From: 陳韋任 <chenwj@iis.sinica.edu.tw>
To: Xin Tong <xerox.time.tech@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] In-kernel emulation
Date: Sat, 8 Oct 2011 00:33:08 +0800 [thread overview]
Message-ID: <20111007163307.GA46335@cs.nctu.edu.tw> (raw)
In-Reply-To: <CALKntY3uc=10Th6JkXJk3-CBGpsKHwe_dcyhSu5YDwhyLXxYdw@mail.gmail.com>
> I am wondering that whether there are any attempts (product-oriented or
> research-based ) to push QEMU into the Linux kernel to speed up emulation.
> If the emulation is running in the kernel, there are some resources it can
> manipulate to speed up emulation in comparison to the when it is running as
> a user process, i.e. MMU. Also, IO emulation may become faster, because 2
> kernel enters and exits are incurred for a network packet if QEMU is running
> as a user process. If QEMU is running in the kernel, only 1 kernel enter and
> exit are needed. Any suggestions or discussions are welcome.
You want to use QEMU to emulate guest ISA different from the host?
If the ISA of guest and host is the same, then KVM is enough, I think.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
next prev parent reply other threads:[~2011-10-07 16:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 12:32 [Qemu-devel] In-kernel emulation Xin Tong
2011-10-07 16:33 ` 陳韋任 [this message]
[not found] ` <CALKntY1nQ2AE5tD7TuSar2ygNivN5U5T4-PmsXZFx1JD1a1R9w@mail.gmail.com>
2011-10-07 19:10 ` 陳韋任
2011-10-07 19:16 ` Xin Tong
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