Re: [PATCH v5 0/2] x86/kvm: Reduce vcpu_is_preempted() overhead

From: Paolo Bonzini
Date: Tue Feb 21 2017 - 06:49:30 EST




On 20/02/2017 20:54, Peter Zijlstra wrote:
> On Mon, Feb 20, 2017 at 01:36:02PM -0500, Waiman Long wrote:
>> Waiman Long (2):
>> x86/paravirt: Change vcp_is_preempted() arg type to long
>> x86/kvm: Provide optimized version of vcpu_is_preempted() for x86-64
>>
>> arch/x86/include/asm/paravirt.h | 2 +-
>> arch/x86/include/asm/qspinlock.h | 2 +-
>> arch/x86/kernel/asm-offsets_64.c | 9 +++++++++
>> arch/x86/kernel/kvm.c | 26 +++++++++++++++++++++++++-
>> arch/x86/kernel/paravirt-spinlocks.c | 2 +-
>> 5 files changed, 37 insertions(+), 4 deletions(-)
>
> I'm assuming this will go through the KVM tree, if people want me to
> take it through the tip tree, please let me know.
>
> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxx>

Applied, thanks.

Paolo