From patchwork Tue Aug 8 23:13:17 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: 13347183 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 8D678C41513 for ; Tue, 8 Aug 2023 23:13:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231713AbjHHXNi (ORCPT ); Tue, 8 Aug 2023 19:13:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231165AbjHHXNi (ORCPT ); Tue, 8 Aug 2023 19:13:38 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCC6019AD for ; Tue, 8 Aug 2023 16:13:36 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d4cbf6b593bso4056260276.0 for ; Tue, 08 Aug 2023 16:13:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1691536416; x=1692141216; h=content-transfer-encoding:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:from:to:cc:subject:date:message-id :reply-to; bh=72O4JjoYZq3iLcv3bAZ3OmpFstwA2kMJRyaM4BuQEBE=; b=R5I5Z7dKsQM2VswHYUX2hskpPb2N83EoKFoKuLJn/BC4sXMaBnhcj99WCsAp5QKKyy 7u+T5Ec3pR/25gv1e/zbEjRKzrqzDDJBAemw6R3xQC7KrPp7aJZJM4G22QpoAC0zp5kH UMXBmcZb9hsdnj+lbnSFw34hakifAJ7K53PQunN9SGCFq6Ui1dwSKqTlD9zEHfhXeHeP 0bj76PocHyecHuyM+Ns81rvZC/L72J5BAdxXht2Ch/UnatoKkEOwofuDLlnsgpQl5qOl rYtHj2q1IH0XKliwZJi6cxMJX+B5xoJtpcJNKcE7br9I1vSodIwSHZA3qcZXR3rrOTTD QFEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691536416; x=1692141216; h=content-transfer-encoding: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=72O4JjoYZq3iLcv3bAZ3OmpFstwA2kMJRyaM4BuQEBE=; b=F9Jrigh0e2qhmcEUdW6gu5nk6cgOFJpTbtpFx+9CUtJmjgDx5ZibgYArYUoGopA+Fs O5VQIgIbI89myUauipqlK85B/4/YmvIIxFvN+bI80DdFP+7h+DpZEDGxq+tt5YlrpHGc Tmm19YynBsiLhA2OBPvLuNUsXg2LpSgQGFgyEZ7m+4s56obAG1dQRI14YF1oz/BQcSOj ce5LdjbrfzpgUPemvX5oGG+iqrP3yb+z3Fwn+SV/dqBGhz07TFirYr50ZZWsMEeoKSDI 5G8T1UemMbNgrDS7zNhlw4RQyJuKk8JPZRmxL9ON4YN/J/EouG4t2IyZ2Te4/ockeYzy +lag== X-Gm-Message-State: AOJu0YzoaV3KBTUfq6P4EIRx0mXELjZfFuZ2900LHOVjH1b5rBQnLdZL +72tnLhKVZG0AWcurXVrztY8pnE8LhR9 X-Google-Smtp-Source: AGHT+IE7fclKfZoTRFj3+JRtM/8w0lKPDLMergkPyAZ7GDrfovjgxJMs9LxY7VD7kflVGqJRYcLb7SZ/s4nQ X-Received: from rananta-linux.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:22b5]) (user=rananta job=sendgmr) by 2002:a25:b94:0:b0:d4e:e2ae:e0c8 with SMTP id 142-20020a250b94000000b00d4ee2aee0c8mr21899ybl.1.1691536416062; Tue, 08 Aug 2023 16:13:36 -0700 (PDT) Date: Tue, 8 Aug 2023 23:13:17 +0000 In-Reply-To: <20230808231330.3855936-1-rananta@google.com> Mime-Version: 1.0 References: <20230808231330.3855936-1-rananta@google.com> X-Mailer: git-send-email 2.41.0.640.ga95def55d0-goog Message-ID: <20230808231330.3855936-2-rananta@google.com> Subject: [PATCH v8 01/14] 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 , Reiji Watanabe , Colton Lewis , Raghavendra Rao Anata , David Matlack , Fuad Tabba , 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 , " =?utf-8?q?Philippe_Ma?= =?utf-8?q?thieu-Daud=C3=A9?= " , Shaoqin Huang 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 04cedf9f88115..9b0ad8f3bf327 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 aa5583a7b05be..4b7bc39a41736 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 28bd38303d704..a2d3cfc2eb75c 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 9d3ac7720da9f..e3f968b38ae97 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 dfbaafbe3a009..70e5479797ac3 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; }