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From: Stefano Stabellini <sstabellini@kernel.org>
To: Wei Chen <wei.chen@arm.com>
Cc: xen-devel@lists.xenproject.org, sstabellini@kernel.org,
	julien@xen.org,  Bertrand.Marquis@arm.com
Subject: Re: [PATCH 36/37] xen/arm: Provide Kconfig options for Arm to enable NUMA
Date: Thu, 23 Sep 2021 20:31:36 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.21.2109232029450.17979@sstabellini-ThinkPad-T480s> (raw)
In-Reply-To: <20210923120236.3692135-37-wei.chen@arm.com>

On Thu, 23 Sep 2021, Wei Chen wrote:
> Arm platforms support both ACPI and device tree. We don't
> want users to select device tree NUMA or ACPI NUMA manually.
> We hope usrs can just enable NUMA for Arm, and device tree
          ^ users

> NUMA and ACPI NUMA can be selected depends on device tree
> feature and ACPI feature status automatically. In this case,
> these two kinds of NUMA support code can be co-exist in one
> Xen binary. Xen can check feature flags to decide using
> device tree or ACPI as NUMA based firmware.
> 
> So in this patch, we introduce a generic option:
> CONFIG_ARM_NUMA for user to enable NUMA for Arm.
                      ^ users

> And one CONFIG_DEVICE_TREE_NUMA option for ARM_NUMA
> to select when HAS_DEVICE_TREE option is enabled.
> Once when ACPI NUMA for Arm is supported, ACPI_NUMA
> can be selected here too.
> 
> Signed-off-by: Wei Chen <wei.chen@arm.com>
> ---
>  xen/arch/arm/Kconfig | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
> index 865ad83a89..ded94ebd37 100644
> --- a/xen/arch/arm/Kconfig
> +++ b/xen/arch/arm/Kconfig
> @@ -34,6 +34,17 @@ config ACPI
>  	  Advanced Configuration and Power Interface (ACPI) support for Xen is
>  	  an alternative to device tree on ARM64.
>  
> + config DEVICE_TREE_NUMA
> +	def_bool n
> +	select NUMA
> +
> +config ARM_NUMA
> +	bool "Arm NUMA (Non-Uniform Memory Access) Support (UNSUPPORTED)" if UNSUPPORTED
> +	select DEVICE_TREE_NUMA if HAS_DEVICE_TREE

Should it be: depends on HAS_DEVICE_TREE ?
(And eventually depends on HAS_DEVICE_TREE || ACPI)


> +	---help---
> +
> +	  Enable Non-Uniform Memory Access (NUMA) for Arm architecutres
                                                      ^ architectures


> +
>  config GICV3
>  	bool "GICv3 driver"
>  	depends on ARM_64 && !NEW_VGIC
> -- 
> 2.25.1
> 


  reply	other threads:[~2021-09-24  3:31 UTC|newest]

