linux-kernel - Re: [PATCH] riscv: mm: fix truncates issue on RV32

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Message-Id: <168917762166.26837.18011111020285782236.git-patchwork-notify@kernel.org>
Date:   Wed, 12 Jul 2023 16:00:21 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu,
        linux-kernel@...r.kernel.org, rdunlap@...radead.org, lkp@...el.com
Subject: Re: [PATCH] riscv: mm: fix truncates issue on RV32

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Mon, 10 Jul 2023 01:10:36 +0800 you wrote:
> lkp reports below sparse warning when building for RV32:
> arch/riscv/mm/init.c:1204:48: sparse: warning: cast truncates bits from
> constant value (100000000 becomes 0)
> 
> IMO, the reason we didn't see this truncates bug in real world is "0"
> means MEMBLOCK_ALLOC_ACCESSIBLE in memblock and there's no RV32 HW
> with more than 4GB memory.
> 
> [...]

Here is the summary with links:
  - riscv: mm: fix truncates issue on RV32
    https://git.kernel.org/riscv/c/b690e266dae2

You are awesome, thank you!
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