From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 18 Jul 2018 16:18:53 +0200 From: Johannes Thumshirn To: Alan Stern Cc: Ming Lei , Jens Axboe , Ming Lei , Bart Van Assche , "hch@lst.de" , "linux-block@vger.kernel.org" , "linux-pm@vger.kernel.org" , "martin.petersen@oracle.com" , "hare@suse.de" , "linux-scsi@vger.kernel.org" , "rjw@rjwysocki.net" , "gregkh@linuxfoundation.org" , "jejb@linux.vnet.ibm.com" , "adrian.hunter@intel.com" Subject: Re: [PATCH RFC V2 3/3] scsi_mq: enable runtime PM Message-ID: <20180718141852.i3aermgwhmvxwjx7@linux-x5ow.site> References: <20180718122843.6thmyfxb7m542h4d@linux-x5ow.site> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: List-ID: On Wed, Jul 18, 2018 at 10:12:37AM -0400, Alan Stern wrote: > As one extra reminder... People who care about extreme performance can > perfectly well disable CONFIG_PM in their kernels. That should remove > any overhead due to runtime PM. Yes but how likely is this for people who are running their data center with a distribution kernel. -- Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N�rnberg GF: Felix Imend�rffer, Jane Smithard, Graham Norton HRB 21284 (AG N�rnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850