From patchwork Mon Oct 4 16:00:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 1536207 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=IqCkpfAb; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4HNQSq0DPfz9t6h for ; Tue, 5 Oct 2021 03:01:47 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236240AbhJDQDf (ORCPT ); Mon, 4 Oct 2021 12:03:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236129AbhJDQDf (ORCPT ); Mon, 4 Oct 2021 12:03:35 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22868C061745 for ; Mon, 4 Oct 2021 09:01:46 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id t11so185356plq.11 for ; Mon, 04 Oct 2021 09:01:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=BSpAfqkgDPepZQ3GfNve5U7U5lObdzccs8al+a/vxj0=; b=IqCkpfAb746JTjXXOlrU9/9XyZ4v5/VseeUrceuibJEaNgm38bLE/QJzcDgX+Z+vpW EfsuTtW6qMhx/+zfMB3Dn7+FDGPe8CxYFVzcppylROPglw322XQAmYHc+ScHArFgFU3F Ve5kOplnwKdqR/YxFuP4jfFddEuZqKzM62+iXLAhSQOZaZvrxKV04Ji16tO0TSUT8f50 1UjjSTBaA54EI2pOQii8/Coo/BAltJlEi0UdK++n9oKTXfcrFuTGp2wBtaiAlSPsHjx9 duxaxbtVtxD4ngVn/cSB5trDFNkvlTp4J2EOMXJFEvVNMDfjke1w8h5Cj8Bb/Ed4pJ7I c+fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=BSpAfqkgDPepZQ3GfNve5U7U5lObdzccs8al+a/vxj0=; b=x/vnuBwhyNEhcb7VMk7RMxu/Af9hn7aCf0IJFeIHuz6oz5PijfjGDn4rNpY1u3J8O0 fVJFUQpu2x91Goahe/s6UG96lpc+DYa8dpri6IpEK5XgV39lxM6q5+bMx5bN0gnoxmT4 2aBA1cUa8kWgCBdFzbL3EttPkXRdwZgqdJn7TOvOD0k3NPDB6v6/rM/LiyLCDr9u5r0f g+Y3dP+6uVwYlLAeG7IPxoqjRE/jzUMDVg+HUCNN0pPQHdmWZvVmgCguAyM++XARH47u I+KowqhTwkfLqzNkJeJjN+VMypYyRjMUVsQpnwmUEZimXZEnJrPsq8zL85TqExM038Uk IX6g== X-Gm-Message-State: AOAM532zkvUrV5B3IDtzmH4d+V/LEuqz/dQM0K5vfEgbT4dW3rq8gsYJ wAXWNoAiARVt8ux/923BqCYB/fX+ZGw= X-Google-Smtp-Source: ABdhPJy7cR2TZgBjVDra3SULaeyL51sytbKil2sKTuW6jFcSH9HYTe/YDMGM7AUNc0n6mmrOs2JYeA== X-Received: by 2002:a17:903:2283:b0:13e:acd8:86c2 with SMTP id b3-20020a170903228300b0013eacd886c2mr427722plh.78.1633363305523; Mon, 04 Oct 2021 09:01:45 -0700 (PDT) Received: from bobo.ozlabs.ibm.com (115-64-153-41.tpgi.com.au. [115.64.153.41]) by smtp.gmail.com with ESMTPSA id 130sm15557223pfz.77.2021.10.04.09.01.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 09:01:45 -0700 (PDT) From: Nicholas Piggin To: kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Nicholas Piggin Subject: [PATCH v3 18/52] KVM: PPC: Book3S HV P9: Move SPRG restore to restore_p9_host_os_sprs Date: Tue, 5 Oct 2021 02:00:15 +1000 Message-Id: <20211004160049.1338837-19-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20211004160049.1338837-1-npiggin@gmail.com> References: <20211004160049.1338837-1-npiggin@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Move the SPR update into its relevant helper function. This will help with SPR scheduling improvements in later changes. Signed-off-by: Nicholas Piggin Reviewed-by: Fabiano Rosas --- arch/powerpc/kvm/book3s_hv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 1c5b81bd02c1..fca89ed2244f 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4093,6 +4093,8 @@ static void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs) static void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs) { + mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); + mtspr(SPRN_PSPB, 0); mtspr(SPRN_UAMOR, 0); @@ -4293,8 +4295,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, timer_rearm_host_dec(tb); - mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); - kvmppc_subcore_exit_guest(); return trap;