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From: Jeff Dike <jdike@addtoit.com>
To: Nicolas Blanc <nicolas.blanc@epfl.ch>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] skas understanding
Date: Tue, 30 Mar 2004 12:09:01 -0500	[thread overview]
Message-ID: <200403301709.i2UH91Ll003143@ccure.user-mode-linux.org> (raw)
In-Reply-To: Your message of "Tue, 30 Mar 2004 13:23:38 +0200." <406958BA.7080109@epfl.ch>

nicolas.blanc@epfl.ch said:
> I don't understand the purpose of using anonymous mmap.

If you want a random piece of memory, it needs to be anonymous.

> 2) capture_signal_stack() : what is it for ?

It's broken and is going to change, but it grabs a host signal frame so it
can later copy it, with modifications, to its own processes stacks when they
receive signals.

> 3) Where is the kernel thread? 

start_uml_skas, it spends most of its time in the various invocations of
userspace().

				Jeff



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      reply	other threads:[~2004-03-30 16:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-30 11:23 [uml-devel] skas understanding Nicolas Blanc
2004-03-30 17:09 ` Jeff Dike [this message]

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