linux-kernel - Re: [PATCH 0/4] Assorted fixes for RV32

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Message-ID: <mhng-7d4452e4-0726-41df-96a9-33eae8e5230f@palmerdabbelt-glaptop>
Date:   Wed, 13 Jan 2021 21:12:29 -0800 (PST)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Atish Patra <Atish.Patra@....com>
CC:     linux-kernel@...r.kernel.org, Atish Patra <Atish.Patra@....com>,
        aou@...s.berkeley.edu, akpm@...ux-foundation.org,
        Anup Patel <Anup.Patel@....com>, ardb@...nel.org,
        linux-riscv@...ts.infradead.org, rppt@...nel.org,
        Paul Walmsley <paul.walmsley@...ive.com>, mick@....forth.gr
Subject:     Re: [PATCH 0/4] Assorted fixes for RV32

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.