On Thu, Feb 14, 2019 at 6:07 AM Palmer Dabbelt <pal...@sifive.com> wrote: > > On Wed, 13 Feb 2019 00:21:43 PST (-0800), a...@brainfault.org wrote: > > On Wed, Feb 13, 2019 at 4:45 AM Palmer Dabbelt <pal...@sifive.com> wrote: > >> > >> On Sat, 19 Jan 2019 05:27:53 PST (-0800), Anup Patel wrote: > >> > 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=uart8250,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 > >> > >> I'm getting some git issue when trying to merge the third patch via email > >> > >> $ mhng-pipe-show_stdout 4 | git am -s > >> Applying: RISC-V: Move setup_bootmem() to mm/init.c > >> error: patch failed: arch/riscv/kernel/setup.c:163 > >> error: arch/riscv/kernel/setup.c: patch does not apply > >> Patch failed at 0001 RISC-V: Move setup_bootmem() to mm/init.c > >> Use 'git am --show-current-patch' to see the failed patch > >> When you have resolved this problem, run "git am --continue". > >> If you prefer to skip this patch, run "git am --skip" instead. > >> To restore the original branch and stop patching, run "git am --abort". > >> > >> can you send a PR with a signed tag? I'll include this as part of the next > >> merge window. > >> > >> Reviewed-by: Palmer Dabbelt <pal...@sifive.com> > > > > Okay, I will prepare a PR with following patchsets: > > 1. Fixmap support and MM cleanups (Author: Anup Patel) > > 2. riscv: minor fixes and cleanups (Author: Johan Hovold) > > 3. RISC-V related changes from "Various SMP related fixes" (Author: Atish > > Patra) > > > > All above patchsets touch same source files so this will > > help you. > > Thanks. There's also a handful of comments from Christoph that I agree with > about the keepinitrd stuff.
I have sent PR with Fixmap patches only. Johan and Atish will rebase their patches based on your tree. Regards, Anup
