From patchwork Sat Jul 15 00:53:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Raghavendra Rao Ananta X-Patchwork-Id: 13314262 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D4B3C001DF for ; Sat, 15 Jul 2023 00:54:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229482AbjGOAyQ (ORCPT ); Fri, 14 Jul 2023 20:54:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230185AbjGOAyP (ORCPT ); Fri, 14 Jul 2023 20:54:15 -0400 Received: from mail-oa1-x49.google.com (mail-oa1-x49.google.com [IPv6:2001:4860:4864:20::49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA2843A95 for ; Fri, 14 Jul 2023 17:54:12 -0700 (PDT) Received: by mail-oa1-x49.google.com with SMTP id 586e51a60fabf-1b0271d3228so4099007fac.1 for ; Fri, 14 Jul 2023 17:54:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689382451; x=1689987251; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=pQ7F4TsSIKm+3m/UuEVHQvkvR3QPPVM1NuEBA+RbnG0=; b=Z2D2pV156y9vbYFHzsriZgiR6ZLNrQcDNgpE2MdwU7KEqPhhOIRZa2ONX2F6Diyz8u +3mPuh76jCl9flz+1v3qa/XzMz2TijUng55/DUitnQs/rJ96PFl9gWDatI65ahpF6cmn bdb5cPbyWI0329PjSNOnYh+tzXevlD/IXCSmsXUA4GzUveBagxkE+XPJusEqdm20nHrV mJQ7EWfelKuQ9GlsCeyACrxX0/3KBWAum8/MklqiyZo89arrZyYpRLoCyiqV5pUxRtMz 5LJenGTlrv66K4ylXOyHqeiYRoweLhHmhDwkAI6gOpDoZT/T5Dbrqj47YzW+73VTc2/T y+Mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689382451; x=1689987251; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pQ7F4TsSIKm+3m/UuEVHQvkvR3QPPVM1NuEBA+RbnG0=; b=f6FzTOw2E43IwiL8/hK2+PGF5MDvdAmWPNWastK/t1AC/CF5PZ+azOBLmR3SlDuUQX cuUCHXxyd5kY+aEs0vr8LqDa8Suqr5KB/j0BGtlZXsjAEMmnJkjhf0+gw18EedpMIJdF A5Jfq5WvOF5kzgBoXdaye4xZW3Vp8wo4SzGoa/gZ2FI97nHfdbIT9x665ifGJV/zZLcS mCHe3MErEXxR94XE9+OuKSEAO4AIU0KLPeoIBgsVroQBDptyops6V5kGi3qQrRBrs0Ph zpFCwSRnTWMvuVFB+NY4x/SJrD7/yMvG7GP3WUza2ZbHD04QQ8Q6pAym0TCgXcIqK1fQ XK7Q== X-Gm-Message-State: ABy/qLa2qZj5URg4oyYdJ2yZGkCUbxxPdrYXoeDfaBkW45cJq43j4pD/ mQEDQVw0jtx3HtWdRjN/Tbaw6bjp9HI9 X-Google-Smtp-Source: APBJJlGVcUNdbHcX5//OLRfQx/azGf3K70BwuhAzdgyJnp6nm6/S2ZLZvlGo6sho3ZjkedjhtaP/erGmCdUd X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:22b5]) (user=rananta job=sendgmr) by 2002:a05:6871:6a9b:b0:1b0:401:823b with SMTP id zf27-20020a0568716a9b00b001b00401823bmr5730309oab.6.1689382451265; Fri, 14 Jul 2023 17:54:11 -0700 (PDT) Date: Sat, 15 Jul 2023 00:53:55 +0000 In-Reply-To: <20230715005405.3689586-1-rananta@google.com> Mime-Version: 1.0 References: <20230715005405.3689586-1-rananta@google.com> X-Mailer: git-send-email 2.41.0.455.g037347b96a-goog Message-ID: <20230715005405.3689586-2-rananta@google.com> Subject: [PATCH v6 01/11] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs() From: Raghavendra Rao Ananta To: Oliver Upton , Marc Zyngier , James Morse , Suzuki K Poulose Cc: Paolo Bonzini , Sean Christopherson , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Colton Lewis , Raghavendra Rao Anata , David Matlack , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Gavin Shan Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: David Matlack Rename kvm_arch_flush_remote_tlb() and the associated macro __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB to kvm_arch_flush_remote_tlbs() and __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS respectively. Making the name plural matches kvm_flush_remote_tlbs() and makes it more clear that this function can affect more than one remote TLB. No functional change intended. Signed-off-by: David Matlack Signed-off-by: Raghavendra Rao Ananta Reviewed-by: Gavin Shan Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Shaoqin Huang --- arch/mips/include/asm/kvm_host.h | 4 ++-- arch/mips/kvm/mips.c | 2 +- arch/x86/include/asm/kvm_host.h | 4 ++-- include/linux/kvm_host.h | 4 ++-- virt/kvm/kvm_main.c | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 04cedf9f8811..9b0ad8f3bf32 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -896,7 +896,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -int kvm_arch_flush_remote_tlb(struct kvm *kvm); +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +int kvm_arch_flush_remote_tlbs(struct kvm *kvm); #endif /* __MIPS_KVM_HOST_H__ */ diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index aa5583a7b05b..4b7bc39a4173 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -981,7 +981,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) } -int kvm_arch_flush_remote_tlb(struct kvm *kvm) +int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { kvm_mips_callbacks->prepare_flush_shadow(kvm); return 1; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 28bd38303d70..a2d3cfc2eb75 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1794,8 +1794,8 @@ static inline struct kvm *kvm_arch_alloc_vm(void) #define __KVM_HAVE_ARCH_VM_FREE void kvm_arch_free_vm(struct kvm *kvm); -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { if (kvm_x86_ops.flush_remote_tlbs && !static_call(kvm_x86_flush_remote_tlbs)(kvm)) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9d3ac7720da9..e3f968b38ae9 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1479,8 +1479,8 @@ static inline void kvm_arch_free_vm(struct kvm *kvm) } #endif -#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) +#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { return -ENOTSUPP; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index dfbaafbe3a00..70e5479797ac 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -361,7 +361,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) * kvm_make_all_cpus_request() reads vcpu->mode. We reuse that * barrier here. */ - if (!kvm_arch_flush_remote_tlb(kvm) + if (!kvm_arch_flush_remote_tlbs(kvm) || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) ++kvm->stat.generic.remote_tlb_flush; }