Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758886AbaKUQUD (ORCPT ); Fri, 21 Nov 2014 11:20:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41760 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757926AbaKUQUA (ORCPT ); Fri, 21 Nov 2014 11:20:00 -0500 Date: Fri, 21 Nov 2014 17:19:57 +0100 From: Radim =?utf-8?B?S3LEjW3DocWZ?= To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH] kvm: x86: move ioapic.c and irq_comm.c back to arch/x86/ Message-ID: <20141121161956.GA16941@potion.brq.redhat.com> References: <1416490931-21724-1-git-send-email-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1416490931-21724-1-git-send-email-pbonzini@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2014-11-20 14:42+0100, Paolo Bonzini: > ia64 does not need them anymore. (Similar for device assignment and iommu, should I prepare patches?) > Signed-off-by: Paolo Bonzini > --- At least one compile-breaker on arches without IOAPIC, > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index ea53b04993f2..d2d42709d6f4 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > +#ifdef __KVM_HAVE_IOAPIC > +void kvm_vcpu_request_scan_ioapic(struct kvm *kvm); > +#else > +static inline void kvm_vcpu_request-scan_ioapic(struct kvm *kvm) ^_- > +{ > +} > +#endif > + Reviewed-by: Radim Krčmář And we could clean them up as well: ---8<--- KVM: x86: remove IA64 from ioapic.c and irq_comm.c They won't get compiled in x86 tree. Signed-off-by: Radim Krčmář --- arch/x86/kvm/ioapic.c | 12 ------------ arch/x86/kvm/irq_comm.c | 41 ++--------------------------------------- 2 files changed, 2 insertions(+), 51 deletions(-) diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index 0ba4057..b1947e0 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -270,7 +270,6 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap, spin_unlock(&ioapic->lock); } -#ifdef CONFIG_X86 void kvm_vcpu_request_scan_ioapic(struct kvm *kvm) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; @@ -279,12 +278,6 @@ void kvm_vcpu_request_scan_ioapic(struct kvm *kvm) return; kvm_make_scan_ioapic_request(kvm); } -#else -void kvm_vcpu_request_scan_ioapic(struct kvm *kvm) -{ - return; -} -#endif static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) { @@ -586,11 +579,6 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, case IOAPIC_REG_WINDOW: ioapic_write_indirect(ioapic, data); break; -#ifdef CONFIG_IA64 - case IOAPIC_REG_EOI: - __kvm_ioapic_update_eoi(NULL, ioapic, data, IOAPIC_LEVEL_TRIG); - break; -#endif default: break; diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index a8f988c..72298b3 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -26,9 +26,6 @@ #include #include -#ifdef CONFIG_IA64 -#include -#endif #include "irq.h" @@ -38,12 +35,8 @@ static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level, bool line_status) { -#ifdef CONFIG_X86 struct kvm_pic *pic = pic_irqchip(kvm); return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level); -#else - return -1; -#endif } static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e, @@ -57,12 +50,7 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e, inline static bool kvm_is_dm_lowest_prio(struct kvm_lapic_irq *irq) { -#ifdef CONFIG_IA64 - return irq->delivery_mode == - (IOSAPIC_LOWEST_PRIORITY << IOSAPIC_DELIVERY_SHIFT); -#else return irq->delivery_mode == APIC_DM_LOWEST; -#endif } int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src, @@ -202,9 +190,7 @@ int kvm_request_irq_source_id(struct kvm *kvm) } ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID); -#ifdef CONFIG_X86 ASSERT(irq_source_id != KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID); -#endif set_bit(irq_source_id, bitmap); unlock: mutex_unlock(&kvm->irq_lock); @@ -215,9 +201,7 @@ unlock: void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id) { ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID); -#ifdef CONFIG_X86 ASSERT(irq_source_id != KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID); -#endif mutex_lock(&kvm->irq_lock); if (irq_source_id < 0 || @@ -230,9 +214,7 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id) goto unlock; kvm_ioapic_clear_all(kvm->arch.vioapic, irq_source_id); -#ifdef CONFIG_X86 kvm_pic_clear_all(pic_irqchip(kvm), irq_source_id); -#endif unlock: mutex_unlock(&kvm->irq_lock); } @@ -322,16 +304,11 @@ out: .u.irqchip = { .irqchip = KVM_IRQCHIP_IOAPIC, .pin = (irq) } } #define ROUTING_ENTRY1(irq) IOAPIC_ROUTING_ENTRY(irq) -#ifdef CONFIG_X86 -# define PIC_ROUTING_ENTRY(irq) \ +#define PIC_ROUTING_ENTRY(irq) \ { .gsi = irq, .type = KVM_IRQ_ROUTING_IRQCHIP, \ .u.irqchip = { .irqchip = SELECT_PIC(irq), .pin = (irq) % 8 } } -# define ROUTING_ENTRY2(irq) \ +#define ROUTING_ENTRY2(irq) \ IOAPIC_ROUTING_ENTRY(irq), PIC_ROUTING_ENTRY(irq) -#else -# define ROUTING_ENTRY2(irq) \ - IOAPIC_ROUTING_ENTRY(irq) -#endif static const struct kvm_irq_routing_entry default_routing[] = { ROUTING_ENTRY2(0), ROUTING_ENTRY2(1), @@ -346,20 +323,6 @@ static const struct kvm_irq_routing_entry default_routing[] = { ROUTING_ENTRY1(18), ROUTING_ENTRY1(19), ROUTING_ENTRY1(20), ROUTING_ENTRY1(21), ROUTING_ENTRY1(22), ROUTING_ENTRY1(23), -#ifdef CONFIG_IA64 - ROUTING_ENTRY1(24), ROUTING_ENTRY1(25), - ROUTING_ENTRY1(26), ROUTING_ENTRY1(27), - ROUTING_ENTRY1(28), ROUTING_ENTRY1(29), - ROUTING_ENTRY1(30), ROUTING_ENTRY1(31), - ROUTING_ENTRY1(32), ROUTING_ENTRY1(33), - ROUTING_ENTRY1(34), ROUTING_ENTRY1(35), - ROUTING_ENTRY1(36), ROUTING_ENTRY1(37), - ROUTING_ENTRY1(38), ROUTING_ENTRY1(39), - ROUTING_ENTRY1(40), ROUTING_ENTRY1(41), - ROUTING_ENTRY1(42), ROUTING_ENTRY1(43), - ROUTING_ENTRY1(44), ROUTING_ENTRY1(45), - ROUTING_ENTRY1(46), ROUTING_ENTRY1(47), -#endif }; int kvm_setup_default_irq_routing(struct kvm *kvm) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/