From patchwork Thu Aug 28 13:13:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= X-Patchwork-Id: 4804451 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 06F48C0338 for ; Thu, 28 Aug 2014 13:17:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 823AF200BE for ; Thu, 28 Aug 2014 13:17:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D5AE92015E for ; Thu, 28 Aug 2014 13:17:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751855AbaH1NOc (ORCPT ); Thu, 28 Aug 2014 09:14:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25627 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751516AbaH1NOF (ORCPT ); Thu, 28 Aug 2014 09:14:05 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s7SDE0qr029002 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 28 Aug 2014 09:14:00 -0400 Received: from potion (dhcp-1-122.brq.redhat.com [10.34.1.122]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id s7SDDuJr015800; Thu, 28 Aug 2014 09:13:57 -0400 Received: by potion (sSMTP sendmail emulation); Thu, 28 Aug 2014 15:13:56 +0200 From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-ia64@vger.kernel.org, linux-s390@vger.kernel.org, kvmarm@lists.cs.columbia.edu, Paolo Bonzini , Gleb Natapov , Christoffer Dall Subject: [PATCH 2/2] KVM: remove garbage arg to *hardware_{en,dis}able Date: Thu, 28 Aug 2014 15:13:03 +0200 Message-Id: <1409231583-7048-3-git-send-email-rkrcmar@redhat.com> In-Reply-To: <1409231583-7048-1-git-send-email-rkrcmar@redhat.com> References: <1409231583-7048-1-git-send-email-rkrcmar@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-5.9 required=5.0 tests=BAYES_00,HK_RANDOM_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In the beggining was on_each_cpu(), which required an unused argument to kvm_arch_ops.hardware_{en,dis}able, but this was soon forgotten. Remove unnecessary arguments that stem from this. Signed-off-by: Radim Kr?má? Acked-by: Christoffer Dall --- arch/arm/include/asm/kvm_host.h | 2 +- arch/arm/kvm/arm.c | 2 +- arch/arm64/include/asm/kvm_host.h | 2 +- arch/ia64/kvm/kvm-ia64.c | 4 ++-- arch/mips/include/asm/kvm_host.h | 2 +- arch/mips/kvm/mips.c | 2 +- arch/powerpc/include/asm/kvm_host.h | 2 +- arch/powerpc/kvm/powerpc.c | 2 +- arch/s390/include/asm/kvm_host.h | 2 +- arch/s390/kvm/kvm-s390.c | 2 +- arch/x86/include/asm/kvm_host.h | 4 ++-- arch/x86/kvm/svm.c | 4 ++-- arch/x86/kvm/vmx.c | 4 ++-- arch/x86/kvm/x86.c | 12 ++++++------ include/linux/kvm_host.h | 4 ++-- virt/kvm/kvm_main.c | 4 ++-- 16 files changed, 27 insertions(+), 27 deletions(-) diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 84291fe..278ecfa 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -233,7 +233,7 @@ static inline void vgic_arch_setup(const struct vgic_params *vgic) int kvm_perf_init(void); int kvm_perf_teardown(void); -static inline void kvm_arch_hardware_disable(void *garbage) {} +static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 132bb0d..005a7b5 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -87,7 +87,7 @@ struct kvm_vcpu __percpu **kvm_get_running_vcpus(void) return &kvm_arm_running_vcpu; } -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { return 0; } diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 94d8a3c..3816c52 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -244,7 +244,7 @@ static inline void vgic_arch_setup(const struct vgic_params *vgic) } } -static inline void kvm_arch_hardware_disable(void *garbage) {} +static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 5e14dca..ec6b9ac 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -125,7 +125,7 @@ long ia64_pal_vp_create(u64 *vpd, u64 *host_iva, u64 *opt_handler) static DEFINE_SPINLOCK(vp_lock); -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { long status; long tmp_base; @@ -160,7 +160,7 @@ int kvm_arch_hardware_enable(void *garbage) return 0; } -void kvm_arch_hardware_disable(void *garbage) +void kvm_arch_hardware_disable(void) { long status; diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index b4d900a..2f63ca2 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -767,7 +767,7 @@ extern int kvm_mips_trans_mtc0(uint32_t inst, uint32_t *opc, extern void kvm_mips_dump_stats(struct kvm_vcpu *vcpu); extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); -static inline void kvm_arch_hardware_disable(void *garbage) {} +static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_free_memslot(struct kvm *kvm, diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 0ec7490..e3b21e5 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -77,7 +77,7 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu) return 1; } -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { return 0; } diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 0e646c1..b00113b 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -687,7 +687,7 @@ struct kvm_vcpu_arch { #define __KVM_HAVE_ARCH_WQP #define __KVM_HAVE_CREATE_DEVICE -static inline void kvm_arch_hardware_disable(void *garbage) {} +static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_memslots_updated(struct kvm *kvm) {} diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 72c3fc0..da50523 