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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: e1071271-30d1-44ce-186d-08d67e11ea42 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Jan 2019 13:27:50.7215 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB6117 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 available, we can now get earlyprints even without SBI calls. For example, we can 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-rc2 and can be found at riscv_fixmap_v2 branch of: https://github.com/avpatel/linux.git. 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 (6): RISC-V: Move free_initrd_mem() to kernel/setup.c 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: Implement keepinitrd kernel parameter arch/riscv/Kconfig | 3 + arch/riscv/include/asm/fixmap.h | 44 +++++++++++ arch/riscv/include/asm/pgtable.h | 1 + arch/riscv/kernel/setup.c | 114 ++++++---------------------- arch/riscv/mm/init.c | 124 ++++++++++++++++++++++++++++++- 5 files changed, 189 insertions(+), 97 deletions(-) create mode 100644 arch/riscv/include/asm/fixmap.h --=20 2.17.1