• Mike Rapoport (Microsoft)'s avatar
    arch_numa: switch over to numa_memblks · 76750765
    Mike Rapoport (Microsoft) authored
    Until now arch_numa was directly translating firmware NUMA information
    to memblock.
    
    Using numa_memblks as an intermediate step has a few advantages:
    * alignment with more battle tested x86 implementation
    * availability of NUMA emulation
    * maintaining node information for not yet populated memory
    
    Adjust a few places in numa_memblks to compile with 32-bit phys_addr_t and
    replace current functionality related to numa_add_memblk() and
    __node_distance() in arch_numa with the implementation based on
    numa_memblks and add functions required by numa_emulation.
    
    [rppt@kernel.org: fix section mismatch]
      Link: https://lkml.kernel.org/r/ZrO6cExVz1He_yPn@kernel.org
    [rppt@kernel.org: PFN_PHYS() translation is unnecessary here]
      Link: https://lkml.kernel.org/r/Zs2T5wkSYO9MGcab@kernel.org
    Link: https://lkml.kernel.org/r/20240807064110.1003856-25-rppt@kernel.orgSigned-off-by: default avatarMike Rapoport (Microsoft) <rppt@kernel.org>
    Tested-by: Zi Yan <ziy@nvidia.com> # for x86_64 and arm64
    Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
    Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU]
    Acked-by: default avatarDan Williams <dan.j.williams@intel.com>
    Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
    Cc: Alexander Gordeev <agordeev@linux.ibm.com>
    Cc: Andreas Larsson <andreas@gaisler.com>
    Cc: Arnd Bergmann <arnd@arndb.de>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Catalin Marinas <catalin.marinas@arm.com>
    Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
    Cc: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: Davidlohr Bueso <dave@stgolabs.net>
    Cc: David S. Miller <davem@davemloft.net>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: Heiko Carstens <hca@linux.ibm.com>
    Cc: Huacai Chen <chenhuacai@kernel.org>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
    Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
    Cc: Jonathan Corbet <corbet@lwn.net>
    Cc: Michael Ellerman <mpe@ellerman.id.au>
    Cc: Palmer Dabbelt <palmer@dabbelt.com>
    Cc: Rafael J. Wysocki <rafael@kernel.org>
    Cc: Rob Herring (Arm) <robh@kernel.org>
    Cc: Samuel Holland <samuel.holland@sifive.com>
    Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Vasily Gorbik <gor@linux.ibm.com>
    Cc: Will Deacon <will@kernel.org>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    76750765
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