Re: 2.6.26.6-rt11: BUGs (sleeping function called from invalid context)

Fernando Lopez-Lezcano
2008-11-07T21:36:59Z

On Fri, 2008-11-07 at 20:16 +0100, Peter Zijlstra wrote:
> On Fri, 2008-11-07 at 14:01 -0500, Steven Rostedt wrote:
> > Peter, I think we've seen this before. It is the highmem code sleeping.
>
> I've been working on an alternative kmap_atomic implementation for -rt,
> the below has been build and booted but not stressed, anybody care to
> give it a spin ?

I'll give it a try. Anything in particular I should try to do? Or not
do? Or watch for?

-- Fernando

> ---
> arch/x86/mm/highmem_32.c | 130 ++++++++++++++++++++++++++++++++++++++++++---
> include/asm-x86/highmem.h | 11 ----
> include/linux/sched.h | 5 ++
> kernel/sched.c | 10 ++++
> 4 files changed, 137 insertions(+), 19 deletions(-)
> [MUNCH]