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ACPI fixes for 5.9-rc3

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- Avoid redundant rounding to the page size in acpi_os_map_iomem()
    to address a recently introduced issue with the EFI memory map
    permission check on ARM64 (Ard Biesheuvel).
 
  - Fix acpi_release_memory() to wait until the memory mappings
    released by it have been really unmapped (Rafael Wysocki).
 
  - Make the ACPI driver for AMD SoCs (APD) check the return value
    of acpi_dev_get_property() to avoid failures in the cases when the
    device property under inspection is missing (Furquan Shaikh).
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Merge tag 'acpi-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix two recent issues in the ACPI memory mappings management
  code and tighten up error handling in the ACPI driver for AMD SoCs
  (APD).

  Specifics:

   - Avoid redundant rounding to the page size in acpi_os_map_iomem() to
     address a recently introduced issue with the EFI memory map
     permission check on ARM64 (Ard Biesheuvel).

   - Fix acpi_release_memory() to wait until the memory mappings
     released by it have been really unmapped (Rafael Wysocki).

   - Make the ACPI driver for AMD SoCs (APD) check the return value of
     acpi_dev_get_property() to avoid failures in the cases when the
     device property under inspection is missing (Furquan Shaikh)"

* tag 'acpi-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: OSL: Prevent acpi_release_memory() from returning too early
  ACPI: ioremap: avoid redundant rounding to OS page size
  ACPI: SoC: APD: Check return value of acpi_dev_get_property()
This commit is contained in:
Linus Torvalds 2020-08-28 13:17:14 -07:00
commit 0b2f18e7ae
2 changed files with 21 additions and 6 deletions
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