linux-kernel - Re: [PATCH v6 08/16] ACPI / NUMA: add a stub function for node_to

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Message-ID: <20210204183841.y4fgwjuggtbrnere@liuwe-devbox-debian-v2>
Date:   Thu, 4 Feb 2021 18:38:41 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Linux on Hyper-V List <linux-hyperv@...r.kernel.org>
Cc:     virtualization@...ts.linux-foundation.org,
        Linux Kernel List <linux-kernel@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Vineeth Pillai <viremana@...ux.microsoft.com>,
        Sunil Muthuswamy <sunilmut@...rosoft.com>,
        Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
        pasha.tatashin@...een.com, Wei Liu <wei.liu@...nel.org>,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Len Brown <lenb@...nel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" 
        <linux-acpi@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>
Subject: Re: [PATCH v6 08/16] ACPI / NUMA: add a stub function for
 node_to_pxm()

On Wed, Feb 03, 2021 at 03:04:27PM +0000, Wei Liu wrote:
> There is already a stub function for pxm_to_node but conversion to the
> other direction is missing.
> 
> It will be used by Microsoft Hypervisor code later.
> 
> Signed-off-by: Wei Liu <wei.liu@...nel.org>

Hi ACPI maintainers, if you're happy with this patch I can take it via
the hyperv-next tree, given the issue is discovered when pxm_to_node is
called in our code.

> ---
> v6: new
> ---
>  include/acpi/acpi_numa.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h
> index a4c6ef809e27..40a91ce87e04 100644
> --- a/include/acpi/acpi_numa.h
> +++ b/include/acpi/acpi_numa.h
> @@ -30,6 +30,10 @@ static inline int pxm_to_node(int pxm)
>  {
>  	return 0;
>  }
> +static inline int node_to_pxm(int node)
> +{
> +	return 0;
> +}
>  #endif				/* CONFIG_ACPI_NUMA */
>  
>  #ifdef CONFIG_ACPI_HMAT
> -- 
> 2.20.1
>