Thread overview: 192+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-23 12:01 [PATCH 00/37] Add device tree based NUMA support to Arm Wei Chen
2021-09-23 12:02 ` [PATCH 01/37] xen/arm: Print a 64-bit number in hex from early uart Wei Chen
2021-09-23 12:02 ` [PATCH 02/37] xen: introduce a Kconfig option to configure NUMA nodes number Wei Chen
2021-09-23 23:45   ` Stefano Stabellini
2021-09-24  1:24     ` Wei Chen
2021-09-24  8:55   ` Jan Beulich
2021-09-24 10:33     ` Wei Chen
2021-09-24 10:47       ` Jan Beulich
2021-09-23 12:02 ` [PATCH 03/37] xen/x86: Initialize memnodemapsize while faking NUMA node Wei Chen
2021-09-24  8:57   ` Jan Beulich
2021-09-24 10:34     ` Wei Chen
2021-09-23 12:02 ` [PATCH 04/37] xen: introduce an arch helper for default dma zone status Wei Chen
2021-09-23 23:55   ` Stefano Stabellini
2021-09-24  1:50     ` Wei Chen
2022-01-17 16:10   ` Jan Beulich
2022-01-18  7:51     ` Wei Chen
2022-01-18  8:16       ` Jan Beulich
2022-01-18  9:20         ` Wei Chen
2022-01-18 14:16           ` Jan Beulich
2022-01-19  2:49             ` Wei Chen
2022-01-19  7:50               ` Jan Beulich
2022-01-19  8:33                 ` Wei Chen
2021-09-23 12:02 ` [PATCH 05/37] xen: decouple NUMA from ACPI in Kconfig Wei Chen
2021-09-23 12:02 ` [PATCH 06/37] xen/arm: use !CONFIG_NUMA to keep fake NUMA API Wei Chen
2021-09-24  0:05   ` Stefano Stabellini
2021-09-24 10:21     ` Wei Chen
2021-09-23 12:02 ` [PATCH 07/37] xen/x86: use paddr_t for addresses in NUMA node structure Wei Chen
2021-09-24  0:11   ` Stefano Stabellini
2021-09-24  0:13     ` Stefano Stabellini
2021-09-24  3:00       ` Wei Chen
2022-01-18 15:22   ` Jan Beulich
2022-01-19  6:33     ` Wei Chen
2022-01-19  7:55       ` Jan Beulich
2022-01-19  8:36         ` Wei Chen
2021-09-23 12:02 ` [PATCH 08/37] xen/x86: add detection of discontinous node memory range Wei Chen
2021-09-24  0:25   ` Stefano Stabellini
2021-09-24  4:28     ` Wei Chen
2021-09-24 19:52       ` Stefano Stabellini
2021-09-26 10:11         ` Wei Chen
2021-09-27  3:13           ` Stefano Stabellini
2021-09-27  5:05             ` Stefano Stabellini
2021-09-27  9:50               ` Wei Chen
2021-09-27 17:19                 ` Stefano Stabellini
2021-09-28  4:41                   ` Wei Chen
2021-09-28  4:59                     ` Stefano Stabellini
2022-01-18 16:13   ` Jan Beulich
2022-01-19  7:33     ` Wei Chen
2022-01-19  8:01       ` Jan Beulich
2022-01-19  8:24         ` Wei Chen
2021-09-23 12:02 ` [PATCH 09/37] xen/x86: introduce two helpers to access memory hotplug end Wei Chen
2021-09-24  0:29   ` Stefano Stabellini
2021-09-24  4:21     ` Wei Chen
2022-01-24 16:24   ` Jan Beulich
2022-01-26  7:53     ` Wei Chen
2021-09-23 12:02 ` [PATCH 10/37] xen/x86: use helpers to access/update mem_hotplug Wei Chen
2021-09-24  0:31   ` Stefano Stabellini
2021-09-24  4:29     ` Wei Chen
2022-01-24 16:29   ` Jan Beulich
2022-01-26  7:58     ` Wei Chen
2021-09-23 12:02 ` [PATCH 11/37] xen/x86: abstract neutral code from acpi_numa_memory_affinity_init Wei Chen
2021-09-24  0:38   ` Stefano Stabellini
2022-01-24 16:50   ` Jan Beulich
2022-01-26 10:39     ` Wei Chen
2021-09-23 12:02 ` [PATCH 12/37] xen/x86: decouple nodes_cover_memory from E820 map Wei Chen
