Re: [PATCH 13/15] riscv: add nommu support

2019-10-17 Thread Anup Patel
On Thu, Oct 17, 2019 at 11:08 PM Christoph Hellwig wrote: > > The kernel runs in M-mode without using page tables, and thus can't run > bare metal without help from additional firmware. > > Most of the patch is just stubbing out code not needed without page > tables, but there is an interesting de

[PATCH 13/15] riscv: add nommu support

2019-10-17 Thread Christoph Hellwig
The kernel runs in M-mode without using page tables, and thus can't run bare metal without help from additional firmware. Most of the patch is just stubbing out code not needed without page tables, but there is an interesting detail in the signals implementation: - The normal RISC-V syscall ABI