Re: [PATCH RESEND] KVM: X86: Use IPI shorthands in kvm guest when support

2019-07-29 Thread Wanpeng Li
On Tue, 30 Jul 2019 at 01:50, Sean Christopherson wrote: > > On Fri, Jul 26, 2019 at 02:15:27PM +0800, Wanpeng Li wrote: > > From: Wanpeng Li > > > > IPI shorthand is supported now by linux apic/x2apic driver, switch to > > IPI shorthand for all excluding self and all including self destination

Re: [PATCH RESEND] KVM: X86: Use IPI shorthands in kvm guest when support

2019-07-29 Thread Sean Christopherson
On Fri, Jul 26, 2019 at 02:15:27PM +0800, Wanpeng Li wrote: > From: Wanpeng Li > > IPI shorthand is supported now by linux apic/x2apic driver, switch to > IPI shorthand for all excluding self and all including self destination > shorthand in kvm guest, to avoid splitting the target mask into

[PATCH RESEND] KVM: X86: Use IPI shorthands in kvm guest when support

2019-07-26 Thread Wanpeng Li
From: Wanpeng Li IPI shorthand is supported now by linux apic/x2apic driver, switch to IPI shorthand for all excluding self and all including self destination shorthand in kvm guest, to avoid splitting the target mask into serveral PV IPI hypercalls. Cc: Thomas Gleixner Cc: Paolo Bonzini