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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F269EC433FE for ; Wed, 2 Nov 2022 23:42:04 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4N2k233YZsz3f7F for ; Thu, 3 Nov 2022 10:42:03 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20210112 header.b=BFDMuesd; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=flex--seanjc.bounces.google.com (client-ip=2607:f8b0:4864:20::b49; helo=mail-yb1-xb49.google.com; envelope-from=3g_tiywykdl4wierngksskpi.gsqpmry1ttg-hizpmwxw.s3pefw.svk@flex--seanjc.bounces.google.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20210112 header.b=BFDMuesd; dkim-atps=neutral Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) (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 4N2jXY198Mz3cMn for ; Thu, 3 Nov 2022 10:19:57 +1100 (AEDT) Received: by mail-yb1-xb49.google.com with SMTP id l188-20020a2525c5000000b006cbcff0ab41so395236ybl.4 for ; Wed, 02 Nov 2022 16:19:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=+L2f375WnDKSQSrHAcatMrAfJYCgg/AkS64YUNDhysQ=; b=BFDMuesdcf+U8clFlnsdcKMjEl5mRxrD1n9OYPB//rQ3VCubJly/rCCXdf60izOQ91 gfZZvi49gCFrX7m6YJ/L3w1exRMCJjCuSICe4eRMng8+wai+/D16fwsJO3oG2Y3R0FX9 fdeZ05XsyRVj9dD8bnC/3GDU2X+txUX5pHb6PL20RI7N+YCsO7MLcF6r1LMuuK0Pg4nq eE6rPQbqAixH7lbH5M4EJKUgaFlKJVjkGeGOUWsceZR0ohG40mmen016UsHv1w9M69we XfA2eYS+cPWfEbsMnwoPEeVjdG1rAWn3/E5NNWh/oBhlSgRKP2yTVbQeeBXTj7yW7L6G n2LQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+L2f375WnDKSQSrHAcatMrAfJYCgg/AkS64YUNDhysQ=; b=MgLz6/7MgHeNCJojzVn0gBiPLmu2EHy10I5KfJ3FAzsrfVVP9kINP6YlU/o/WQ/VHW vVUJDDAwPoh/HOApyUgcOtr4p7yW5W+4ZYsdoY6R/VtswuD6bZ0jYm5eMo0/4JlNasoX X0XejaYCX3NMyItygDrqJbB8ZT0eEdam0n46AMFdXfC/2rax4cT9qLqJNRSAx3te6tUZ IUe1EGz97Wbvm9J3TcpUPGVfzq8gy0cYhCeNQaybzquoMgEmSHRnhUdzgPHlQU833KNL vPIScZD9Dg92Yu7PXBocJIsgaumkhlzGmYvS6qJlGUrUp68ZwuSs3fmkFyJLhmsygJHF xMTw== X-Gm-Message-State: ACrzQf0ZkpbfmmO3XCohisi12Kz5WQ5LoVvWuWcc5Rgn2e1hHFukhG3u iTn9zVXZ+J+DCKu2kqAEte4H45Yrh48= X-Google-Smtp-Source: AMsMyM4PzbXrj68EN8oL/rsKX+M0E41FPJHAXl8jIfJjWzfdfyN3Z0LYOQj3COZgmfCbUolFuDEOGWUorR8= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:83ca:0:b0:6ca:6c0c:9cb8 with SMTP id v10-20020a2583ca000000b006ca6c0c9cb8mr26416502ybm.7.1667431195114; Wed, 02 Nov 2022 16:19:55 -0700 (PDT) Date: Wed, 2 Nov 2022 23:18:51 +0000 In-Reply-To: <20221102231911.3107438-1-seanjc@google.com> Mime-Version: 1.0 References: <20221102231911.3107438-1-seanjc@google.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog Message-ID: <20221102231911.3107438-25-seanjc@google.com> Subject: [PATCH 24/44] KVM: PPC: Move processor compatibility check to module init From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Huacai Chen , Aleksandar Markovic , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Matthew Rosato , Eric Farman , Sean Christopherson , Vitaly Kuznetsov Content-Type: text/plain; charset="UTF-8" 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: , Reply-To: Sean Christopherson Cc: kvm@vger.kernel.org, David Hildenbrand , Atish Patra , linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-s390@vger.kernel.org, Chao Gao , Suzuki K Poulose , Yuan Yao , kvmarm@lists.linux.dev, Thomas Gleixner , Alexandru Elisei , linux-arm-kernel@lists.infradead.org, Isaku Yamahata , Fabiano Rosas , linux-mips@vger.kernel.org, Oliver Upton , James Morse , kvm-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Move KVM PPC's compatibility checks to their respective module_init() hooks, there's no need to wait until KVM's common compat check, nor is there a need to perform the check on every CPU (provided by common KVM's hook), as the compatibility checks operate on global data. arch/powerpc/include/asm/cputable.h: extern struct cpu_spec *cur_cpu_spec; arch/powerpc/kvm/book3s.c: return 0 arch/powerpc/kvm/e500.c: strcmp(cur_cpu_spec->cpu_name, "e500v2") arch/powerpc/kvm/e500mc.c: strcmp(cur_cpu_spec->cpu_name, "e500mc") strcmp(cur_cpu_spec->cpu_name, "e5500") strcmp(cur_cpu_spec->cpu_name, "e6500") Cc: Fabiano Rosas Cc: Michael Ellerman Signed-off-by: Sean Christopherson --- arch/powerpc/include/asm/kvm_ppc.h | 1 - arch/powerpc/kvm/book3s.c | 10 ---------- arch/powerpc/kvm/e500.c | 4 ++-- arch/powerpc/kvm/e500mc.c | 4 ++++ arch/powerpc/kvm/powerpc.c | 2 +- 5 files changed, 7 insertions(+), 14 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index bfacf12784dd..51a1824b0a16 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -118,7 +118,6 @@ extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, extern int kvmppc_core_vcpu_create(struct kvm_vcpu *vcpu); extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu); extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu); -extern int kvmppc_core_check_processor_compat(void); extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu, struct kvm_translation *tr); diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 6d525285dbe8..87283a0e33d8 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -999,16 +999,6 @@ int kvmppc_h_logical_ci_store(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvmppc_h_logical_ci_store); -int kvmppc_core_check_processor_compat(void) -{ - /* - * We always return 0 for book3s. We check - * for compatibility while loading the HV - * or PR module - */ - return 0; -} - int kvmppc_book3s_hcall_implemented(struct kvm *kvm, unsigned long hcall) { return kvm->arch.kvm_ops->hcall_implemented(hcall); diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index c8b2b4478545..0ea61190ec04 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -314,7 +314,7 @@ static void kvmppc_core_vcpu_put_e500(struct kvm_vcpu *vcpu) kvmppc_booke_vcpu_put(vcpu); } -int kvmppc_core_check_processor_compat(void) +static int kvmppc_e500_check_processor_compat(void) { int r; @@ -507,7 +507,7 @@ static int __init kvmppc_e500_init(void) unsigned long handler_len; unsigned long max_ivor = 0; - r = kvmppc_core_check_processor_compat(); + r = kvmppc_e500_check_processor_compat(); if (r) goto err_out; diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index 57e0ad6a2ca3..795667f7ebf0 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -388,6 +388,10 @@ static int __init kvmppc_e500mc_init(void) { int r; + r = kvmppc_e500mc_check_processor_compat(); + if (r) + return kvmppc_e500mc; + r = kvmppc_booke_init(); if (r) goto err_out; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 74ea5687ecbc..36c27381a769 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -443,7 +443,7 @@ int kvm_arch_hardware_enable(void) int kvm_arch_check_processor_compat(void *opaque) { - return kvmppc_core_check_processor_compat(); + return 0; } int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) -- 2.38.1.431.g37b22c650d-goog