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x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 05kL4ZpM3b5nDWY6JlaFz+n6HDAsi+GFM+4GrsdW4weZpwuMVAz8XJR5DM7MHJecgKqBcXjA88KB47BWRpoGD9s+Fdbr+LVhSkccTcpNg6F8WoMLe3yrHPfVW7YhP3Gm0/yYEdmQdGJ+voESBmQ3LslhQeWGhuBXYaRvyct0TBPjzH3CotgbOXz+Ss53pLkA4Oq2gH3EUY6up1NNLVZIb4t/QOiOxh/nnYQv/CfiMD/yG6F167hOXCyU8Xn2grgVLzdBK42+CPRLIBZC00OcCUMxIKEEe3pG28Dq4jCtnMQI9mMyKnHTpn6CtlFReCh2PDS1ss/6gQaIA9gqx6D7tosS5A1/wxEllEVDodqEWu6A14Iuq2Cf+BG+FjO0A4WmLb2fPhErm30NPPGTfq9V1VhEcspk0osZ2GPkTzmeFYM= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: f46e3c01-e6d3-4c6c-00ac-08d691a9de05 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Feb 2019 11:53:25.0824 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB6171 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset does: 1. Moves MM related code from kernel/setup.c to mm/init.c 2. Implements compile-time fixed mappings Using fixed mappings, we get earlyprints even without SBI calls. For example, we can now use kernel parameter "earlycon=3Duart8250,mmio,0x10000000" to get early prints on QEMU virt machine without using SBI calls. The patchset is tested on QEMU virt machine. It is based on Linux-5.0-rc6 and can be found at riscv_fixmap_v6 branch of: https://github.com/avpatel/linux.git. Changes since v5: - Drop PATCH1. Instead move setup_initrd() to mm/init.c along with setup_bootmem() Changes since v4: - Use free_reserved_area() instead of memblock_free() in PATCH6 Changes since v3: - Re-worked and simplified PATCH6 Changes since v2: - Fixed commit description of PATCH6 - Ensured commit description of all PATCH use upto 72 characters per line Changes since v1: - Use more characters per line in changelog of PATCH3 - Removed #ifndef __ASSEMBLY__ from PATCH5 - Use more characters per line in commets of PATCH5 - Added PATCH6 to implement keepinitrd kernel parameter Anup Patel (5): RISC-V: Setup init_mm before parse_early_param() RISC-V: Move setup_bootmem() to mm/init.c RISC-V: Move setup_vm() to mm/init.c RISC-V: Implement compile-time fixed mappings RISC-V: Free-up initrd in free_initrd_mem() arch/riscv/Kconfig | 3 + arch/riscv/include/asm/fixmap.h | 44 +++++++++ arch/riscv/include/asm/pgtable.h | 1 + arch/riscv/kernel/setup.c | 130 +------------------------- arch/riscv/mm/init.c | 156 ++++++++++++++++++++++++++++++- 5 files changed, 207 insertions(+), 127 deletions(-) create mode 100644 arch/riscv/include/asm/fixmap.h --=20 2.17.1