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Re: Critical section

To: Masao Uebayashi <uebayasi%gmail.com@localhost>
Subject: Re: Critical section
From: Matt Thomas <matt%3am-software.com@localhost>
Date: 2014年11月26日 08:38:54 -0800

> On Nov 26, 2014, at 8:04 AM, Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
> 
> Critical section must stop soft interrupt which may block & sleep
> (using the preempted lwp). Thus critical sections must be at least
> IPL_SOFTSERIAL.
That is not true. If the softint thread sleeps, control is returned back
to the preempted lwp.

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References:
- Critical section
  - From: Masao Uebayashi
- Re: Critical section
  - From: Masao Uebayashi

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