From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 0/2] halt polling changes Date: Fri, 13 May 2016 14:03:05 +0200 Message-ID: <5735C279.1070303@redhat.com> References: <1463134596-19470-1-git-send-email-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: KVM , Cornelia Huck , linux-s390 To: Christian Borntraeger , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Return-path: Received: from mx1.redhat.com ([209.132.183.28]:58398 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752042AbcEMMDK (ORCPT ); Fri, 13 May 2016 08:03:10 -0400 In-Reply-To: <1463134596-19470-1-git-send-email-borntraeger@de.ibm.com> Sender: kvm-owner@vger.kernel.org List-ID: On 13/05/2016 12:16, Christian Borntraeger wrote: > Paolo, Radim, > > here is the updated version of halt polling patches that improves s390. > Lots of uperf/iperf measurements showed several improvements without > things going over board. So I would like to go with this approach. > Patch 1 was several days in linux-next (I just added Radims ACk > from an earlier version), so it does not seem to break mips,arm,power and > x86. Still ok for 4.7 or shall I defer this for 4.8? Your call, it's just s390 stuff. :) So I will commit for 4.7. Thanks, Paolo > Christian Borntraeger (2): > KVM: halt_polling: provide a way to qualify wakeups during poll > KVM: s390: set halt polling to 80 microseconds > > arch/arm/include/asm/kvm_host.h | 2 ++ > arch/arm64/include/asm/kvm_host.h | 2 ++ > arch/mips/include/asm/kvm_host.h | 2 ++ > arch/mips/kvm/mips.c | 1 + > arch/powerpc/include/asm/kvm_host.h | 2 ++ > arch/powerpc/kvm/book3s.c | 1 + > arch/powerpc/kvm/booke.c | 1 + > arch/s390/include/asm/kvm_host.h | 5 ++++- > arch/s390/kvm/Kconfig | 1 + > arch/s390/kvm/interrupt.c | 5 +++++ > arch/s390/kvm/kvm-s390.c | 6 ++++++ > arch/x86/include/asm/kvm_host.h | 2 ++ > arch/x86/kvm/x86.c | 1 + > include/linux/kvm_host.h | 15 +++++++++++++++ > include/trace/events/kvm.h | 11 +++++++---- > virt/kvm/Kconfig | 3 +++ > virt/kvm/kvm_main.c | 8 ++++++-- > 17 files changed, 61 insertions(+), 7 deletions(-) >