Messages in this thread | | | From | Anup Patel <> | Subject | [PATCH v5 0/4] Add PMEM support for RISC-V | Date | Thu, 20 Oct 2022 13:28:42 +0530 |
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The Linux NVDIMM PEM drivers require arch support to map and access the persistent memory device. This series adds RISC-V PMEM support using recently added Svpbmt and Zicbom support.
First two patches are fixes and remaining two patches add the required PMEM support for Linux RISC-V.
These patches can also be found in riscv_pmem_v5 branch at: https://github.com/avpatel/linux.git
Changes since v4: - Simplify PATCH2 by implementing RISC-V specific arch_memremap_wb()
Changes since v3: - Pickup correct version of Drew's patch as PATCH1
Changes since v2: - Rebased on Linux-6.1-rc1 - Replaced PATCH1 with the patch proposed by Drew
Changes since v1: - Fix error reported by test bot https://lore.kernel.org/all/202208272028.IwrNZ0Ur-lkp@intel.com/
Andrew Jones (1): RISC-V: Fix compilation without RISCV_ISA_ZICBOM
Anup Patel (3): RISC-V: Fix MEMREMAP_WB for systems with Svpbmt RISC-V: Implement arch specific PMEM APIs RISC-V: Enable PMEM drivers
arch/riscv/Kconfig | 1 + arch/riscv/configs/defconfig | 1 + arch/riscv/include/asm/cacheflush.h | 8 ------ arch/riscv/include/asm/io.h | 5 ++++ arch/riscv/mm/Makefile | 1 + arch/riscv/mm/cacheflush.c | 38 ++++++++++++++++++++++++++ arch/riscv/mm/dma-noncoherent.c | 41 ----------------------------- arch/riscv/mm/pmem.c | 21 +++++++++++++++ 8 files changed, 67 insertions(+), 49 deletions(-) create mode 100644 arch/riscv/mm/pmem.c
-- 2.34.1
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