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From: Paul Walmsley <pjw@kernel.org>
To: Xiaofeng Yuan <xiaofengmian@163.com>
Cc: Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	 Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,  Nam Cao <namcao@linutronix.de>,
	linux-riscv@lists.infradead.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 0/2] riscv: fix kprobes on minimal kernel configs
Date: Thu, 6 Aug 2026 20:01:01 -0600 (MDT)	[thread overview]
Message-ID: <af1fb2be-871f-035f-e4a7-9ad1f4ec3029@kernel.org> (raw)
In-Reply-To: <20260720032258.5188-1-xiaofengmian@163.com>

On Mon, 20 Jul 2026, Xiaofeng Yuan wrote:

> 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.

Thanks, queued for v7.3.


- Paul

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WARNING: multiple messages have this Message-ID (diff)
From: Paul Walmsley <pjw@kernel.org>
To: Xiaofeng Yuan <xiaofengmian@163.com>
Cc: Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	 Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,  Nam Cao <namcao@linutronix.de>,
	linux-riscv@lists.infradead.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 0/2] riscv: fix kprobes on minimal kernel configs
Date: Thu, 6 Aug 2026 20:01:01 -0600 (MDT)	[thread overview]
Message-ID: <af1fb2be-871f-035f-e4a7-9ad1f4ec3029@kernel.org> (raw)
In-Reply-To: <20260720032258.5188-1-xiaofengmian@163.com>

On Mon, 20 Jul 2026, Xiaofeng Yuan wrote:

> 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.

Thanks, queued for v7.3.


- Paul

  parent reply	other threads:[~2026-08-07  2:01 UTC|newest]

Thread overview: 14+ 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 ` 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   ` 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  3:22   ` Xiaofeng Yuan
2026-08-11 20:39   ` Klara Modin
2026-08-11 20:39     ` Klara Modin
2026-08-12  6:45     ` Nam Cao
2026-08-12  6:45       ` Nam Cao
2026-07-20  7:11 ` [PATCH v4 0/2] riscv: fix kprobes on minimal kernel configs Nam Cao
2026-07-20  7:11   ` Nam Cao
2026-08-07  2:01 ` Paul Walmsley [this message]
2026-08-07  2:01   ` Paul Walmsley

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