linux-kernel - Re: [PATCH v6 0/3] Add PMEM support for RISC-V

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Date:   Sat, 3 Dec 2022 11:42:52 +0530
From:   Anup Patel <apatel@...tanamicro.com>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     Atish Patra <atishp@...shpatra.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Arnd Bergmann <arnd@...db.de>,
        Anup Patel <anup@...infault.org>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Paul Walmsley <paul.walmsley@...ive.com>
Subject: Re: [PATCH v6 0/3] Add PMEM support for RISC-V

Hi Palmer,

On Mon, Nov 14, 2022 at 2:36 PM Anup Patel <apatel@...tanamicro.com> wrote:
>
> 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_v6 branch at:
> https://github.com/avpatel/linux.git
>
> Changes since v5:
>  - Rebased on Linux-6.1-rc5
>  - Directly add pmem.o in obj-y of PATCH3
>  - Dropped PATCH1 since this is already merged.
>
> 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/
>
> Anup Patel (3):
>   RISC-V: Fix MEMREMAP_WB for systems with Svpbmt
>   RISC-V: Implement arch specific PMEM APIs
>   RISC-V: Enable PMEM drivers

Can this series be considered for Linux-6.2 ?

Regards,
Anup

>
>  arch/riscv/Kconfig           |  1 +
>  arch/riscv/configs/defconfig |  1 +
>  arch/riscv/include/asm/io.h  |  5 +++++
>  arch/riscv/mm/Makefile       |  1 +
>  arch/riscv/mm/pmem.c         | 21 +++++++++++++++++++++
>  5 files changed, 29 insertions(+)
>  create mode 100644 arch/riscv/mm/pmem.c
>
> --
> 2.34.1
>