From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C3E1C432BE for ; Tue, 27 Jul 2021 10:33:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F6EA60FA0 for ; Tue, 27 Jul 2021 10:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236303AbhG0Kc6 (ORCPT ); Tue, 27 Jul 2021 06:32:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231745AbhG0Kc4 (ORCPT ); Tue, 27 Jul 2021 06:32:56 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B566C061757; Tue, 27 Jul 2021 03:32:57 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id da26so14702584edb.1; Tue, 27 Jul 2021 03:32:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jnFmiiCARwRXURV87SUoI4OAHXmTW3lr0hJaEC8D8Qo=; b=t5/8OCiV65LjtymFAaIrJfaSLZnhAwBIp4orIX/0Z1v2iy1a6amOxkKFI69uy0S14q VzeM8IvLh4y36jG3aVxfAZs0TMweAVVWwlFoLTPJPmIkwmD3FBxA03ABTrmZUU1gM1fR fZ1Viz0+VHQT6fnAzY6kr2TTNtJ3FoWLklbrOd3X5kSn49K/+E3EgRLkwos/ewcrJhA+ KQkiS+2K+2ALVEnQe+9ARSCiIAbjCKtg41e6Wjz1AKmDvAy/ZhssNgyfC2HSpxX5OdeY gNoOyPnc8tm9+4qU59BAE2P8vp0JjeVpjLEMIYbhJZ6XYS5Cn8jghBtzA5TArnoUCGRQ DlpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=jnFmiiCARwRXURV87SUoI4OAHXmTW3lr0hJaEC8D8Qo=; b=lOBfW6S/QVd/2Eecv2zKZ6xDMYBXzmgGpivMzg5of/TWGYbCkP0BMaBUup4wN+5HJ2 TciZBr35PFQor1S3FAPkIE4QzoQ4aEzQgw2pSNgcB2TIBSaDWNgbM5FH5WpUth/T9XGr dQVpgD1BVVEk2IzeZebnMBgTF+GupzI9HCpbEO6JreMoUacx2blA65Int0uC6lZU6iHf nT9rIBBvwpH/YcowYGKyMKjEFb3JMmRLoNbHQUXh4eYRNHdjHSMIXXptdxatMfqkPXYl A1pkQO9iw/29yS9CD/5rWylqlUiWCDBNTQyXbdpS7AsYfYo8YUkZ9zjdvXo/wFeB3rua Ucwg== X-Gm-Message-State: AOAM532VqHz45NiFAaGaUdC7yhyCtrMHhcDGYzxmN2YhmLE8AfAQYVrG 5+4yigTGhXJDiSz2LLL8sRv114VbC6s= X-Google-Smtp-Source: ABdhPJwVzbWCsmg6tp3vU13MkpOZeZpi6hJPrU/wtF3E5a4blQzAdpGohkBz9ys4/iB3AFYxRb59+A== X-Received: by 2002:a05:6402:3489:: with SMTP id v9mr27339068edc.124.1627381975605; Tue, 27 Jul 2021 03:32:55 -0700 (PDT) Received: from avogadro.. (93-33-132-114.ip44.fastwebnet.it. [93.33.132.114]) by smtp.gmail.com with ESMTPSA id la23sm742030ejc.63.2021.07.27.03.32.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 03:32:54 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: maz@kernel.org, kvmarm@lists.cs.columbia.edu Subject: [PATCH] KVM: ARM: count remote TLB flushes Date: Tue, 27 Jul 2021 12:32:51 +0200 Message-Id: <20210727103251.16561-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KVM/ARM has an architecture-specific implementation of kvm_flush_remote_tlbs; however, unlike the generic one, it does not count the flushes in kvm->stat.remote_tlb_flush, so that it inexorably remained stuck to zero. Signed-off-by: Paolo Bonzini --- arch/arm64/kvm/mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index c10207fed2f3..6cf16b43bfcc 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -81,6 +81,7 @@ static bool memslot_is_logging(struct kvm_memory_slot *memslot) void kvm_flush_remote_tlbs(struct kvm *kvm) { kvm_call_hyp(__kvm_tlb_flush_vmid, &kvm->arch.mmu); + ++kvm->stat.generic.remote_tlb_flush; } static bool kvm_is_device_pfn(unsigned long pfn) -- 2.31.1