arm64/acpi: restrict AML opregion memory access
Status from this message: Applied to arm64 (for-next/acpi), thanks!
Get series with b4
b4 am [email protected]Versions newest first · linked by author and title
- v3 Latest2 patches 13 repliesApplied
- v2 RFC1 patch 5 repliesSuperseded
- v1 RFC1 patch 5 repliesSuperseded
Changes in v3 from the cover letter
- split into two patches
- fallback to __ioremap() for ACPI reclaim memory, in case it is not covered by the linear mapping (e.g., when booting a kdump kernel)
Patches in v3 Applied
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | arm64/acpi: disallow AML memory opregions to access kernel memoryarch/ arch/ | +67 | 6 replies | |
| 2/2 | arm64/acpi: disallow writeable AML opregion mapping for EFI code regionsarch/ | +9 | 4 replies |
Reviews trailers per patch
1 of 2 patches has a Reviewed-by or Acked-by of their own; the series has one for all of them.
| Patch | Lorenzo Pieralisi | Jonathan Cameron |
|---|---|---|
| Series | A-b | |
| 1/2 | T-b R-b | |
| 2/2 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH v3 0/2] arm64/acpi: restrict AML opregion memory access
v2:
- do a more elaborate check on the region, against the EFI memory map
v3:
- split into two patches
- fallback to __ioremap() for ACPI reclaim memory, in case it is not covered by the linear mapping (e.g., when booting a kdump kernel)
Ard Biesheuvel (2):
arm64/acpi: disallow AML memory opregions to access kernel memory arm64/acpi: disallow writeable AML opregion mapping for EFI code
regions
arch/arm64/include/asm/acpi.h | 15 +--- arch/arm64/kernel/acpi.c | 75 ++++++++++++++++++++ 2 files changed, 76 insertions(+), 14 deletions(-)
Signature · 1 line
2.27.0