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([171.76.81.23]) by smtp.gmail.com with ESMTPSA id y27-20020a634b1b000000b0041cd5ddde6fsm592240pga.76.2022.08.29.21.47.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Aug 2022 21:47:29 -0700 (PDT) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley Cc: Atish Patra , Heiko Stuebner , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [PATCH v2 0/4] Add PMEM support for RISC-V Date: Tue, 30 Aug 2022 10:16:38 +0530 Message-Id: <20220830044642.566769-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220829_214731_233810_0B957F12 X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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. These patches can also be found in riscv_pmem_v2 branch at: https://github.com/avpatel/linux.git Changes since v1: - Fix error reported by test bot https://lore.kernel.org/all/202208272028.IwrNZ0Ur-lkp@intel.com/ Anup Patel (4): RISC-V: Fix ioremap_cache() and ioremap_wc() for systems with Svpbmt RISC-V: Move riscv_init_cbom_blocksize() to cacheflush.c 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 | 2 ++ arch/riscv/include/asm/io.h | 10 ++++++++ arch/riscv/include/asm/pgtable.h | 2 ++ arch/riscv/mm/Makefile | 1 + arch/riscv/mm/cacheflush.c | 39 +++++++++++++++++++++++++++++ arch/riscv/mm/dma-noncoherent.c | 38 ---------------------------- arch/riscv/mm/pmem.c | 21 ++++++++++++++++ 9 files changed, 77 insertions(+), 38 deletions(-) create mode 100644 arch/riscv/mm/pmem.c -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv