Subject: Re: [patch] preemptive kernel, preemptive-2.3.52-A7
From: Ingo Molnar (mingo@chiara.csoma.elte.hu)
Date: Tue Mar 14 2000 - 13:35:46 PST
On Tue, 14 Mar 2000, Manfred Spraul wrote:
> I've seen such code from egcs-1.1.2, IIRC in do_softirq().
oh! does this explain the do_softirq() weirdness you have noticed?
> What about adding atomic_xy_local() to the normal kernel?
> * raise_softirq() contains a local_irq_save(), we could remove that.
> * i386 only: do_nmi() could use atomic_inc_local() for the nmi_counter.
(yep)
> Ingo, it seems you overlooked the global variable nmi_counter in
> arch/i386/kernel/io_apic.c when you added the variable to irq_stat.
> Could you remove it?
(yep, thanks.)
Ingo
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