Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-04 Thread Tony Lindgren
* Olof Johansson [130802 22:37]: > On Fri, Aug 2, 2013 at 2:31 PM, Matt Sealey wrote: > > On Fri, Aug 2, 2013 at 3:13 AM, Tony Lindgren wrote: > >> * Mel Gorman [130731 08:28]: > >>> On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > >>> > Hi all, > >>> > > >>> > Probably the bigg

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-04 Thread Tony Lindgren
* Mike Turquette [130802 13:04]: > Quoting Tony Lindgren (2013-08-02 00:53:53) > > People are unnecessarily defining registers in kernel for similar devices > > over and over again for each new SoC at the arch level and now more and > > more at the driver level. > > > > One example of that are de

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-04 Thread Tony Lindgren
* Russell King - ARM Linux [130802 06:31]: > On Fri, Aug 02, 2013 at 05:41:31AM -0700, Tony Lindgren wrote: > > Oh and thinking about it a bit more, this issue is mostly with the > > device drivers implementing frameworks, not the device drivers > > using the frameworks. Things like clocks, regula

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Olof Johansson
On Fri, Aug 2, 2013 at 2:31 PM, Matt Sealey wrote: > On Fri, Aug 2, 2013 at 3:13 AM, Tony Lindgren wrote: >> * Mel Gorman [130731 08:28]: >>> On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: >>> > Hi all, >>> > >>> > Probably the biggest kernel data bloat issue is in the ARM land,

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Matt Sealey
On Fri, Aug 2, 2013 at 3:13 AM, Tony Lindgren wrote: > * Mel Gorman [130731 08:28]: >> On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: >> > Hi all, >> > >> > Probably the biggest kernel data bloat issue is in the ARM land, but >> > it also seems that it's becoming a Linux generic i

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Mike Turquette
Quoting Tony Lindgren (2013-08-02 00:53:53) > People are unnecessarily defining registers in kernel for similar devices > over and over again for each new SoC at the arch level and now more and > more at the driver level. > > One example of that are device tree based drivers that don't describe >

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Russell King - ARM Linux
On Fri, Aug 02, 2013 at 05:41:31AM -0700, Tony Lindgren wrote: > Oh and thinking about it a bit more, this issue is mostly with the > device drivers implementing frameworks, not the device drivers > using the frameworks. Things like clocks, regulators, muxes etc where > an almost similar instance i

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Tony Lindgren [130802 01:00]: > * Greg KH [130731 05:39]: > > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > > Hi all, > > > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > > it also seems that it's becoming a Linux generic issue too, so I > >

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Greg KH [130802 01:16]: > On Fri, Aug 02, 2013 at 12:53:53AM -0700, Tony Lindgren wrote: > > * Greg KH [130731 05:39]: > > > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > > > Hi all, > > > > > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > >

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Felipe Balbi [130802 01:11]: > Hi, > > On Fri, Aug 02, 2013 at 12:53:53AM -0700, Tony Lindgren wrote: > > > > Basically the data bloat issue is there for the arch code and drivers > > > > and may not show up initially until things have headed the wrong way for > > > > too long. > > > > > > Wha

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Mel Gorman [130731 08:28]: > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > Hi all, > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > it also seems that it's becoming a Linux generic issue too, so I > > guess it could be discussed in either con

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Greg KH
On Fri, Aug 02, 2013 at 12:53:53AM -0700, Tony Lindgren wrote: > * Greg KH [130731 05:39]: > > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > > Hi all, > > > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > > it also seems that it's becoming a Lin

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Felipe Balbi
Hi, On Fri, Aug 02, 2013 at 12:53:53AM -0700, Tony Lindgren wrote: > > > Basically the data bloat issue is there for the arch code and drivers > > > and may not show up initially until things have headed the wrong way for > > > too long. > > > > What do you mean by this? You seem to be very vagu

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Jason Cooper [130731 07:00]: > On Wed, Jul 31, 2013 at 05:33:51AM -0700, Greg KH wrote: > > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > > Hi all, > > > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > > it also seems that it's becoming a Linu

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-08-02 Thread Tony Lindgren
* Greg KH [130731 05:39]: > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > Hi all, > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > it also seems that it's becoming a Linux generic issue too, so I > > guess it could be discussed in either contex

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-07-31 Thread Mel Gorman
On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > Hi all, > > Probably the biggest kernel data bloat issue is in the ARM land, but > it also seems that it's becoming a Linux generic issue too, so I > guess it could be discussed in either context. > Would scripts/bloat-o-meter high

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-07-31 Thread Jason Cooper
On Wed, Jul 31, 2013 at 05:33:51AM -0700, Greg KH wrote: > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > > Hi all, > > > > Probably the biggest kernel data bloat issue is in the ARM land, but > > it also seems that it's becoming a Linux generic issue too, so I > > guess it could

Re: [Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-07-31 Thread Greg KH
On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote: > Hi all, > > Probably the biggest kernel data bloat issue is in the ARM land, but > it also seems that it's becoming a Linux generic issue too, so I > guess it could be discussed in either context. Why is it specific to ARM? What is

[ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

2013-07-31 Thread Tony Lindgren
Hi all, Probably the biggest kernel data bloat issue is in the ARM land, but it also seems that it's becoming a Linux generic issue too, so I guess it could be discussed in either context. The kernel data bloat issue is slightly related to the devicetree talks as well as I'm seeing a lot of the d