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RE: [PATCH 17/37] xen/x86: use CONFIG_NUMA to gate numa_scan_nodes
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Wei Chen <Wei.Chen@xxxxxxx>
- Date: Thu, 27 Jan 2022 08:37:54 +0000
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- Cc: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "julien@xxxxxxx" <julien@xxxxxxx>
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- Thread-topic: [PATCH 17/37] xen/x86: use CONFIG_NUMA to gate numa_scan_nodes
Hi Jan,
> -----Original Message-----
> From: Jan Beulich <jbeulich@xxxxxxxx>
> Sent: 2022年1月25日 18:26
> To: Wei Chen <Wei.Chen@xxxxxxx>
> Cc: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>; xen-
> devel@xxxxxxxxxxxxxxxxxxxx; sstabellini@xxxxxxxxxx; julien@xxxxxxx
> Subject: Re: [PATCH 17/37] xen/x86: use CONFIG_NUMA to gate
> numa_scan_nodes
>
> On 23.09.2021 14:02, Wei Chen wrote:
> > As we have turned numa_scan_nodes to neutral function. If we
> > still use CONFIG_ACPI_NUMA in numa_initmem_init to gate
> > numa_scan_nodes that doesn't make sense. As CONFIG_ACPI_NUMA
> > will be selected by CONFIG_NUMA for x86. So in this patch,
> > we replace CONFIG_ACPI_NUMA by CONFIG_NUMA.
> >
> > Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
> > ---
> > xen/arch/x86/numa.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c
> > index 8a4710df39..509d2738c0 100644
> > --- a/xen/arch/x86/numa.c
> > +++ b/xen/arch/x86/numa.c
> > @@ -260,7 +260,7 @@ void __init numa_initmem_init(unsigned long
> start_pfn, unsigned long end_pfn)
> > start = pfn_to_paddr(start_pfn);
> > end = pfn_to_paddr(end_pfn);
> >
> > -#ifdef CONFIG_ACPI_NUMA
> > +#ifdef CONFIG_NUMA
> > if ( !numa_off && !numa_scan_nodes(start, end) )
> > return;
> > #endif
>
> Why is this a separate patch, rather than part of the one renaming
> the function?
I will merge these two patches.
>
> Jan
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