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Re: Net stack serialization fix

From: Nick Garnett <nickg at ecoscentric dot com>
To: Andrew Lunn <andrew dot lunn at ascom dot ch>
Cc: ecos-patches at sources dot redhat dot com
Date: 07 Nov 2002 00:04:28 +0000
Subject: Re: Net stack serialization fix
References: <m3wunq33j4.fsf@ecoscentric.com><20021106195709.GG18344@biferten.ma.tech.ascom.ch>

Andrew Lunn <andrew.lunn@ascom.ch> writes:

> What happens when the stack sleeps at the well known sleep
> points. Surely it should unlock the mutex there so that other threads
> can use the stack?
> 

It will, the sleep() routine already does this. All the sleeps are
already inside splxxx() regions. All I am actually doing in the patch
is to claim the lock a little earlier and release it a little
later. The internal calls to splsoftnet() etc. in the stack
essentially become null operations.

-- 
Nick Garnett - eCos Kernel Architect
http://www.eCosCentric.com/

References:
- Net stack serialization fix
  - From: Nick Garnett
- Re: Net stack serialization fix
  - From: Andrew Lunn

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