On Thu, May 17, 2018 at 08:57:04PM +0300, Michael S. Tsirkin wrote:
> On Thu, May 17, 2018 at 02:34:28PM -0300, Eduardo Habkost wrote:
> > On Wed, May 16, 2018 at 05:26:40PM +0300, Michael S. Tsirkin wrote:
> > > On Wed, May 16, 2018 at 09:34:52AM -0300, Eduardo Habkost wrote:
> > > > On Sat, May 1
On Thu, May 17, 2018 at 02:34:28PM -0300, Eduardo Habkost wrote:
> On Wed, May 16, 2018 at 05:26:40PM +0300, Michael S. Tsirkin wrote:
> > On Wed, May 16, 2018 at 09:34:52AM -0300, Eduardo Habkost wrote:
> > > On Sat, May 12, 2018 at 01:12:59AM +0300, Michael S. Tsirkin wrote:
> > > > On Thu, Apr 1
On Wed, May 16, 2018 at 05:26:40PM +0300, Michael S. Tsirkin wrote:
> On Wed, May 16, 2018 at 09:34:52AM -0300, Eduardo Habkost wrote:
> > On Sat, May 12, 2018 at 01:12:59AM +0300, Michael S. Tsirkin wrote:
> > > On Thu, Apr 19, 2018 at 06:53:20PM -0300, Eduardo Habkost wrote:
> > > > On Thu, Apr 1
On Wed, May 16, 2018 at 07:21:04PM +0300, Michael S. Tsirkin wrote:
> On Wed, May 16, 2018 at 12:33:50PM -0300, Eduardo Habkost wrote:
> > On Wed, May 16, 2018 at 06:13:17PM +0300, Michael S. Tsirkin wrote:
> > > On Wed, May 16, 2018 at 05:04:41PM +0200, Paolo Bonzini wrote:
> > > > On 16/05/2018 1
On Wed, May 16, 2018 at 12:33:50PM -0300, Eduardo Habkost wrote:
> On Wed, May 16, 2018 at 06:13:17PM +0300, Michael S. Tsirkin wrote:
> > On Wed, May 16, 2018 at 05:04:41PM +0200, Paolo Bonzini wrote:
> > > On 16/05/2018 16:22, Michael S. Tsirkin wrote:
> > > >> kvm-hint-dedicated=on only sets the
On Wed, May 16, 2018 at 06:13:17PM +0300, Michael S. Tsirkin wrote:
> On Wed, May 16, 2018 at 05:04:41PM +0200, Paolo Bonzini wrote:
> > On 16/05/2018 16:22, Michael S. Tsirkin wrote:
> > >> kvm-hint-dedicated=on only sets the CPUID bit, which Linux for example
> > >> uses that to disable pv spinlo
On Wed, May 16, 2018 at 05:04:41PM +0200, Paolo Bonzini wrote:
> On 16/05/2018 16:22, Michael S. Tsirkin wrote:
> >> kvm-hint-dedicated=on only sets the CPUID bit, which Linux for example
> >> uses that to disable pv spinlocks. "-realtime dedicated-cpus=on" only
> >> disables the vmexits. You can
On 16/05/2018 16:22, Michael S. Tsirkin wrote:
>> kvm-hint-dedicated=on only sets the CPUID bit, which Linux for example
>> uses that to disable pv spinlocks. "-realtime dedicated-cpus=on" only
>> disables the vmexits. You can use the two independently.
>
> But when would you want to use the two
On Wed, May 16, 2018 at 09:34:52AM -0300, Eduardo Habkost wrote:
> On Sat, May 12, 2018 at 01:12:59AM +0300, Michael S. Tsirkin wrote:
> > On Thu, Apr 19, 2018 at 06:53:20PM -0300, Eduardo Habkost wrote:
> > > On Thu, Apr 19, 2018 at 11:32:16PM +0200, Paolo Bonzini wrote:
> > > > On 19/04/2018 21:5
On Wed, May 16, 2018 at 02:44:24PM +0200, Paolo Bonzini wrote:
> On 12/05/2018 00:12, Michael S. Tsirkin wrote:
> >> Maybe it's a better idea than overloading an option that is only
> >> expected to control a CPUID bit.
> > Well -realtime would be a bit confusing in that it enables mlock by
> > def
On 12/05/2018 00:12, Michael S. Tsirkin wrote:
>> Maybe it's a better idea than overloading an option that is only
>> expected to control a CPUID bit.
> Well -realtime would be a bit confusing in that it enables mlock by
> default.
