From patchwork Fri Oct 16 07:07:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Denis V. Lunev" X-Patchwork-Id: 531045 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D99291402D0 for ; Fri, 16 Oct 2015 18:09:10 +1100 (AEDT) Received: from localhost ([::1]:51202 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zmz8W-0001aQ-Vo for incoming@patchwork.ozlabs.org; Fri, 16 Oct 2015 03:09:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39785) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zmz7u-0000Qk-60 for qemu-devel@nongnu.org; Fri, 16 Oct 2015 03:08:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zmz7p-0007bI-GU for qemu-devel@nongnu.org; Fri, 16 Oct 2015 03:08:30 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:33966 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zmz7p-0007aw-1y for qemu-devel@nongnu.org; Fri, 16 Oct 2015 03:08:25 -0400 Received: from hades.sw.ru ([10.30.8.132]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id t9G77rsP016638; Fri, 16 Oct 2015 10:08:08 +0300 (MSK) From: "Denis V. Lunev" To: Date: Fri, 16 Oct 2015 10:07:49 +0300 Message-Id: <1444979273-6587-6-git-send-email-den@openvz.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1444979273-6587-1-git-send-email-den@openvz.org> References: <1444979273-6587-1-git-send-email-den@openvz.org> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Cc: kvm@vger.kernel.org, Gleb Natapov , qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, rkagan@virtuozzo.com, Paolo Bonzini , Andrey Smetanin , "Denis V. Lunev" , Vitaly Kuznetsov , "K. Y. Srinivasan" Subject: [Qemu-devel] [PATCH 5/9] kvm/irqchip: kvm_arch_irq_routing_update renaming split X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Andrey Smetanin Actually kvm_arch_irq_routing_update() should be kvm_arch_post_irq_routing_update() as it's called at the end of irq routing update. This renaming frees kvm_arch_irq_routing_update function name. kvm_arch_irq_routing_update() weak function which will be used to update mappings for arch-specific irq routing entries (in particular, the upcoming Hyper-V synthetic interrupts). Signed-off-by: Andrey Smetanin Reviewed-by: Roman Kagan Signed-off-by: Denis V. Lunev CC: Vitaly Kuznetsov CC: "K. Y. Srinivasan" CC: Gleb Natapov CC: Paolo Bonzini --- arch/x86/kvm/irq_comm.c | 2 +- include/linux/kvm_host.h | 5 +++-- virt/kvm/irqchip.c | 7 ++++++- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index c892289..6f922c2 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -364,7 +364,7 @@ int kvm_setup_empty_irq_routing(struct kvm *kvm) return kvm_set_irq_routing(kvm, empty_routing, 0, 0); } -void kvm_arch_irq_routing_update(struct kvm *kvm) +void kvm_arch_post_irq_routing_update(struct kvm *kvm) { if (ioapic_in_kernel(kvm) || !irqchip_in_kernel(kvm)) return; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index eba9cae..c742e79 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -473,12 +473,12 @@ void vcpu_put(struct kvm_vcpu *vcpu); #ifdef __KVM_HAVE_IOAPIC void kvm_vcpu_request_scan_ioapic(struct kvm *kvm); -void kvm_arch_irq_routing_update(struct kvm *kvm); +void kvm_arch_post_irq_routing_update(struct kvm *kvm); #else static inline void kvm_vcpu_request_scan_ioapic(struct kvm *kvm) { } -static inline void kvm_arch_irq_routing_update(struct kvm *kvm) +static inline void kvm_arch_post_irq_routing_update(struct kvm *kvm) { } #endif @@ -1080,6 +1080,7 @@ static inline void kvm_irq_routing_update(struct kvm *kvm) { } #endif +void kvm_arch_irq_routing_update(struct kvm *kvm); static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) { diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c index f0b08a2..fe84e1a 100644 --- a/virt/kvm/irqchip.c +++ b/virt/kvm/irqchip.c @@ -166,6 +166,10 @@ out: return r; } +void __attribute__((weak)) kvm_arch_irq_routing_update(struct kvm *kvm) +{ +} + int kvm_set_irq_routing(struct kvm *kvm, const struct kvm_irq_routing_entry *ue, unsigned nr, @@ -219,9 +223,10 @@ int kvm_set_irq_routing(struct kvm *kvm, old = kvm->irq_routing; rcu_assign_pointer(kvm->irq_routing, new); kvm_irq_routing_update(kvm); + kvm_arch_irq_routing_update(kvm); mutex_unlock(&kvm->irq_lock); - kvm_arch_irq_routing_update(kvm); + kvm_arch_post_irq_routing_update(kvm); synchronize_srcu_expedited(&kvm->irq_srcu);