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Date: Thu, 28 Mar 2024 17:49:40 +0100
From: Robert Richter <rrichter@amd.com>
To: kernel test robot <oliver.sang@intel.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-acpi@vger.kernel.org,
	ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org,
	Len Brown <lenb@kernel.org>
Subject: Re: [PATCH v2 3/3] ACPI/NUMA: Remove architecture dependent
 remainings
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References: <20240319120026.2246389-4-rrichter@amd.com>
 <202403220943.96dde419-oliver.sang@intel.com>
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On 22.03.24 10:12:04, kernel test robot wrote:
> kernel test robot noticed a -43.6% regression of vm-scalability.throughput on:
> 
> 
> commit: 09f84589a8ed1162c0274a1b5b3dadb98ee3155e ("[PATCH v2 3/3] ACPI/NUMA: Remove architecture dependent remainings")
> url: https://github.com/intel-lab-lkp/linux/commits/Robert-Richter/x86-numa-Fix-SRAT-lookup-of-CFMWS-ranges-with-numa_fill_memblks/20240319-200345
> base: https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git linux-next
> patch link: https://lore.kernel.org/all/20240319120026.2246389-4-rrichter@amd.com/
> patch subject: [PATCH v2 3/3] ACPI/NUMA: Remove architecture dependent remainings

I have root cause the regression. After refactoring of the function an
error in acpi_numa_memory_affinity_init() is no longer ignored
(e.g. if a mem range is disabled) which finally causes
acpi_numa_init() to fail too.

Will be fixed in v3.

Thanks to the kernel test robot team.

-Robert