On Saturday 11 April 2009 5:03:58 pm Andrew Brampton wrote:
> 2009/4/11 Robert Watson :
> > On Sat, 11 Apr 2009, Andrew Brampton wrote:
> >
> > Your understanding is mostly right. The missing bit is this: there are
two
> > kinds of interrupt contexts -- fast/filter interrupt handlers, which
borr
On Sat, 11 Apr 2009, Andrew Brampton wrote:
Thanks very much for your detailed reply. I'm slowly understanding how
everything in FreeBSD fits together, and I appreciate your help.
I've been given a project to take over, and all of the design decisions were
made before I started working on it
2009/4/11 Robert Watson :
> On Sat, 11 Apr 2009, Andrew Brampton wrote:
>
> Your understanding is mostly right. The missing bit is this: there are two
> kinds of interrupt contexts -- fast/filter interrupt handlers, which borrow
> the stack and execution context of the kernel thread they preempt,
On Sat, 11 Apr 2009, Andrew Brampton wrote:
I'm having a problem with memguard(9) on FreeBSD 7.1 but before I ask about
that I just need to check my facts about malloc.
When in interrupt context malloc must be called with M_NOWAIT, this is
because I can't sleep inside a interrupt. Now when I
Hi,
I'm having a problem with memguard(9) on FreeBSD 7.1 but before I ask
about that I just need to check my facts about malloc.
When in interrupt context malloc must be called with M_NOWAIT, this is
because I can't sleep inside a interrupt. Now when I hold a spinlock
(MTX_SPIN) I am also not allo
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