From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D54E02E7BB4 for ; Tue, 7 Oct 2025 16:12:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759853557; cv=none; b=eLxOarhqtDwUnj7hNuMRrq5BmAIPniXdKe1ofcfkgA/qlaH9sT7/kiwhRthhOK8y2apq9z/91CdqH1YWVvp9CBK0t5RocH6Xmh3t0alKKhBLooc9rXm6McVE7774LgqzObaP00NrZ5onm6vXiYTlcZWuncFvkoruQoX3s2cC01c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759853557; c=relaxed/simple; bh=hzP4HChIondr8B3ZApfMzdZDXoG3z2ygNFIMV1ielV0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l9AVGBMH/6qaQkUXE4FNARbixJHPWK+CsVUPJK+T2wPm6OSef8KECJhgWkP5Cs7ZNoPpWM1PRTveyKaDluuyz+DCvcyBXYofChH+GKe0QFGy72WrpwYOkOXIcXUJAwoiOzRwLiJccF00DjB36WVqZazQjDepIxZ6vKuwWGdarCc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=266ML0Fu; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ATuSmIO7; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="266ML0Fu"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ATuSmIO7" Date: Tue, 7 Oct 2025 18:12:29 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1759853550; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hzP4HChIondr8B3ZApfMzdZDXoG3z2ygNFIMV1ielV0=; b=266ML0FuyZmn5S/tjluETahHL4QQhcTXr6w7POsK2J6hbbFi1PkrbBkf+AQZKHBtqy7l3X 6CdUu4hOchd4bMmOXn9WqOSXRBW2gydk97pxmaycEZxuDr2tCF9r6qxqfhWfOnxhpR0iKm u6UXHkPgOrIINtrSpyjWm+caHc/cF+Gox3Cf5aF2NM3jwOTTobF8p0+XISejaOf4PaOdfi iQcBqVKHkNzxsC3RakOeYqz6jTXXKkNcVXEq1yK4kkmAXftql6ns9mdqIbiVBWGXLlQD3h D3K7jEVExAoMuCE4Uwt7J0xgVCcKZgHDkc7lNy4LVpNDAfDOW6pcQsUKkTbVVA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1759853550; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hzP4HChIondr8B3ZApfMzdZDXoG3z2ygNFIMV1ielV0=; b=ATuSmIO7NwxFNRuxUedsmal0wwybq8DVASQ5mC6OO1PCAWyFnb2ohQCa/A7C4p4t62umG7 fE5YI4EwCsr7fZDw== From: Sebastian Andrzej Siewior To: guangbo cui 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: <20251007161229.7IT0x9Me@linutronix.de> References: <20251007060218.57222-1-jckeep.cuiguangbo@gmail.com> <4ab58884-aad3-4c99-a5f9-b23e775a1514@redhat.com> 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=utf-8 Content-Disposition: inline In-Reply-To: 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? > Best regards, > Guangbo Sebastian