From patchwork Tue Jul 18 23:44:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 13317859 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2692C04FDF for ; Tue, 18 Jul 2023 23:49:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230332AbjGRXtQ (ORCPT ); Tue, 18 Jul 2023 19:49:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230216AbjGRXtO (ORCPT ); Tue, 18 Jul 2023 19:49:14 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8FE8E53 for ; Tue, 18 Jul 2023 16:48:39 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id d9443c01a7336-1b896096287so48928365ad.0 for ; Tue, 18 Jul 2023 16:48:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689724119; x=1692316119; 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=WUfCrqcqzPgtS1UwKv933k1oCAb1hY7UF4nDFC6XfxY=; b=kxtMkPfBzSrDgFwiM6lTbnnV1ORifom1wTCX0JDc2o8v5mvJbgd+eW3FzBholZ+QF/ ZB/tw1vxVtp6lnWfOuYWDBnkA/zcHKeYCxsNI4yLGBDWisxt2V2CGW6+/c9nKHHqWO0Z pwjXyxzIVoB/8QMRAPYJ2ESVagoDqveLkahmzeblrfSHi+C7b/LSvjVeGXXFBmG27xpW 46+iHLUL/iDL1W1dNobEnmnSwB6oZXJ54GsRbQDHUEuzlNSG0pgY2rC5/BfRYynN9jnl 9GH+3FZfZFTDU0qQSnRrsV2OdAHlQuwXUaGl7W047p5QIleFQWR+9FWJ+QSsSRbSbDcH Ypxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689724119; x=1692316119; 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=WUfCrqcqzPgtS1UwKv933k1oCAb1hY7UF4nDFC6XfxY=; b=LZCrTW9zP1DW2o5J9jbPJ+3SI06wSKnKV0SQJ60IN2cqMxTEHYGxHUxSMZpqa4fOTx 2r1lu2XMnds8civQLrboWsHc2mh9uAaLpqinh031njz3c341SHDI41fcnIhdRRsWlWbe k/Xer5xiv/asHRt0U/alLIfvYWcHU0rNIOzW6ExQatlRGZooVgczUhx8+ZJXEOohPia5 dtIJI7gPc/RRAzh4fsB14C6rv2HfzTz2nyY0drsMMb7ZNa1i/dd9EnhVjEWwMvZM5ctC 61NoatnAKGk19vZgbkxpWMeMNPJC2nlo2l/eguHX5AGRU1lyQMy6nqtPyO7/gvTDWb22 SLuw== X-Gm-Message-State: ABy/qLa/xeRqs3Q5lxvBn3nanWil9WeHFP7SZBj4joOM1YqSUwD9x+aX g+n2DLCm6Rom++HTc9sgedcyo/Gs/Vk= X-Google-Smtp-Source: APBJJlEMcu/rfMRBwbQ2zq+ymY4hD2c5F3AYtj0FSwyildZO2Oo0gOzBKGYbg9jbJCtpjTvhx4PmM9/8MPA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:902:f546:b0:1b8:a552:c8c9 with SMTP id h6-20020a170902f54600b001b8a552c8c9mr7279plf.13.1689724119324; Tue, 18 Jul 2023 16:48:39 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 18 Jul 2023 16:44:47 -0700 In-Reply-To: <20230718234512.1690985-1-seanjc@google.com> Mime-Version: 1.0 References: <20230718234512.1690985-1-seanjc@google.com> X-Mailer: git-send-email 2.41.0.255.g8b1d071c50-goog Message-ID: <20230718234512.1690985-5-seanjc@google.com> Subject: [RFC PATCH v11 04/29] KVM: PPC: Drop dead code related to KVM_ARCH_WANT_MMU_NOTIFIER From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Huacai Chen , Michael Ellerman , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Sean Christopherson , "Matthew Wilcox (Oracle)" , Andrew Morton , Paul Moore , James Morris , "Serge E. Hallyn" Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Chao Peng , Fuad Tabba , Jarkko Sakkinen , Yu Zhang , Vishal Annapurve , Ackerley Tng , