linux-kernel - Re: [PATCH] riscv: cpu_ops_sbi: Use static array for boot

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Message-Id: 
 <175148235075.828808.9774709298630060770.git-patchwork-notify@kernel.org>
Date: Wed, 02 Jul 2025 18:52:30 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Vivian Wang <wangruikang@...as.ac.cn>
Cc: linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
 palmer@...belt.com, aou@...s.berkeley.edu, alex@...ti.fr,
 alexghiti@...osinc.com, atishp@...osinc.com, anup@...infault.org,
 uwu@...m.page, rabenda.cn@...il.com, ziyao@...root.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] riscv: cpu_ops_sbi: Use static array for boot_data

Hello:

This patch was applied to riscv/linux.git (fixes)
by Alexandre Ghiti <alexghiti@...osinc.com>:

On Tue, 24 Jun 2025 16:04:46 +0800 you wrote:
> Since commit 6b9f29b81b15 ("riscv: Enable pcpu page first chunk
> allocator"), if NUMA is enabled, the page percpu allocator may be used
> on very sparse configurations, or when requested on boot with
> percpu_alloc=page.
> 
> In that case, percpu data gets put in the vmalloc area. However,
> sbi_hsm_hart_start() needs the physical address of a sbi_hart_boot_data,
> and simply assumes that __pa() would work. This causes the just started
> hart to immediately access an invalid address and hang.
> 
> [...]

Here is the summary with links:
  - riscv: cpu_ops_sbi: Use static array for boot_data
    https://git.kernel.org/riscv/c/2b29be967ae4

You are awesome, thank you!
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