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[v4,0/2] memblock: make memblock_find_in_range method private

Message ID 20210812065907.20046-1-rppt@kernel.org
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Series memblock: make memblock_find_in_range method private | expand

Message

Mike Rapoport Aug. 12, 2021, 6:59 a.m. UTC 
From: Mike Rapoport <rppt@linux.ibm.com>

Hi,

This is v4 of "memblock: make memblock_find_in_range method private" patch
that essentially replaces memblock_find_in_range() + memblock_reserve()
calls with equivalent calls to memblock_phys_alloc() and prevents usage of
memblock_find_in_range() outside memblock itself.

The patch uncovered an issue with top down memory mapping on x86 and this
version has a preparation patch that addresses this issue.

Guenter, I didn't add your Tested-by because the patch that addresses the
crashes differs from the one you've tested.

v4: 
* Add patch that prevents the crashes reported by Guenter Roeck on x86/i386
  on QEMU with 256M or 512M of memory and EFI boot enabled.
* Add Acked-by and Reviewed-by, thanks everybidy!

v3: https://lore.kernel.org/lkml/20210803064218.6611-1-rppt@kernel.org
* simplify check for exact crash kerenl allocation on arm, per Rob
* make crash_max unsigned long long on arm64, per Rob

v2: https://lore.kernel.org/lkml/20210802063737.22733-1-rppt@kernel.org
* don't change error message in arm::reserve_crashkernel(), per Russell

v1: https://lore.kernel.org/lkml/20210730104039.7047-1-rppt@kernel.org

Mike Rapoport (2):
  x86/mm: memory_map_top_down: remove spurious reservation of upper 2M
  memblock: make memblock_find_in_range method private

 arch/arm/kernel/setup.c           | 20 +++++---------
 arch/arm64/kvm/hyp/reserved_mem.c |  9 +++----
 arch/arm64/mm/init.c              | 36 ++++++++-----------------
 arch/mips/kernel/setup.c          | 14 +++++-----
 arch/riscv/mm/init.c              | 44 ++++++++++---------------------
 arch/s390/kernel/setup.c          | 10 ++++---
 arch/x86/kernel/aperture_64.c     |  5 ++--
 arch/x86/mm/init.c                | 27 +++++++------------
 arch/x86/mm/numa.c                |  5 ++--
 arch/x86/mm/numa_emulation.c      |  5 ++--
 arch/x86/realmode/init.c          |  2 +-
 drivers/acpi/tables.c             |  5 ++--
 drivers/base/arch_numa.c          |  5 +---
 drivers/of/of_reserved_mem.c      | 12 ++++++---
 include/linux/memblock.h          |  2 --
 mm/memblock.c                     |  2 +-
 16 files changed, 76 insertions(+), 127 deletions(-)


base-commit: ff1176468d368232b684f75e82563369208bc371