2021-09-24  0:39   ` Stefano Stabellini
2022-01-24 16:59   ` Jan Beulich
2022-01-27  8:03     ` Wei Chen
2022-01-27  8:08       ` Jan Beulich
2022-01-27  9:03         ` Wei Chen
2022-01-27  9:22           ` Jan Beulich
2022-01-27  9:27             ` Wei Chen
2021-09-23 12:02 ` [PATCH 13/37] xen/x86: decouple processor_nodes_parsed from acpi numa functions Wei Chen
2021-09-24  0:40   ` Stefano Stabellini
2022-01-25  9:49   ` Jan Beulich
2022-01-27  8:06     ` Wei Chen
2021-09-23 12:02 ` [PATCH 14/37] xen/x86: use name fw_numa to replace acpi_numa Wei Chen
2021-09-24  0:40   ` Stefano Stabellini
2022-01-25 10:12   ` Jan Beulich
2022-01-27  8:09     ` Wei Chen
2021-09-23 12:02 ` [PATCH 15/37] xen/x86: rename acpi_scan_nodes to numa_scan_nodes Wei Chen
2021-09-24  0:40   ` Stefano Stabellini
2022-01-25 10:17   ` Jan Beulich
2022-01-27  8:14     ` Wei Chen
2021-09-23 12:02 ` [PATCH 16/37] xen/x86: export srat_bad to external Wei Chen
2021-09-24  0:41   ` Stefano Stabellini
2022-01-25 10:22   ` Jan Beulich
2022-01-27  8:35     ` Wei Chen
2022-01-27  8:37       ` Jan Beulich
2022-01-27  8:47         ` Wei Chen
2021-09-23 12:02 ` [PATCH 17/37] xen/x86: use CONFIG_NUMA to gate numa_scan_nodes Wei Chen
2021-09-24  0:41   ` Stefano Stabellini
2022-01-25 10:26   ` Jan Beulich
2022-01-27  8:37     ` Wei Chen
2021-09-23 12:02 ` [PATCH 18/37] xen: move NUMA common code from x86 to common Wei Chen
2021-09-23 12:02 ` [PATCH 19/37] xen/x86: promote VIRTUAL_BUG_ON to ASSERT in Wei Chen
2022-01-17 16:21   ` Jan Beulich
2022-01-18  7:52     ` Wei Chen
2021-09-23 12:02 ` [PATCH 20/37] xen: introduce CONFIG_EFI to stub API for non-EFI architecture Wei Chen
2021-09-24  1:15   ` Stefano Stabellini
2021-09-24  4:34     ` Wei Chen
2021-09-24  7:58       ` Jan Beulich
2021-09-24 10:31         ` Wei Chen
2021-09-24 10:49           ` Jan Beulich
2021-09-26 10:25             ` Wei Chen
2021-09-27 10:28               ` Wei Chen
2021-09-28  0:59                 ` Stefano Stabellini
2021-09-28  4:16                   ` Wei Chen
2021-09-28  5:01                     ` Stefano Stabellini
2021-09-28  8:02                       ` Jan Beulich
2021-10-03 23:28                         ` Wei Chen
2022-01-25 10:34   ` Jan Beulich
2022-01-27  8:44     ` Wei Chen
2022-01-27  8:51       ` Wei Chen
2022-01-27  9:00         ` Jan Beulich
2022-01-27  9:09           ` Wei Chen
2022-01-27  9:16             ` Jan Beulich
2022-01-27  9:25               ` Wei Chen
2022-01-27  9:27                 ` Jan Beulich
2022-01-27 10:00                   ` Julien Grall
2022-01-28  4:35                     ` Wei Chen
2021-09-23 12:02 ` [PATCH 21/37] xen/arm: Keep memory nodes in dtb for NUMA when boot from EFI Wei Chen
2021-09-24  1:23   ` Stefano Stabellini
2021-09-24  4:36     ` Wei Chen
2022-01-25 10:38   ` Jan Beulich
2022-01-27  8:45     ` Wei Chen
2021-09-23 12:02 ` [PATCH 22/37] xen/arm: use NR_MEM_BANKS to override default NR_NODE_MEMBLKS Wei Chen
2021-09-24  1:34   ` Stefano Stabellini
2021-09-26 13:13     ` Wei Chen
2021-09-27  3:25       ` Stefano Stabellini
2021-09-27  4:18         ` Wei Chen
2021-09-27  4:59           ` Stefano Stabellini
2021-09-27  6:25             ` Julien Grall
2021-09-27  6:46             ` Wei Chen
2021-09-27  6:53               ` Wei Chen
