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=-13.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 65571C433B4 for ; Mon, 5 Apr 2021 01:34:57 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DFA7E61158 for ; Mon, 5 Apr 2021 01:34:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DFA7E61158 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FDCrb47wpz3gh0 for ; Mon, 5 Apr 2021 11:34:55 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=NWlVgz69; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1032; helo=mail-pj1-x1032.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=NWlVgz69; dkim-atps=neutral Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FDCYd23zpz30L2 for ; Mon, 5 Apr 2021 11:21:56 +1000 (AEST) Received: by mail-pj1-x1032.google.com with SMTP id ot17-20020a17090b3b51b0290109c9ac3c34so7073164pjb.4 for ; Sun, 04 Apr 2021 18:21:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=S1/wLv6JH1sf1fLvgZJI8q0x4TVI1vTVyQKpt0OY8xU=; b=NWlVgz69yj6AWGgJ6H1qkeg0I17SG6FhY6bKCuPGszzvL8bcvL/M5+2KtsT6lcNMO+ H0it5QvZ0jh8d4zObf/uupQXBA5VK+LR/dBQO9lloi3fXMdVvpBRQJY3aumB6zYM9rpn /86H4PlqdyAlIWHKGnhGQMMHM0NsdJIDjOYqPsiegRzoIS4Gh3NoMhkjB010vjXdVGqF HiCxuw6IJEWhTDZV+rxCGC5FedTtKu34W8IKLtGFR0b83jl6eILYquxil6JFJLV8/obd etuJABWBuOJGTGoKp1rHhrR/Sld9tmTzx4CkvA0RqTsT4eShLtpxO9pnL/LWEsMq2W9t AiAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=S1/wLv6JH1sf1fLvgZJI8q0x4TVI1vTVyQKpt0OY8xU=; b=DZdR1YsPlHYlfd7G8CEcoa8BPAn4Fo1QWVVMXwmxJzKXe08k3f/QcfuO+/9jSn2BEF a2ENhm+CQBx8f3l2fyGk4RtCMTQWeSQlHGsvHJm2eVdzy+VE1QWv8dQHJE+fj5Qjmoz8 g9Zn9P5S8X5H2ltSJ72hYS5x7wqumACJWNmEuSPRKfe5C8LIGmJq4ye6ExRA72NVpxnL lmThYb2ASyOGG0z4EO7ads3IRETjgdiLInMbqIcZivW240UkVoFlEQsKRpgBMYdwipqE vyuCE9Bd1adgGE5/vYif3wHD3bQuokNUqgY4SddmPu66QJd0TVkW7WPEZP4qLCDQ7W3d a6oQ== X-Gm-Message-State: AOAM530T0p4YkH2iG5T5DbWjoopnCf1i01+LGP3b2DYmpttB3cYOi/Rc uO4kJ5KfVxPie0AXJ2GTD+o= X-Google-Smtp-Source: ABdhPJxkEQxlb7eZ2ibgPEgugM6FftrbQed36RZUUwugq3af2SEZ/9DUcu58amm9JQIaj8nFxO/BVw== X-Received: by 2002:a17:902:704b:b029:e9:b5e:5333 with SMTP id h11-20020a170902704bb02900e90b5e5333mr2890781plt.78.1617585715349; Sun, 04 Apr 2021 18:21:55 -0700 (PDT) Received: from bobo.ibm.com ([1.132.215.134]) by smtp.gmail.com with ESMTPSA id e3sm14062536pfm.43.2021.04.04.18.21.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Apr 2021 18:21:55 -0700 (PDT) From: Nicholas Piggin To: kvm-ppc@vger.kernel.org Subject: [PATCH v6 33/48] KVM: PPC: Book3S HV P9: Improve exit timing accounting coverage Date: Mon, 5 Apr 2021 11:19:33 +1000 Message-Id: <20210405011948.675354-34-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210405011948.675354-1-npiggin@gmail.com> References: <20210405011948.675354-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The C conversion caused exit timing to become a bit cramped. Expand it to cover more of the entry and exit code. Signed-off-by: Nicholas Piggin --- arch/powerpc/kvm/book3s_hv_interrupt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_interrupt.c b/arch/powerpc/kvm/book3s_hv_interrupt.c index e93d2a6456ff..44c77f907f91 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupt.c +++ b/arch/powerpc/kvm/book3s_hv_interrupt.c @@ -154,6 +154,8 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc if (hdec < 0) return BOOK3S_INTERRUPT_HV_DECREMENTER; + start_timing(vcpu, &vcpu->arch.rm_entry); + if (vc->tb_offset) { u64 new_tb = tb + vc->tb_offset; mtspr(SPRN_TBU40, new_tb); @@ -204,8 +206,6 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc */ mtspr(SPRN_HDEC, hdec); - start_timing(vcpu, &vcpu->arch.rm_entry); - vcpu->arch.ceded = 0; WARN_ON_ONCE(vcpu->arch.shregs.msr & MSR_HV); @@ -349,8 +349,6 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc accumulate_time(vcpu, &vcpu->arch.rm_exit); - end_timing(vcpu); - /* Advance host PURR/SPURR by the amount used by guest */ purr = mfspr(SPRN_PURR); spurr = mfspr(SPRN_SPURR); @@ -415,6 +413,8 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc switch_mmu_to_host_radix(kvm, host_pidr); + end_timing(vcpu); + return trap; } EXPORT_SYMBOL_GPL(kvmhv_vcpu_entry_p9); -- 2.23.0