[PATCH] riscv: mm: fix truncates issue on RV32

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Wed Jul 12 09:00:21 PDT 2023


Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.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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