linux-kernel - Re: [PATCH] PCI: pnv_php: add WQ_PERCPU to alloc

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Message-ID: <CAAofZF4M_iAbYssdkfoZb8XGXQVxOzQqGPrW-nTaknUWdCiz=Q@mail.gmail.com>
Date: Wed, 24 Dec 2025 16:14:56 +0100
From: Marco Crivellari <marco.crivellari@...e.com>
To: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org
Cc: Tejun Heo <tj@...nel.org>, Lai Jiangshan <jiangshanlai@...il.com>, 
	Frederic Weisbecker <frederic@...nel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, 
	Michal Hocko <mhocko@...e.com>, Madhavan Srinivasan <maddy@...ux.ibm.com>, 
	Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
	Christophe Leroy <christophe.leroy@...roup.eu>, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH] PCI: pnv_php: add WQ_PERCPU to alloc_workqueue users

On Fri, Nov 7, 2025 at 3:33 PM Marco Crivellari
<marco.crivellari@...e.com> wrote:
> [...]
> ---
>  drivers/pci/hotplug/pnv_php.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
> index c5345bff9a55..35f1758126c6 100644
> --- a/drivers/pci/hotplug/pnv_php.c
> +++ b/drivers/pci/hotplug/pnv_php.c
> @@ -802,7 +802,7 @@ static struct pnv_php_slot *pnv_php_alloc_slot(struct device_node *dn)
>         }
>
>         /* Allocate workqueue for this slot's interrupt handling */
> -       php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
> +       php_slot->wq = alloc_workqueue("pciehp-%s", WQ_PERCPU, 0, php_slot->name);
>         if (!php_slot->wq) {
>                 SLOT_WARN(php_slot, "Cannot alloc workqueue\n");
>                 kfree(php_slot->name);

Gentle ping.

Thanks!

-- 

Marco Crivellari

L3 Support Engineer