		desc = irq_to_desc(irq);
-		raw_spin_lock_irq(&desc->lock);
-		irq_restore_affinity_of_irq(desc, cpu);
-		raw_spin_unlock_irq(&desc->lock);
+		scoped_guard (raw_spinlock, &desc->lock)
+			irq_restore_affinity_of_irq(desc, cpu);
 	}
 	irq_unlock_sparse();
 


  parent reply	other threads:[~2025-03-13 15:59 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-13 15:59 [patch 00/46] genirq: Cleanups and conversion to lock guards Thomas Gleixner
2025-03-13 15:59 ` [patch 01/46] genirq: Provide conditional " Thomas Gleixner
2025-03-13 15:59 ` [patch 02/46] genirq/irqdesc: Switch to " Thomas Gleixner
2025-03-14 10:57   ` Jiri Slaby
2025-03-13 15:59 ` [patch 03/46] genirq/autoprobe: " Thomas Gleixner
2025-03-13 15:59 ` [patch 04/46] genirq/pm: " Thomas Gleixner
2025-03-13 15:59 ` [patch 05/46] genirq/resend: " Thomas Gleixner
2025-03-17  8:22   ` Shrikanth Hegde
2025-03-13 15:59 ` [patch 06/46] genirq/proc: " Thomas Gleixner
2025-03-13 15:59 ` [patch 07/46] genirq/spurious: Cleanup code Thomas Gleixner
2025-03-13 15:59 ` [patch 08/46] genirq/spurious: Switch to lock guards Thomas Gleixner
2025-03-13 15:59 ` Thomas Gleixner [this message]
2025-03-13 15:59 ` [patch 10/46] genirq/debugfs: Convert " Thomas Gleixner
2025-03-13 16:00 ` [patch 11/46] genirq/chip: Prepare for code reduction Thomas Gleixner
2025-03-13 16:00 ` [patch 12/46] genirq/chip: Rework handle_nested_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 13/46] genirq/chip: Rework handle_simple_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 14/46] genirq/chip: Rework handle_untracked_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 15/46] genirq/chip: Rework handle_level_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 16/46] genirq/chip: Rework handle_eoi_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 17/46] genirq/chip: Rework handle_edge_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 18/46] genirq/chip: Rework handle_edge_eoi_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 19/46] genirq/chip: Rework handle_fasteoi_ack_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 20/46] genirq/chip: Rework handle_fasteoi_mask_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 21/46] genirq/chip: Use lock guards where applicable Thomas Gleixner
2025-03-13 16:00 ` [patch 22/46] genirq/chip: Rework irq_set_chip() Thomas Gleixner
2025-03-13 16:00 ` [patch 23/46] genirq/chip: Rework irq_set_irq_type() Thomas Gleixner
2025-03-13 16:00 ` [patch 24/46] genirq/chip: Rework irq_set_handler_data() Thomas Gleixner
2025-03-13 16:00 ` [patch 25/46] genirq/chip: Rework irq_set_msi_desc_off() Thomas Gleixner
2025-03-13 16:00 ` [patch 26/46] genirq/chip: Rework irq_set_chip_data() Thomas Gleixner
2025-03-13 16:00 ` [patch 27/46] genirq/chip: Rework irq_set_handler() variants Thomas Gleixner
2025-03-13 16:00 ` [patch 28/46] genirq/chip: Rework irq_modify_status() Thomas Gleixner
2025-03-13 16:00 ` [patch 29/46] genirq/manage: Cleanup kernel doc comments Thomas Gleixner
2025-03-13 16:00 ` [patch 30/46] genirq/manage: Convert to lock guards Thomas Gleixner
2025-03-13 16:00 ` [patch 31/46] genirq/manage: Rework irq_update_affinity_desc() Thomas Gleixner
2025-03-13 16:00 ` [patch 32/46] genirq/manage: Rework __irq_apply_affinity_hint() Thomas Gleixner
2025-03-13 16:00 ` [patch 33/46] genirq/manage: Rework irq_set_vcpu_affinity() Thomas Gleixner
2025-03-13 16:00 ` [patch 34/46] genirq/manage: Rework __disable_irq_nosync() Thomas Gleixner
2025-03-13 16:00 ` [patch 35/46] genirq/manage: Rework enable_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 36/46] genirq/manage: Rework irq_set_irq_wake() Thomas Gleixner
2025-03-13 16:00 ` [patch 37/46] genirq/manage: Rework can_request_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 38/46] genirq/manage: Rework irq_set_parent() Thomas Gleixner
2025-03-13 16:00 ` [patch 39/46] genirq/manage: Rework enable_percpu_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 40/46] genirq/manage: Rework irq_percpu_is_enabled() Thomas Gleixner
2025-03-13 16:00 ` [patch 41/46] genirq/manage: Rework disable_percpu_irq() Thomas Gleixner
2025-03-13 16:00 ` [patch 42/46] genirq/manage: Rework prepare_percpu_nmi() Thomas Gleixner
2025-03-13 16:00 ` [patch 43/46] genirq/manage: Rework teardown_percpu_nmi() Thomas Gleixner
2025-03-13 16:00 ` [patch 44/46] genirq/manage: Rework irq_get_irqchip_state() Thomas Gleixner
2025-03-13 16:01 ` [patch 45/46] genirq/manage: Rework irq_set_irqchip_state() Thomas Gleixner
2025-03-13 16:01 ` [patch 46/46] genirq: Remove irq_[get|put]_desc*() Thomas Gleixner
2025-03-14  9:04 ` [patch 00/46] genirq: Cleanups and conversion to lock guards Peter Zijlstra

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