Re: [patch] tls-2.5.31-C3

[Alan Cox]

On Mon, 2002-08-12 at 13:55, Ingo Molnar wrote:
> 
> On 12 Aug 2002, Alan Cox wrote:
> 
> > > ugh, we do Linux interrupts while in the APM BIOS?
> > 
> > We have to. Most APM bios expects interrupts to be happening. In
> > pre-emptive mode we may well even be switching to/from APM BIOS code in
> > 2.5 at the moment. I've not looked into that.
> 
> i think that since we hold the APM spinlock (do we always, when calling
> into the APM BIOS?), we should not preempt any APM BIOS code.

Looking at the 2.5.29 tree I have handy here there is no APM spinlock. I
don't have 2.5.30/31 unpacked to check those