Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Greg KH
On Fri, Aug 29, 2014 at 01:52:00PM -0700, Andrew Morton wrote: > On Fri, 29 Aug 2014 13:44:31 -0700 Mike Travis wrote: > > > > > > > On 8/29/2014 1:16 PM, Andrew Morton wrote: > > > On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis wrote: > > > > > >> > > >> We have a large university system in

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Andrew Morton
On Fri, 29 Aug 2014 13:44:31 -0700 Mike Travis wrote: > > > On 8/29/2014 1:16 PM, Andrew Morton wrote: > > On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis wrote: > > > >> > >> We have a large university system in the UK that is experiencing > >> very long delays modprobing the driver for a

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
On 8/29/2014 1:16 PM, Andrew Morton wrote: > On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis wrote: > >> >> We have a large university system in the UK that is experiencing >> very long delays modprobing the driver for a specific I/O device. >> The delay is from 8-10 minutes per device and

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Andrew Morton
On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis wrote: > > We have a large university system in the UK that is experiencing > very long delays modprobing the driver for a specific I/O device. > The delay is from 8-10 minutes per device and there are 31 devices > in the system. This 4 to 5 hour

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Andrew Morton
On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Mike Travis
On 8/29/2014 1:16 PM, Andrew Morton wrote: On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Andrew Morton
On Fri, 29 Aug 2014 13:44:31 -0700 Mike Travis tra...@sgi.com wrote: On 8/29/2014 1:16 PM, Andrew Morton wrote: On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-29 Thread Greg KH
On Fri, Aug 29, 2014 at 01:52:00PM -0700, Andrew Morton wrote: On Fri, 29 Aug 2014 13:44:31 -0700 Mike Travis tra...@sgi.com wrote: On 8/29/2014 1:16 PM, Andrew Morton wrote: On Fri, 29 Aug 2014 14:53:28 -0500 Mike Travis tra...@sgi.com wrote: We have a large university

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-28 Thread Ingo Molnar
* Andrew Morton wrote: > On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis wrote: > > > > > We have a large university system in the UK that is experiencing > > very long delays modprobing the driver for a specific I/O device. > > The delay is from 8-10 minutes per device and there are 31

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-28 Thread Ingo Molnar
* Andrew Morton a...@linux-foundation.org wrote: On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:20 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 16:15:28 -0700 Mike Travis wrote: > >> >>> There are two causes for requiring a restart/reload of the drivers. First is periodic preventive maintenance (PM) and the second is if any of the devices experience a

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Andrew Morton
On Wed, 27 Aug 2014 16:15:28 -0700 Mike Travis wrote: > > > > >> There are two causes for requiring a restart/reload of the drivers. > >> First is periodic preventive maintenance (PM) and the second is if > >> any of the devices experience a fatal error. Both of these trigger > >> this

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:06 PM, Andrew Morton wrote: > On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis wrote: > >> >> We have a large university system in the UK that is experiencing >> very long delays modprobing the driver for a specific I/O device. >> The delay is from 8-10 minutes per device and

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Andrew Morton
On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis wrote: > > We have a large university system in the UK that is experiencing > very long delays modprobing the driver for a specific I/O device. > The delay is from 8-10 minutes per device and there are 31 devices > in the system. This 4 to 5 hour

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Andrew Morton
On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4

[PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and there are 31 devices in the system. This 4 to 5 hour delay in starting up those I/O devices is very much a burden on

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:06 PM, Andrew Morton wrote: On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis tra...@sgi.com wrote: We have a large university system in the UK that is experiencing very long delays modprobing the driver for a specific I/O device. The delay is from 8-10 minutes per device and

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Andrew Morton
On Wed, 27 Aug 2014 16:15:28 -0700 Mike Travis tra...@sgi.com wrote: There are two causes for requiring a restart/reload of the drivers. First is periodic preventive maintenance (PM) and the second is if any of the devices experience a fatal error. Both of these trigger this

Re: [PATCH 0/2] x86: Speed up ioremap operations

2014-08-27 Thread Mike Travis
On 8/27/2014 4:20 PM, Andrew Morton wrote: On Wed, 27 Aug 2014 16:15:28 -0700 Mike Travis tra...@sgi.com wrote: There are two causes for requiring a restart/reload of the drivers. First is periodic preventive maintenance (PM) and the second is if any of the devices experience a fatal