From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Wed, 21 Sep 2016 10:39:08 -0600 From: Jon Derrick To: helgaas@kernel.org Cc: keith.busch@intel.com, linux-pci@vger.kernel.org Subject: Re: [RFC] PCI/Hotplug: Clear power fault detected when servicing faults Message-ID: <20160921163908.GA6133@localhost.localdomain> References: <1474409437-20464-1-git-send-email-jonathan.derrick@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1474409437-20464-1-git-send-email-jonathan.derrick@intel.com> List-ID: I was far too eager with this one. Found a case this morning which resulted in a soft lockup. Please kill this for now. On Tue, Sep 20, 2016 at 04:10:37PM -0600, Jon Derrick wrote: > A slot is allowed to implement power fault detection without having a > power controller present. Current code can set the controller's > power_fault_detected when seeing a power fault interrupt, but cannot > clear the flag without a power controller present. This patch clears the > flag when the power fault event is serviced by the interrupt event > handler.