linux-kernel - Re: [patch 16/20] PCI/MSI: Use msi_domain_alloc/free_irqs_all

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Date:   Mon, 14 Nov 2022 11:13:03 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Ashok Raj <ashok.raj@...el.com>, Jon Mason <jdmason@...zu.us>,
        Allen Hubbe <allenbh@...il.com>,
        "Ahmed S. Darwish" <darwi@...utronix.de>,
        Reinette Chatre <reinette.chatre@...el.com>
Subject: Re: [patch 16/20] PCI/MSI: Use
 msi_domain_alloc/free_irqs_all_locked()

On Fri, Nov 11, 2022 at 02:57:03PM +0100, Thomas Gleixner wrote:
> Switch to the new domain id aware interfaces to phase out the previous
> ones. No functional change.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>

> ---
>  drivers/pci/msi/irqdomain.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> --- a/drivers/pci/msi/irqdomain.c
> +++ b/drivers/pci/msi/irqdomain.c
> @@ -14,7 +14,7 @@ int pci_msi_setup_msi_irqs(struct pci_de
>  
>  	domain = dev_get_msi_domain(&dev->dev);
>  	if (domain && irq_domain_is_hierarchy(domain))
> -		return msi_domain_alloc_irqs_descs_locked(domain, &dev->dev, nvec);
> +		return msi_domain_alloc_irqs_all_locked(&dev->dev, MSI_DEFAULT_DOMAIN, nvec);
>  
>  	return pci_msi_legacy_setup_msi_irqs(dev, nvec, type);
>  }
> @@ -25,7 +25,7 @@ void pci_msi_teardown_msi_irqs(struct pc
>  
>  	domain = dev_get_msi_domain(&dev->dev);
>  	if (domain && irq_domain_is_hierarchy(domain)) {
> -		msi_domain_free_irqs_descs_locked(domain, &dev->dev);
> +		msi_domain_free_irqs_all_locked(&dev->dev, MSI_DEFAULT_DOMAIN);
>  	} else {
>  		pci_msi_legacy_teardown_msi_irqs(dev);
>  		msi_free_msi_descs(&dev->dev);
>