Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Wed, 24 Jan 2024 18:35:20 -0000 | From | "tip-bot2 for Dawei Li" <> | Subject | [tip: irq/core] genirq: Initialize resend_node hlist for all interrupt descriptors |
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The following commit has been merged into the irq/core branch of tip:
Commit-ID: b184c8c2889ceef0a137c7d0567ef9fe3d92276e Gitweb: https://git.kernel.org/tip/b184c8c2889ceef0a137c7d0567ef9fe3d92276e Author: Dawei Li <dawei.li@shingroup.cn> AuthorDate: Mon, 22 Jan 2024 16:57:15 +08:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Wed, 24 Jan 2024 14:15:41 +01:00
genirq: Initialize resend_node hlist for all interrupt descriptors
For a CONFIG_SPARSE_IRQ=n kernel, early_irq_init() is supposed to initialize all interrupt descriptors.
It does except for irq_desc::resend_node, which ia only initialized for the first descriptor.
Use the indexed decriptor and not the base pointer to address that.
Fixes: bc06a9e08742 ("genirq: Use hlist for managing resend handlers") Signed-off-by: Dawei Li <dawei.li@shingroup.cn> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Marc Zyngier <maz@kernel.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240122085716.2999875-5-dawei.li@shingroup.cn
--- kernel/irq/irqdesc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 27ca1c8..371eb17 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -600,7 +600,7 @@ int __init early_irq_init(void) mutex_init(&desc[i].request_mutex); init_waitqueue_head(&desc[i].wait_for_threads); desc_set_defaults(i, &desc[i], node, NULL, NULL); - irq_resend_init(desc); + irq_resend_init(&desc[i]); } return arch_early_irq_init(); }
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