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 27C74C433DB for ; Tue, 23 Mar 2021 01:17:50 +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 88EA061934 for ; Tue, 23 Mar 2021 01:17:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 88EA061934 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 4F4D4r1kQKz3gMN for ; Tue, 23 Mar 2021 12:17:48 +1100 (AEDT) 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=HuOsbnzo; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::42a; helo=mail-pf1-x42a.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=HuOsbnzo; dkim-atps=neutral Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) (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 4F4Cny6fBxz3c50 for ; Tue, 23 Mar 2021 12:04:54 +1100 (AEDT) Received: by mail-pf1-x42a.google.com with SMTP id h3so12525359pfr.12 for ; Mon, 22 Mar 2021 18:04:54 -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=6Bs7XHUMbIVuw7QkJEX6gwpyVXR4AO2//Bxh2Wns9Vc=; b=HuOsbnzoWSo5wPcaNBAbd+S9V/AFZxTBfRCDdRl4NHB7haqnRXMZaQG/K5jaj/mTcN SNWFCa7wjXWXp3DTyRMrC0cdsQWPduJbtDImFxC+5RXR1jTM3kXEHVRV+jfUq50M9zfW THWSbSeSCuOXbq4ANET5KlfbSODBAok8bLrlGWPoOxBsaFM6qX4OhQbixjaBm0Na+izH 1lbxKVzc9IE3OyI9DLRfDOKaVQAmzURLpXriqj2vBkrgqtjW5BksVbPSsTv3PEJ7UAR9 XTYIivrYDYZxryHUUFAg9jkkeXqj/9ig2sOaw7T/RbhdKQe3+uWYoJ6kuWvVFt86ergV K2/w== 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=6Bs7XHUMbIVuw7QkJEX6gwpyVXR4AO2//Bxh2Wns9Vc=; b=PuDYUVip5zHKNijSQtKrHsSp4mKVZA4LGm0EXjPSntLThIDIGJM8C4xjBH/LAL5jJs GZdpDmxWlYaFuoVcK+fskqsU1M1OR6jjMloq2elVAwR8cGIc4GwxpzEzHavm/iTSI9lc wU59oT6G+QXYRAiVkwig7CoBA1TDnEFuu+z/lxK/KF3KduBZim4EyqNMtiRPi+yq4lf5 ziUDBd9HtZRk6TApfnyoCmAh4GQldmvyoMW/iI5G8FYr8mtE4EJ68DKQ+r6WXl4EuM4p yD04OUw+u9c9rdK0DYwLyEf9TUJpgusiuW9vU/xr4fztjupFTeQ6ryvWIgXQoLx083sx NPdA== X-Gm-Message-State: AOAM530Aiy7QfdlyJhC7tU3hAKEsV+qlPdPWymzTAHAngFkUEmLnS2Ew OZpnQCSAJJZaZeYcTsboa18= X-Google-Smtp-Source: ABdhPJy9ia9LiBiNlH+5PtjdyP/GaYHOKYdX4afOPn6Zs/CGfDOOVAW6b2TeBm2rMl/CoOxQDmQlLw== X-Received: by 2002:a62:2a8b:0:b029:21c:3016:3a9f with SMTP id q133-20020a622a8b0000b029021c30163a9fmr1565590pfq.38.1616461492867; Mon, 22 Mar 2021 18:04:52 -0700 (PDT) Received: from bobo.ibm.com ([58.84.78.96]) by smtp.gmail.com with ESMTPSA id e7sm14491894pfc.88.2021.03.22.18.04.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Mar 2021 18:04:51 -0700 (PDT) From: Nicholas Piggin To: kvm-ppc@vger.kernel.org Subject: [PATCH v4 32/46] KVM: PPC: Book3S HV P9: Improve exit timing accounting coverage Date: Tue, 23 Mar 2021 11:02:51 +1000 Message-Id: <20210323010305.1045293-33-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210323010305.1045293-1-npiggin@gmail.com> References: <20210323010305.1045293-1-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 a7e5628ac36c..4058a325a7f0 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupt.c +++ b/arch/powerpc/kvm/book3s_hv_interrupt.c @@ -159,6 +159,8 @@ 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); @@ -209,8 +211,6 @@ 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); @@ -354,8 +354,6 @@ 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); @@ -420,6 +418,8 @@ 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