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216e04bf1e
linux/arch/riscv
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Björn Töpel 216e04bf1e
riscv: mm: Add support for ZONE_DEVICE 
ZONE_DEVICE pages need DEVMAP PTEs support to function
(ARCH_HAS_PTE_DEVMAP). Claim another RSW (reserved for software) bit
in the PTE for DEVMAP mark, add the corresponding helpers, and enable
ARCH_HAS_PTE_DEVMAP for riscv64.

Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20240605114100.315918-11-bjorn@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-06-26 08:42:46 -07:00
..
boot riscv: make image compression configurable 2024-05-22 16:12:44 -07:00
configs RISC-V Patches for the 6.10 Merge Window, Part 1 2024-05-22 09:56:00 -07:00
crypto crypto: riscv - add vector crypto accelerated AES-CBC-CTS 2024-03-20 08:56:11 -07:00
errata RISC-V Patches for the 6.10 Merge Window, Part 1 2024-05-22 09:56:00 -07:00
include riscv: mm: Add support for ZONE_DEVICE 2024-06-26 08:42:46 -07:00
kernel RISC-V Patches for the 6.10 Merge Window, Part 2 2024-05-24 10:46:35 -07:00
kvm Kbuild updates for v6.10 2024-05-18 12:39:20 -07:00
lib riscv: uaccess: Relax the threshold for fast path 2024-05-22 16:12:55 -07:00
mm riscv: mm: Take memory hotplug read-lock during kernel page table dump 2024-06-26 08:42:43 -07:00
net Modules changes for v6.10-rc1 2024-05-15 14:05:08 -07:00
purgatory Makefile: remove redundant tool coverage variables 2024-05-14 23:35:48 +09:00
tools riscv: Check relocations at compile time 2023-04-19 07:46:32 -07:00
Kbuild RISC-V: hook new crypto subdir into build-system 2024-01-22 17:55:17 -08:00
Kconfig riscv: mm: Add support for ZONE_DEVICE 2024-06-26 08:42:46 -07:00
Kconfig.debug riscv: Add tests for riscv module loading 2023-11-07 14:59:32 -08:00
Kconfig.errata riscv: thead: Rename T-Head PBMT to MAE 2024-04-25 10:22:33 -07:00
Kconfig.socs RISC-V: drop SOC_VIRT for ARCH_VIRT 2024-04-10 11:37:50 +01:00
Makefile RISC-V Patches for the 6.10 Merge Window, Part 2 2024-05-24 10:46:35 -07:00
Makefile.postlink kbuild: remove ARCH_POSTLINK from module builds 2023-10-28 21:10:08 +09:00