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Tue, 07 Oct 2025 20:44:32 -0700 (PDT) Date: Wed, 8 Oct 2025 03:44:24 +0000 From: Guangbo Cui To: Sebastian Andrzej Siewior Cc: Waiman Long , Clark Williams , Steven Rostedt , Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Thomas Gleixner , Bjorn Helgaas , linux-rt-devel@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH] pci/aer_inject: switching inject_lock to raw_spinlock_t Message-ID: References: <20251007060218.57222-1-jckeep.cuiguangbo@gmail.com> <4ab58884-aad3-4c99-a5f9-b23e775a1514@redhat.com> <20251007161229.7IT0x9Me@linutronix.de> Precedence: bulk X-Mailing-List: linux-rt-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251007161229.7IT0x9Me@linutronix.de> On Tue, Oct 07, 2025 at 06:12:29PM +0200, Sebastian Andrzej Siewior wrote: > On 2025-10-08 00:10:45 [+0800], guangbo cui wrote: > > As mentioned above, the list is usually short in typical use cases, > > since error injection is mainly used for debugging or development > > purposes. Perhaps we can also get some advice from the PCI folks. > > Is this something that is used in "production" or more debugging/ > development? It's mainly for debugging/development. Debugging AER code is difficult cause it's hard to trigger real hardware errors. Best regards, Guangbo