lkml.org 
[lkml]   [2012]   [Apr]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC V6 0/11] Paravirtualized ticketlocks
On 04/02/2012 03:21 PM, Raghavendra K T wrote:
> On 04/01/2012 07:23 PM, Avi Kivity wrote:
> > On 04/01/2012 04:48 PM, Raghavendra K T wrote:
> >>>> I have patch something like below in mind to try:
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 5127668..3fa912a 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -1557,12 +1557,17 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
> mark_page_dirty_in_slot(kvm, memslot, gfn);
> }
>
> +#define YIELD_THRESHOLD 2048
> +static void kvm_vcpu_try_yield_to(struct kvm_vcpu *me);
> /*
> * The vCPU has executed a HLT instruction with in-kernel mode enabled.
> */
> void kvm_vcpu_block(struct kvm_vcpu *vcpu)
> {
[...]
> + if (loop_count++ % YIELD_THRESHOLD)
> + schedule();
> + else
> + kvm_vcpu_try_yield_to(vcpu);
> }
>
> +static void kvm_vcpu_try_yield(struct kvm_vcpu *me)

yes, it is kvm_vcpu_try_yield_to. had changed the name just before
sending. sorry.



\
 
 \ /
  Last update: 2012-04-02 14:19    [W:1.886 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site