linux-kernel - Re: [PATCH v2 1/3] x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill

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Message-ID: <ZfvrHAQ9GMQ9aJlk@rric.localdomain>
Date: Thu, 21 Mar 2024 09:09:00 +0100
From: Robert Richter <rrichter@....com>
To: Dan Williams <dan.j.williams@...el.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	x86@...nel.org, Alison Schofield <alison.schofield@...el.com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-cxl@...r.kernel.org, Derick Marks <derick.w.marks@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH v2 1/3] x86/numa: Fix SRAT lookup of CFMWS ranges with
 numa_fill_memblks()

Dan,

On 19.03.24 13:15:48, Dan Williams wrote:
> Does this achieve the goal without an additional hunk like this?
> 
> diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
> index 1be13b2dfe8b..1aaa447ef24b 100644
> --- a/arch/x86/include/asm/sparsemem.h
> +++ b/arch/x86/include/asm/sparsemem.h
> @@ -37,9 +37,9 @@ extern int phys_to_target_node(phys_addr_t start);
>  #define phys_to_target_node phys_to_target_node
>  extern int memory_add_physaddr_to_nid(u64 start);
>  #define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
> +#endif
>  extern int numa_fill_memblks(u64 start, u64 end);
>  #define numa_fill_memblks numa_fill_memblks
> -#endif
>  #endif /* __ASSEMBLY__ */
>  
>  #endif /* _ASM_X86_SPARSEMEM_H */

right, there are some build issues that need to be fixed in this
patch. Sorry for that.

Thanks,

-Robert