From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH] kvm: Drop obsolete cpu_get/put in make_all_cpus_request Date: Mon, 20 Jul 2009 11:30:12 +0200 Message-ID: <4A643924.6060908@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Marcelo Tosatti Return-path: Received: from gecko.sbs.de ([194.138.37.40]:18862 "EHLO gecko.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753077AbZGTJah (ORCPT ); Mon, 20 Jul 2009 05:30:37 -0400 Sender: kvm-owner@vger.kernel.org List-ID: spin_lock disables preemption, so we can simply read the current cpu. Signed-off-by: Jan Kiszka --- virt/kvm/kvm_main.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7cd1c10..98e4ec8 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -741,8 +741,8 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) if (alloc_cpumask_var(&cpus, GFP_ATOMIC)) cpumask_clear(cpus); - me = get_cpu(); spin_lock(&kvm->requests_lock); + me = smp_processor_id(); kvm_for_each_vcpu(i, vcpu, kvm) { if (test_and_set_bit(req, &vcpu->requests)) continue; @@ -757,7 +757,6 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req) else called = false; spin_unlock(&kvm->requests_lock); - put_cpu(); free_cpumask_var(cpus); return called; }