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From: Avi Kivity <avi@redhat.com>
To: Heli <helicoterus-elih@yahoo.it>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] How does a system call work on QEMU?
Date: Sun, 17 May 2009 12:31:36 +0300	[thread overview]
Message-ID: <4A0FD978.8080606@redhat.com> (raw)
In-Reply-To: <4A0FCED5.6070005@yahoo.it>

Heli wrote:
>>
> So it this the architecture of qemu, emulator version?
> QEMU is a process that gives to o.s.guest a virtual hw
> layer.
> Every guest will be run by a QEMU instance.
>
> See picture schema I prepaired: http://yfrog.com/7gqemulayersj
>
> So system calls go from a guest application to its
> operating system that communicates with its virtual
> hardware. 

Yes.

> QEMU receives a system call and software emulator
> QEMU performs a system call in O.S. host.
> It is right? 

No, guest system calls are handled by the guest OS.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2009-05-17  9:31 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-14  6:50 [Qemu-devel] How does a system call work on QEMU? helicoterus-elih
2009-05-14 10:19 ` Paul Brook
2009-05-14 13:10   ` Heli
2009-05-14 16:40     ` Avi Kivity
2009-05-14 17:11       ` grisu46
2009-05-14 17:48         ` Avi Kivity
2009-05-14 18:00           ` grisu46
2009-05-15  4:49             ` Glauber Costa
2009-05-17  8:46           ` Heli
2009-05-17  9:31             ` Avi Kivity [this message]
2009-05-17 14:41             ` Fernando Carrijo
2009-05-14 14:57 ` Mulyadi Santosa
  -- strict thread matches above, loose matches on Subject: below --
2009-05-15  8:54 helicoterus-elih
2009-05-13 18:41 helicoterus-elih
2009-05-14  4:38 ` Mulyadi Santosa

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