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authorBarry Song <song.bao.hua@hisilicon.com>2020-06-19 06:00:45 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-10 15:14:37 +0300
commit4a60406d3592373b8fd27ddfd010c5e62ad6c674 (patch)
treec222443b64feee47c2db0bb8cedc8b96d3fa1c77 /lib/devres.c
parent079ad2fb4bf9eba8a0aaab014b49705cd7f07c66 (diff)
downloadlinux-4a60406d3592373b8fd27ddfd010c5e62ad6c674.tar.xz
driver core: platform: expose numa_node to users in sysfs
Some platform devices like ARM SMMU are memory-mapped and populated by ACPI/IORT. In this case, NUMA topology of those platform devices are exported by firmware as well. Software might care about the numa_node of those devices in order to achieve NUMA locality. This patch will show the numa_node for this kind of devices in sysfs. For those platform devices without numa, numa_node won't be visible. Cc: Prime Zeng <prime.zeng@hisilicon.com> Cc: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Barry Song <song.bao.hua@hisilicon.com> Link: https://lore.kernel.org/r/20200619030045.81956-1-song.bao.hua@hisilicon.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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