On 2017/8/16 12:04, Michael S. Tsirkin wrote:
On Thu, Jun 22, 2017 at 11:22:13AM +, root wrote:
From: Yang Zhang
This patch introduce a new mechanism to poll for a while before
entering idle state.
David has a topic in KVM forum to describe the problem on current KVM VM
when running some
On Thu, Jun 22, 2017 at 11:22:13AM +, root wrote:
> From: Yang Zhang
>
> This patch introduce a new mechanism to poll for a while before
> entering idle state.
>
> David has a topic in KVM forum to describe the problem on current KVM VM
> when running some message passing workload in KVM for
On 2017/6/22 22:23, Thomas Gleixner wrote:
On Thu, 22 Jun 2017, root wrote:
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -39,6 +39,10 @@
#include
#include
+#ifdef CONFIG_HYPERVISOR_GUEST
+unsigned long poll_threshold_ns;
+#endif
+
/*
* per-CPU TSS segments. Threads
On Thu, 22 Jun 2017, root wrote:
> --- a/arch/x86/kernel/process.c
> +++ b/arch/x86/kernel/process.c
> @@ -39,6 +39,10 @@
> #include
> #include
>
> +#ifdef CONFIG_HYPERVISOR_GUEST
> +unsigned long poll_threshold_ns;
> +#endif
> +
> /*
> * per-CPU TSS segments. Threads are completely 'soft'
From: Yang Zhang
This patch introduce a new mechanism to poll for a while before
entering idle state.
David has a topic in KVM forum to describe the problem on current KVM VM
when running some message passing workload in KVM forum. Also, there
are some work to improve the performance in KVM, lik
