linux-kernel - Re: [PATCH v2 13/13] cpu/hotplug: Remove unused cpuhp_state CPUHP_PCI_XGENE

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Message-ID: <aHEOeF6PKl1xO7ZR@lpieralisi>
Date: Fri, 11 Jul 2025 15:15:36 +0200
From: Lorenzo Pieralisi <lpieralisi@...nel.org>
To: Marc Zyngier <maz@...nel.org>, Thomas Gleixner <tglx@...utronix.de>
Cc: linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Toan Le <toan@...amperecomputing.com>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v2 13/13] cpu/hotplug: Remove unused cpuhp_state
 CPUHP_PCI_XGENE_DEAD

On Tue, Jul 08, 2025 at 06:34:04PM +0100, Marc Zyngier wrote:
> Now that the XGene MSI driver has been mostly rewritten and doesn't
> use the CPU hotplug infrastructure, CPUHP_PCI_XGENE_DEAD is unused.
> 
> Remove it to reduce the size of cpuhp_hp_states[].
> 
> Signed-off-by: Marc Zyngier <maz@...nel.org>
> ---
>  include/linux/cpuhotplug.h | 1 -
>  1 file changed, 1 deletion(-)

Hi Thomas,

I would upstream this patch through the PCI tree please let me know if that's OK.

Thanks,
Lorenzo

> diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> index df366ee15456b..eaca70eb6136b 100644
> --- a/include/linux/cpuhotplug.h
> +++ b/include/linux/cpuhotplug.h
> @@ -90,7 +90,6 @@ enum cpuhp_state {
>  	CPUHP_RADIX_DEAD,
>  	CPUHP_PAGE_ALLOC,
>  	CPUHP_NET_DEV_DEAD,
> -	CPUHP_PCI_XGENE_DEAD,
>  	CPUHP_IOMMU_IOVA_DEAD,
>  	CPUHP_AP_ARM_CACHE_B15_RAC_DEAD,
>  	CPUHP_PADATA_DEAD,
> -- 
> 2.39.2
>