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Re: mutexes, IPL, tty locking

To: tech-kern%netbsd.org@localhost
Subject: Re: mutexes, IPL, tty locking
From: Masao Uebayashi <uebayasi%tombi.co.jp@localhost>
Date: Thu, 22 Oct 2009 11:51:47 +0900

> Hmmm.... I wonder where the old IPL is saved ?
> (I've not looked to see!)

I see that i386 and mips save the old one in struct cpu_info (ci_mtx_oldspl).

Masao

-- 
Masao Uebayashi / Tombi Inc. / Tel: +81-90-9141-4635

References:
- mutexes, IPL, tty locking
  - From: David Young
- Re: mutexes, IPL, tty locking
  - From: David Laight

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