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -384,7 +384,7 @@ int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, } EXPORT_SYMBOL_GPL(kvmppc_ld); -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { return 0; } diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index cee2be9..5626241 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -451,7 +451,7 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, extern int sie64a(struct kvm_s390_sie_block *, u64 *); extern char sie_exit; -static inline void kvm_arch_hardware_disable(void *garbage) {} +static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_check_processor_compat(void *rtn) {} static inline void kvm_arch_exit(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 043c58b..c942d61 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -100,7 +100,7 @@ int test_vfacility(unsigned long nr) } /* Section: not file related */ -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { /* every s390 is virtualization enabled ;-) */ return 0; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index ac0f90e..031e1dc 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -665,8 +665,8 @@ struct msr_data { struct kvm_x86_ops { int (*cpu_has_kvm_support)(void); /* __init */ int (*disabled_by_bios)(void); /* __init */ - int (*hardware_enable)(void *dummy); - void (*hardware_disable)(void *dummy); + int (*hardware_enable)(void); + void (*hardware_disable)(void); void (*check_processor_compatibility)(void *rtn); int (*hardware_setup)(void); /* __init */ void (*hardware_unsetup)(void); /* __exit */ diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index a981227..75e903b 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -622,7 +622,7 @@ static int has_svm(void) return 1; } -static void svm_hardware_disable(void *garbage) +static void svm_hardware_disable(void) { /* Make sure we clean up behind us */ if (static_cpu_has(X86_FEATURE_TSCRATEMSR)) @@ -633,7 +633,7 @@ static void svm_hardware_disable(void *garbage) amd_pmu_disable_virt(); } -static int svm_hardware_enable(void *garbage) +static int svm_hardware_enable(void) { struct svm_cpu_data *sd; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 85457aa..2d8c143 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2726,7 +2726,7 @@ static void kvm_cpu_vmxon(u64 addr) : "memory", "cc"); } -static int hardware_enable(void *garbage) +static int hardware_enable(void) { int cpu = raw_smp_processor_id(); u64 phys_addr = __pa(per_cpu(vmxarea, cpu)); @@ -2790,7 +2790,7 @@ static void kvm_cpu_vmxoff(void) asm volatile (__ex(ASM_VMX_VMXOFF) : : : "cc"); } -static void hardware_disable(void *garbage) +static void hardware_disable(void) { if (vmm_exclusive) { vmclear_local_loaded_vmcss(); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 6b20a3c..2ec0050 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -246,7 +246,7 @@ void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask) } EXPORT_SYMBOL_GPL(kvm_set_shared_msr); -static void drop_user_return_notifiers(void *ignore) +static void drop_user_return_notifiers(void) { unsigned int cpu = smp_processor_id(); struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu); @@ -6959,7 +6959,7 @@ void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, unsigned int vector) kvm_rip_write(vcpu, 0); } -int kvm_arch_hardware_enable(void *garbage) +int kvm_arch_hardware_enable(void) { struct kvm *kvm; struct kvm_vcpu *vcpu; @@ -6970,7 +6970,7 @@ int kvm_arch_hardware_enable(void *garbage) bool stable, backwards_tsc = false; kvm_shared_msr_cpu_online(); - ret = kvm_x86_ops->hardware_enable(garbage); + ret = kvm_x86_ops->hardware_enable(); if (ret != 0) return ret; @@ -7051,10 +7051,10 @@ int kvm_arch_hardware_enable(void *garbage) return 0; } -void kvm_arch_hardware_disable(void *garbage) +void kvm_arch_hardware_disable(void) { - kvm_x86_ops->hardware_disable(garbage); - drop_user_return_notifiers(garbage); + kvm_x86_ops->hardware_disable(); + drop_user_return_notifiers(); } int kvm_arch_hardware_setup(void) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index ebd7236..33d8d0a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -634,8 +634,8 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); -int kvm_arch_hardware_enable(void *garbage); -void kvm_arch_hardware_disable(void *garbage); +int kvm_arch_hardware_enable(void); +void kvm_arch_hardware_disable(void); int kvm_arch_hardware_setup(void); void kvm_arch_hardware_unsetup(void); void kvm_arch_check_processor_compat(void *rtn); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 5a0817e..967dbd9 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2669,7 +2669,7 @@ static void hardware_enable_nolock(void *junk) cpumask_set_cpu(cpu, cpus_hardware_enabled); - r = kvm_arch_hardware_enable(NULL); + r = kvm_arch_hardware_enable(); if (r) { cpumask_clear_cpu(cpu, cpus_hardware_enabled); @@ -2694,7 +2694,7 @@ static void hardware_disable_nolock(void *junk) if (!cpumask_test_cpu(cpu, cpus_hardware_enabled)) return; cpumask_clear_cpu(cpu, cpus_hardware_enabled); - kvm_arch_hardware_disable(NULL); + kvm_arch_hardware_disable(); } static void hardware_disable(void)