[PATCH 0/4] Assorted fixes for RV32

Palmer Dabbelt palmer at dabbelt.com
Thu Jan 14 00:09:36 EST 2021


On Thu, 07 Jan 2021 01:26:48 PST (-0800), Atish Patra wrote:
> This series fixes various issues observed in latest kernel on RV32.
> The first two patches fixes an resource tree introduced in 5.11-rc1
> while the last two fixes the case where 2GB physical memory is used
> on RV32.
>
> There are may be better way to fix the issue pointed out in PATCH 3
> as it seems a generic kernel issue where kernel pointers can not use
> last 4k of addressable memory. I am open to other better alternate
> suggestions.
>
> Atish Patra (4):
> RISC-V: Do not allocate memblock while iterating reserved memblocks
> RISC-V: Set current memblock limit
> RISC-V: Fix L1_CACHE_BYTES for RV32
> RISC-V: Fix maximum allowed phsyical memory for RV32
>
> arch/riscv/Kconfig             |  6 ++++--
> arch/riscv/include/asm/cache.h |  4 ++++
> arch/riscv/kernel/setup.c      | 24 +++++++++++++-----------
> arch/riscv/mm/init.c           | 16 ++++++++++++++--
> 4 files changed, 35 insertions(+), 15 deletions(-)

I took all of them but that L1_CACHE_BYTES one, which I had a comment on.
Thanks!



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