linux-kernel - [tip: irq/msi] genirq/msi: Engage the .msi

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Message-ID: <174738973633.406.11378243360513505199.tip-bot2@tip-bot2>
Date: Fri, 16 May 2025 10:02:16 -0000
From: "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Marc Zyngier <maz@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: irq/msi] genirq/msi: Engage the .msi_teardown() callback on
 domain removal

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

Commit-ID:     03c298760ed97c5981402d64c4eed9bc4f2f0a4e
Gitweb:        https://git.kernel.org/tip/03c298760ed97c5981402d64c4eed9bc4f2f0a4e
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Tue, 13 May 2025 17:31:43 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 14 May 2025 12:36:42 +02:00

genirq/msi: Engage the .msi_teardown() callback on domain removal

Kindly inform the MSI driver that the domain is torn down, providing the
allocation context previously populated on domain creation.

Signed-off-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/20250513163144.2215824-5-maz@kernel.org

---
 kernel/irq/msi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 1098f26..b5559fa 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -1096,6 +1096,9 @@ void msi_remove_device_irq_domain(struct device *dev, unsigned int domid)
 
 	dev->msi.data->__domains[domid].domain = NULL;
 	info = domain->host_data;
+
+	info->ops->msi_teardown(domain, info->alloc_data);
+
 	if (irq_domain_is_msi_device(domain))
 		fwnode = domain->fwnode;
 	irq_domain_remove(domain);