linux-kernel - Re: [PATCH -next] riscv: Enable ARCH_HAVE_NMI_SAFE

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Message-Id: 
 <175450055949.2863135.12380729156820044095.git-patchwork-notify@kernel.org>
Date: Wed, 06 Aug 2025 17:15:59 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Pu Lehui <pulehui@...weicloud.com>
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 palmer@...belt.com, alex@...ti.fr, pulehui@...wei.com
Subject: Re: [PATCH -next] riscv: Enable ARCH_HAVE_NMI_SAFE_CMPXCHG

Hello:

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

On Fri, 11 Jul 2025 09:04:43 +0000 you wrote:
> From: Pu Lehui <pulehui@...wei.com>
> 
> The implement of cmpxchg() in riscv is based on atomic primitives and
> has NMI-safe features, so it can be used safely in the in_nmi context.
> ftrace's ringbuffer relies on NMI-safe cmpxchg() in the NMI context.
> Currently, in_nmi() is true when riscv kprobe is in trap-based mode, so
> this config needs to be selected, otherwise kprobetrace will not be
> available.
> 
> [...]

Here is the summary with links:
  - [-next] riscv: Enable ARCH_HAVE_NMI_SAFE_CMPXCHG
    https://git.kernel.org/riscv/c/9ad032ba418c

You are awesome, thank you!
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