Re: Help learning from my mistakes

2015-04-04 Thread Valdis . Kletnieks
On Sat, 04 Apr 2015 19:00:42 -0400, Nicholas Krause said: > are now slower by up to 3 times, So what debugging did you already do to try to narrow this down? Did you even run 'top' or 'vmstat' or anything else like that? Did you check to make sure you didn't replace a stripped down custom config

Reading kernel code

2015-04-04 Thread Nicholas Krause
Greetings All, I am interested someone testing me to make sure I understand the memory management and networking subsystems. I am pretty certain I'm not grasping certain details fully. Thanks Alot, Nick -- Sent from my Android device with K-9 Mail. Please excuse my brevity. __

Re: Help learning from my mistakes

2015-04-04 Thread Valdis . Kletnieks
On Sat, 04 Apr 2015 15:28:23 -0400, Nicholas Krause said: > After reading this it seems that the issue is my lack of effort not my > abilities. Being able to realize that the find|xargs grep solution was actually less work, with quicker results, is *itself* an ability. pgpTzoxe1Hx1g.pgp Descri

Re: Help learning from my mistakes

2015-04-04 Thread Nicholas Krause
On April 4, 2015 6:53:52 PM EDT, valdis.kletni...@vt.edu wrote: >On Sat, 04 Apr 2015 15:28:23 -0400, Nicholas Krause said: > >> After reading this it seems that the issue is my lack of effort not >my abilities. > >Being able to realize that the find|xargs grep solution was actually >less work, wi

Question about shared interrupts in devicetree

2015-04-04 Thread Stefan Wahren
Hi, i'm currently working on drivers (regulator and power switch) for a power subsystem of a ARM9 processor (Freescale i.MX28). There are interrupts for the power subsystem which share the same interrupt line. This interrupt line is needed by both drivers (regulator and power switch). Now the que

Re: Help learning from my mistakes

2015-04-04 Thread Nicholas Krause
On April 4, 2015 3:32:06 PM EDT, "Robert P. J. Day" wrote: >On Sat, 4 Apr 2015, Nicholas Krause wrote: > >> >> >> On April 3, 2015 8:13:35 PM EDT, valdis.kletni...@vt.edu wrote: >> >On Fri, 03 Apr 2015 17:23:04 -0400, Nicholas Krause said: >> >> Greetings All, >> >> I am wondering if there are

Re: Help learning from my mistakes

2015-04-04 Thread Robert P. J. Day
On Sat, 4 Apr 2015, Nicholas Krause wrote: > > > On April 3, 2015 8:13:35 PM EDT, valdis.kletni...@vt.edu wrote: > >On Fri, 03 Apr 2015 17:23:04 -0400, Nicholas Krause said: > >> Greetings All, > >> I am wondering if there are any stupid mistakes in my attempts at > >kernel programming I am still

Re: Help learning from my mistakes

2015-04-04 Thread Nicholas Krause
On April 3, 2015 8:13:35 PM EDT, valdis.kletni...@vt.edu wrote: >On Fri, 03 Apr 2015 17:23:04 -0400, Nicholas Krause said: >> Greetings All, >> I am wondering if there are any stupid mistakes in my attempts at >kernel programming I am still making. > >See the find|grep command I posted yesterday