Currently, the only suboption of "-realtime" is mlock, which means
On Sat, May 12, 2018 at 01:12:59AM +0300, Michael S. Tsirkin wrote:
> On Thu, Apr 19, 2018 at 06:53:20PM -0300, Eduardo Habkost wrote:
> > On Thu, Apr 19, 2018 at 11:32:16PM +0200, Paolo Bonzini wrote:
> > > On 19/04/2018 21:56, Eduardo Habkost wrote:
> > > > On Thu, Apr 19, 2018 at 05:48:57PM +020
2018-05-12 5:57 GMT+08:00 Michael S. Tsirkin :
> On Wed, Apr 18, 2018 at 09:09:19AM +0800, Wanpeng Li wrote:
>> 2018-04-18 2:08 GMT+08:00 Michael S. Tsirkin :
>> > On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
>> >> From: Wanpeng Li
>> >>
>> >> This patch adds support for KVM_CAP_X86
On Thu, Apr 19, 2018 at 06:53:20PM -0300, Eduardo Habkost wrote:
> On Thu, Apr 19, 2018 at 11:32:16PM +0200, Paolo Bonzini wrote:
> > On 19/04/2018 21:56, Eduardo Habkost wrote:
> > > On Thu, Apr 19, 2018 at 05:48:57PM +0200, Paolo Bonzini wrote:
> > >> On 17/04/2018 22:59, Eduardo Habkost wrote:
>
On Wed, Apr 18, 2018 at 09:09:19AM +0800, Wanpeng Li wrote:
> 2018-04-18 2:08 GMT+08:00 Michael S. Tsirkin :
> > On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
> >> From: Wanpeng Li
> >>
> >> This patch adds support for KVM_CAP_X86_DISABLE_EXITS. Provides userspace
> >> with
> >> per
On Thu, Apr 19, 2018 at 11:32:16PM +0200, Paolo Bonzini wrote:
> On 19/04/2018 21:56, Eduardo Habkost wrote:
> > On Thu, Apr 19, 2018 at 05:48:57PM +0200, Paolo Bonzini wrote:
> >> On 17/04/2018 22:59, Eduardo Habkost wrote:
> +if (disable_exits) {
> +disable_exits &=
On 19/04/2018 21:56, Eduardo Habkost wrote:
> On Thu, Apr 19, 2018 at 05:48:57PM +0200, Paolo Bonzini wrote:
>> On 17/04/2018 22:59, Eduardo Habkost wrote:
+if (disable_exits) {
+disable_exits &= (KVM_X86_DISABLE_EXITS_MWAIT |
+ KVM_X8
On Thu, Apr 19, 2018 at 05:48:57PM +0200, Paolo Bonzini wrote:
> On 17/04/2018 22:59, Eduardo Habkost wrote:
> >> +if (disable_exits) {
> >> +disable_exits &= (KVM_X86_DISABLE_EXITS_MWAIT |
> >> + KVM_X86_DISABLE_EXITS_HLT |
> >> +
On 17/04/2018 22:59, Eduardo Habkost wrote:
>> +if (disable_exits) {
>> +disable_exits &= (KVM_X86_DISABLE_EXITS_MWAIT |
>> + KVM_X86_DISABLE_EXITS_HLT |
>> + KVM_X86_DISABLE_EXITS_PAUSE);
>> +if (env->user_fe
2018-04-18 4:59 GMT+08:00 Eduardo Habkost :
> On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
[.../...]
>>
>> +if (env->features[FEAT_KVM_HINTS] & KVM_HINTS_DEDICATED) {
>> +int disable_exits = kvm_check_extension(cs->kvm_state,
>> KVM_CAP_X86_DISABLE_EXITS);
>> +
>> +
2018-04-18 2:08 GMT+08:00 Michael S. Tsirkin :
> On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
>> From: Wanpeng Li
>>
>> This patch adds support for KVM_CAP_X86_DISABLE_EXITS. Provides userspace
>> with
>> per-VM capability(KVM_CAP_X86_DISABLE_EXITS) to not intercept MWAIT/HLT/PAUSE
On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
> From: Wanpeng Li
>
> This patch adds support for KVM_CAP_X86_DISABLE_EXITS. Provides userspace
> with
> per-VM capability(KVM_CAP_X86_DISABLE_EXITS) to not intercept MWAIT/HLT/PAUSE
> in order that to improve latency in some workloa
On Tue, Apr 17, 2018 at 01:24:15AM -0700, Wanpeng Li wrote:
> From: Wanpeng Li
>
> This patch adds support for KVM_CAP_X86_DISABLE_EXITS. Provides userspace
> with
> per-VM capability(KVM_CAP_X86_DISABLE_EXITS) to not intercept MWAIT/HLT/PAUSE
> in order that to improve latency in some workloa
Hi,
This series seems to have some coding style problems. See output below for
more information:
Type: series
Message-id: 1523953455-28053-1-git-send-email-wanpen...@tencent.com
Subject: [Qemu-devel] [PATCH RESEND v2] i386/kvm: add support for
KVM_CAP_X86_DISABLE_EXITS
=== TEST SCRIPT BEGIN ===
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