[PATCH 0/4] Assorted fixes for RV32

Palmer Dabbelt palmer at dabbelt.com
Thu Jan 14 00:12:29 EST 2021


On Wed, 13 Jan 2021 21:09:36 PST (-0800), Palmer Dabbelt wrote:
> 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!

Oops, I just saw the v2.  I took those instead, the comment still applies.



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