From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cornelia Huck Subject: Re: [PATCH 4/5] KVM: s390: drop use of spin lock in __floating_irq_kick Date: Wed, 20 Dec 2017 17:40:22 +0100 Message-ID: <20171220174022.1e8f7bb8.cohuck@redhat.com> References: <20171220155300.102321-1-borntraeger@de.ibm.com> <20171220155300.102321-5-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20171220155300.102321-5-borntraeger@de.ibm.com> Sender: kvm-owner@vger.kernel.org List-Archive: List-Post: To: Christian Borntraeger Cc: KVM , linux-s390 List-ID: On Wed, 20 Dec 2017 16:52:59 +0100 Christian Borntraeger wrote: > From: Michael Mueller > > It is not required to take to a lock to protect access to the cpuflags > of the local interrupt structure of a vcpu as the performed operation > is an atomic_or. > > Signed-off-by: Michael Mueller > Reviewed-by: Christian Borntraeger > Signed-off-by: Christian Borntraeger > --- > arch/s390/kvm/interrupt.c | 2 -- > 1 file changed, 2 deletions(-) Reviewed-by: Cornelia Huck