From: Nam Cao <namcao@linutronix.de>
To: Xiaofeng Yuan <xiaofengmian@163.com>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
xiaofengmian@163.com
Subject: Re: [PATCH v4 0/2] riscv: fix kprobes on minimal kernel configs
Date: Mon, 20 Jul 2026 09:11:37 +0200 [thread overview]
Message-ID: <87h5luf846.fsf@yellow.woof> (raw)
In-Reply-To: <20260720032258.5188-1-xiaofengmian@163.com>
Xiaofeng Yuan <xiaofengmian@163.com> writes:
> When building with an allnoconfig-derived minimal configuration
> (without CONFIG_STRICT_MODULE_RWX), kprobes fails because
> instruction slot pages from EXECMEM_KPROBES are read-only and
> patch_map() bypasses the fixmap writable alias.
>
> These two patches fix the infrastructure.
Reviewed-by: Nam Cao <namcao@linutronix.de>
prev parent reply other threads:[~2026-07-20 7:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-20 3:22 [PATCH v4 0/2] riscv: fix kprobes on minimal kernel configs Xiaofeng Yuan
2026-07-20 3:22 ` [PATCH v4 1/2] riscv: mm: make EXECMEM_KPROBES writable without CONFIG_STRICT_MODULE_RWX Xiaofeng Yuan
2026-07-20 3:22 ` [PATCH v4 2/2] riscv: patch: skip fixmap mapping when kernel text is already writable Xiaofeng Yuan
2026-07-20 7:11 ` Nam Cao [this message]
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