Davide Libenzi wrote:
> On Thu, 17 May 2007, Avi Kivity wrote:
>
>
>> Davide Libenzi wrote:
>>
>>> On Wed, 16 May 2007, Avi Kivity wrote:
>>>
>>>
>>>
IMO doing eventfd_fget() asap is best. I much prefer refcounted pointers
to
handles in the kernel: it's easier to s
>What to do?
>
Re-test it without using xen's dom0 kernel.
>
>malysh:/var/log# uname -a
>Linux malysh 2.6.18-4-xen-amd64 #1 SMP Fri May 4 02:40:51 UTC 2007
>x86_64 GNU/Linux
>
>
>kvm_amd21520 0
>kvm68596 1 kvm_amd
Dong, Eddie wrote:
> Avi:
>
> This patch is to avoid saving and restoring of msr_efer on
> lightweight vmexit.
>
> With this patch, the Kernel build get 10% increasement for
> 64bits on 64 bits,
> and 5-8% increasement for 32bits on 64 bits.
> Vmexit.flat can see ~1185 cycle
Daniel Hecken wrote:
> Hello,
>
> I have an Intel Core 2 Duo running Ubuntu Feisty 2.6.20-15 in 32 Bit
> mode. If I try to compile kvm-trunk ( kvm-24-gfbfe1dc ) and the modules
> from git ( v2.6.22-rc1-gf552bf6 ) I get a few compiler errors and the
> compiler stops.
>
> Please find attached 2 patch
Nakajima, Jun wrote:
> An updated specification (Rev 1.0 update) of Intel(r) virtualization
> technology for Directed I/O is now available on Intel web site:
>
> http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Di
> rect_IO.pdf
>
> The specification update includes DMA remapp
Gregory Haskins wrote:
> Hi All,
>
> I was thinking about some of the issues that we are dealing with
> w.r.t. signalling a sleeping userspace (eventfd, signals, etc). I was
> wondering if perhaps we were looking at the problem the wrong way. Can we
> perform halts in the kernel and the
Dimitry Golubovsky wrote:
> Hi,
>
> I am going to use KVM on a headless machine with sound never on (even
> not compiled in the kernel).
>
> I'm just curious if there is a possibility to build the kvm-qemu
> without all this sound/video stuff (or with minimum of it). In
> particular, without alsa a
Gregory Haskins wrote:
> 2) Moved eventfd patch to end of series and dropped it from the public release
> (for now). We dont technically need to signal userspace if PIT is enabled
> since this wakes us up anyway. We can defer the eventfd/in-kernel-halt
> conversation for later.
>
The PIT will
>>> Avi Kivity <[EMAIL PROTECTED]> 05/20/07 3:55 AM >>>
>The PIT will wake us up, but at a substantial delay, which may cause a
>large drop in throughput. It's not enough to get the wakeup, it needs
>to be immediate.
I agree fully. To clarify, I just meant we are ok to review v6 without a
sol
Seems a typo leaking our eyes :-(
Fixing a typo which mixes X86_64 and CONFIG_X86_64 and block 64
bits guest now.
Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 5f4bdc0..9bf8c04 100644
--- a/drivers/kvm/vmx
Dong, Eddie wrote:
> Seems a typo leaking our eyes :-(
>
>
> Fixing a typo which mixes X86_64 and CONFIG_X86_64 and block 64
> bits guest now.
>
>
Ouch. Applied & pushed. Thanks.
--
error compiling committee.c: too many arguments to function
--
Avi Kivity wrote:
> Dong, Eddie wrote:
>> Avi:
>>
>> This patch is to avoid saving and restoring of msr_efer on
>> lightweight vmexit.
>>
>> With this patch, the Kernel build get 10% increasement for
64bits
>> on 64 bits, and 5-8% increasement for 32bits on 64 bits.
>> Vmexit
Dong, Eddie wrote:
> Here is the reformatted one, with the patch 64bits guest Kernel Build
> performance
> on my platform exceeds Xen by ~7%.
>
Hey, this came earlier than I expected :)
>
> +#define msr_efer_save_restore_bits(x) ((x).data &
> EFER_SAVE_RESTORE_BITS)
> +
>
This needs to b
> For archived messages at http://article.gmane.org/, you can append
> "/raw" to the URL to get an unprocessed copy of the message.
Thanks for the info, at first I didn't catch that "article.gmane.org" was
referring to as I read your post. So for other newbie's the kvm archive is at
http://news.gm
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Try again.
Eddie
kvm.h |2 ++
kvm_main.c | 23 +++
vmx.c | 59
+--
3 files changed, 66 insertions(+), 18 deletions(-)
commit 7de9b4bff794317ae05c0f3b2fec9b3d710fed2b
Author: root <[EMAIL PROTECTED](no
[EMAIL PROTECTED] wrote:
> Try again.
Wrong attachment. Please use this one.
commit 5ad9d2ec2cd1f324aa75f2bb0fd7a2de1cb769c3
Author: root <[EMAIL PROTECTED](none)>
Date: Mon May 21 10:37:34 2007 +0800
KVM: VMX: Avoid saving and restoring msr_efer on lightweight vmexit
MSR_EFER.LME
Dong, Eddie wrote:
> [EMAIL PROTECTED] wrote:
>
>> Try again.
>>
> Wrong attachment. Please use this one.
>
>
Applied & thanks.
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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