linux-kernel - Re: [PATCH] riscv: Prevent early kernel panic in instrumented apply_early_boot

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Message-ID: <4de90ac7-f05d-4c16-a5c5-8101f5d2fe91@iscas.ac.cn>
Date: Thu, 9 Oct 2025 14:31:38 +0800
From: Vivian Wang <wangruikang@...as.ac.cn>
To: Paul Walmsley <pjw@...nel.org>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 duchangbin <changbin.du@...wei.com>, Alexandre Ghiti <alex@...ti.fr>,
 andybnac@...il.com
Subject: Re: [PATCH] riscv: Prevent early kernel panic in instrumented
 apply_early_boot_alternatives


On 10/9/25 10:01, Paul Walmsley wrote:
> Hi Alex, duchangbin, Andy,
>
> On Wed, 25 Jun 2025, duchangbin wrote:
>
> [...]
>
> Working on cleaning out Patchwork.  Was there any further conclusion 
> reached on this patch, or more broadly, static ftrace ?

Static ftrace for riscv is no longer supported in 6.17. config RISCV is now:

    select DYNAMIC_FTRACE if FUNCTION_TRACER

Since commit 5874ca4c6280 ("riscv: Stop supporting static ftrace"). This
patch should be obsolete.

Vivian "dramforever" Wang