linux-kernel - Re: [PATCH] riscv: Fix CPU feature detection with SMP disabled

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Date:   Wed, 09 Aug 2023 14:40:21 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Samuel Holland <samuel.holland@...ive.com>
Cc:     linux-riscv@...ts.infradead.org, palmer@...belt.com,
        paul.walmsley@...ive.com, linux-kernel@...r.kernel.org,
        palmer@...osinc.com
Subject: Re: [PATCH] riscv: Fix CPU feature detection with SMP disabled

Hello:

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

On Wed,  2 Aug 2023 18:26:06 -0700 you wrote:
> commit 914d6f44fc50 ("RISC-V: only iterate over possible CPUs in ISA
> string parser") changed riscv_fill_hwcap() from iterating over CPU DT
> nodes to iterating over logical CPU IDs. Since this function runs long
> before cpu_dev_init() creates CPU devices, it hits the fallback path in
> of_cpu_device_node_get(), which itself iterates over the DT nodes,
> searching for a node with the requested CPU ID. (Incidentally, this
> makes riscv_fill_hwcap() now take quadratic time.)
> 
> [...]

Here is the summary with links:
  - riscv: Fix CPU feature detection with SMP disabled
    https://git.kernel.org/riscv/c/6514f81e1bd5

You are awesome, thank you!
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