Subject: Re: Hard realtime scheduling
To: Jonathan Stone <firstname.lastname@example.org>
From: SODA Noriyuki <email@example.com>
Date: 04/12/2005 11:00:24
>>>>> On Mon, 11 Apr 2005 18:10:02 -0700,
Jonathan Stone <firstname.lastname@example.org> said:
>> are you sure that runqueue is protected by biglock?
>> afaik it's protected by sched_lock, not biglock.
> No, I'm not sure. I took Soda-san's word for it.
I wrote that article without closely looking at it... ;-)
Actually, I didn't notice that the kernel_lock isn't held,
if the interrupt priority is higher or equal to IPL_SCHED.
So, yamamoto-san is right.