From: Avi Kivity <avi@redhat.com>
To: Richard Simpson <rs1002@huskydog.org.uk>
Cc: kvm@vger.kernel.org
Subject: Re: Setting nx bit in virtual CPU
Date: Thu, 01 Apr 2010 11:43:14 +0300 [thread overview]
Message-ID: <4BB45CA2.5040304@redhat.com> (raw)
In-Reply-To: <4BB126AC.8040401@huskydog.org.uk>
On 03/30/2010 01:16 AM, Richard Simpson wrote:
> Hello,
>
> Summary: How can I have a virtual CPU with the nx bit set whilst
> enjoying KVM acceleration?
>
> My Host - AMD Athlon(tm) 64 Processor 3200+ running Gentoo
> My VM - KVM running hardened Gentoo
> My KVM version - 0.12.3
> My Task - Implement restricted secure VM to handle services exposed to
> internet.
> My Command - kvm -hda /dev/mapper/vols-andrew -kernel ./bzImage -append
> root=/dev/hda2 -cpu host -runas xxx -net nic -net user -m 256 -k en-gb
> -vnc :1 -monitor stdio
>
>
Are you running a 32-bit non-pae host kernel? In that case, nx is
disabled both for the guest and host. Switch to a pae (or 64-bit)
kernel and all should be well.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-04-01 16:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-29 22:16 Setting nx bit in virtual CPU Richard Simpson
2010-03-30 2:12 ` Chris Wright
2010-03-30 20:42 ` Richard Simpson
2010-04-01 8:43 ` Avi Kivity [this message]
2010-04-02 21:07 ` Richard Simpson
2010-04-05 8:27 ` Avi Kivity
2010-04-06 22:31 ` Richard Simpson
2010-04-07 5:39 ` Avi Kivity
2010-04-07 12:10 ` Richard Simpson
2010-04-07 12:23 ` Avi Kivity
2010-04-07 20:38 ` Richard Simpson
2010-04-07 20:48 ` Avi Kivity
2010-04-07 23:13 ` Richard Simpson
2010-04-08 7:23 ` Avi Kivity
2010-04-08 23:55 ` Richard Simpson
2010-04-10 19:34 ` Avi Kivity
2010-04-08 8:52 ` Andre Przywara
2010-04-08 21:23 ` Richard Simpson
2010-04-09 23:45 ` Andre Przywara
2010-04-12 21:15 ` Richard Simpson
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