Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Ingo Molnar
* Miklos Szeredi wrote: > This one incorporates comments from Oleg and Ingo. Please apply > to 2.6.29 and 2.6.2[78]-stable trees. The fix first needs to go upstream. There's an alternative patch below. Would you mind to give it a test? Chances are that it will make UML even faster than your

[uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Miklos Szeredi
This one incorporates comments from Oleg and Ingo. Please apply to 2.6.29 and 2.6.2[78]-stable trees. Thanks, Miklos From: Miklos Szeredi This patch fixes bug #12208: Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12208 Subject : uml is very slow on 2.6.28 host

Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Miklos Szeredi
On Mon, 23 Mar 2009, Ingo Molnar wrote: > * Miklos Szeredi wrote: > > > This one incorporates comments from Oleg and Ingo. Please apply > > to 2.6.29 and 2.6.2[78]-stable trees. > > The fix first needs to go upstream. There's an alternative patch > below. Would you mind to give it a test? Cha

Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Oleg Nesterov
On 03/23, Ingo Molnar wrote: > > There's an alternative patch > below. Would you mind to give it a test? Chances are that it will > make UML even faster than your fix. > > Ingo > > diff --git a/kernel/sched.c b/kernel/sched.c > index 3e827b8..2d60f23 100644 > --- a/kernel/sched.c > +++ b/kern

Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Ingo Molnar
* Miklos Szeredi wrote: > On Mon, 23 Mar 2009, Ingo Molnar wrote: > > * Miklos Szeredi wrote: > > > > > This one incorporates comments from Oleg and Ingo. Please apply > > > to 2.6.29 and 2.6.2[78]-stable trees. > > > > The fix first needs to go upstream. There's an alternative patch > > b

Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Ingo Molnar
* Oleg Nesterov wrote: > On 03/23, Ingo Molnar wrote: > > > > There's an alternative patch > > below. Would you mind to give it a test? Chances are that it will > > make UML even faster than your fix. > > > > Ingo > > > > diff --git a/kernel/sched.c b/kernel/sched.c > > index 3e827b8..2d60f2

Re: [uml-devel] [patch] fix ptrace slowness

2009-03-23 Thread Michael Riepe
Hi! Miklos Szeredi wrote: > On Mon, 23 Mar 2009, Ingo Molnar wrote: > >>* Miklos Szeredi wrote: >> >> >>>This one incorporates comments from Oleg and Ingo. Please apply >>>to 2.6.29 and 2.6.2[78]-stable trees. >> >>The fix first needs to go upstream. There's an alternative patch >>below. Woul