linux-kernel - [PATCH v2 4/5] genirq/msi: Engage the .msi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250513163144.2215824-5-maz@kernel.org>
Date: Tue, 13 May 2025 17:31:43 +0100
From: Marc Zyngier <maz@...nel.org>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Sascha Bischoff <sascha.bischoff@....com>,
	Timothy Hayes <timothy.hayes@....com>
Subject: [PATCH v2 4/5] genirq/msi: Engage the .msi_teardown() callback on domain removal

Kindly inform the MSI driver that we are tearing down the domain,
providing the allocation context previously populated on domain
creation.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 kernel/irq/msi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 07eb857efd15e..8f3d9f5ff1eb4 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);
-- 
2.39.2