From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 11 Mar 2019 16:57:00 +0100 (CET) From: Sebastian Ott Subject: Re: [PATCH v3] zcrypt: handle AP Info notification from CHSC SEI command In-Reply-To: <9224eca6-6d2c-7089-1fb2-618a04d7286b@linux.ibm.com> References: <1550509295-1199-1-git-send-email-akrowiak@linux.ibm.com> <9224eca6-6d2c-7089-1fb2-618a04d7286b@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Message-Id: Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Tony Krowiak Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, freude@de.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com, pmorel@linux.vnet.ibm.com, pasic@linux.vnet.ibm.com, akrowiak@linux.vnet.ibm.com, oberpar@linux.ibm.com List-ID: On Mon, 11 Mar 2019, Tony Krowiak wrote: > On 2/18/19 12:01 PM, Tony Krowiak wrote: > > The current AP bus implementation periodically polls the AP configuration > > to detect changes. When the AP configuration is dynamically changed via the > > SE or an SCLP instruction, the changes will not be reflected to sysfs until > > the next time the AP configuration is polled. The CHSC architecture > > provides a Store Event Information (SEI) command to make notification of an > > AP configuration change. This patch introduces a handler to process > > notification from the CHSC SEI command by immediately kicking off an AP bus > > scan-after-event. > > Ping Applied.