2021-09-27  7:35                 ` Julien Grall
2021-09-27 10:21                   ` Wei Chen
2021-09-27 10:39                     ` Julien Grall
2021-09-27 16:58                       ` Stefano Stabellini
2021-09-28  2:57                         ` Wei Chen
2021-09-23 12:02 ` [PATCH 23/37] xen/arm: implement node distance helpers for Arm Wei Chen
2021-09-24  1:46   ` Stefano Stabellini
2021-09-24  4:41     ` Wei Chen
2021-09-24 19:36       ` Stefano Stabellini
2021-09-26 10:15         ` Wei Chen
2021-09-23 12:02 ` [PATCH 24/37] xen/arm: implement two arch helpers to get memory map info Wei Chen
2021-09-24  2:06   ` Stefano Stabellini
2021-09-24  4:42     ` Wei Chen
2021-09-23 12:02 ` [PATCH 25/37] xen/arm: implement bad_srat for Arm NUMA initialization Wei Chen
2021-09-24  2:09   ` Stefano Stabellini
2021-09-24  4:45     ` Wei Chen
2021-09-24  8:07     ` Jan Beulich
2021-09-24 19:33       ` Stefano Stabellini
2021-09-23 12:02 ` [PATCH 26/37] xen/arm: build NUMA cpu_to_node map in dt_smp_init_cpus Wei Chen
2021-09-24  2:26   ` Stefano Stabellini
2021-09-24  4:25     ` Wei Chen
2021-09-23 12:02 ` [PATCH 27/37] xen/arm: Add boot and secondary CPU to NUMA system Wei Chen
2021-09-23 12:02 ` [PATCH 28/37] xen/arm: stub memory hotplug access helpers for Arm Wei Chen
2021-09-24  2:33   ` Stefano Stabellini
2021-09-24  4:26     ` Wei Chen
2021-09-23 12:02 ` [PATCH 29/37] xen/arm: introduce a helper to parse device tree processor node Wei Chen
2021-09-24  2:44   ` Stefano Stabellini
2021-09-24  4:46     ` Wei Chen
2021-09-23 12:02 ` [PATCH 30/37] xen/arm: introduce a helper to parse device tree memory node Wei Chen
2021-09-24  3:05   ` Stefano Stabellini
2021-09-24  7:54     ` Wei Chen
2021-09-23 12:02 ` [PATCH 31/37] xen/arm: introduce a helper to parse device tree NUMA distance map Wei Chen
2021-09-24  3:05   ` Stefano Stabellini
2021-09-24  5:23     ` Wei Chen
2021-09-23 12:02 ` [PATCH 32/37] xen/arm: unified entry to parse all NUMA data from device tree Wei Chen
2021-09-24  3:16   ` Stefano Stabellini
2021-09-24  7:58     ` Wei Chen
2021-09-24 19:42       ` Stefano Stabellini
2021-09-23 12:02 ` [PATCH 33/37] xen/arm: keep guest still be NUMA unware Wei Chen
2021-09-24  3:19   ` Stefano Stabellini
2021-09-24 10:23     ` Wei Chen
2021-09-23 12:02 ` [PATCH 34/37] xen/arm: enable device tree based NUMA in system init Wei Chen
2021-09-24  3:28   ` Stefano Stabellini
2021-09-24  9:52     ` Wei Chen
2021-09-23 12:02 ` [PATCH 35/37] xen/arm: use CONFIG_NUMA to gate node_online_map in smpboot Wei Chen
2021-09-23 12:02 ` [PATCH 36/37] xen/arm: Provide Kconfig options for Arm to enable NUMA Wei Chen
2021-09-24  3:31   ` Stefano Stabellini [this message]
2021-09-24 10:13     ` Wei Chen
2021-09-24 19:39       ` Stefano Stabellini
2021-09-27  8:33         ` Jan Beulich
2021-09-27  8:45           ` Julien Grall
2021-09-27  9:17             ` Jan Beulich
2021-09-27 17:17               ` Stefano Stabellini
2021-09-28  2:59                 ` Wei Chen
2021-09-28  3:30                   ` Stefano Stabellini
2021-09-24 10:25   ` Jan Beulich
2021-09-24 10:37     ` Wei Chen
2021-09-23 12:02 ` [PATCH 37/37] docs: update numa command line to support Arm Wei Chen

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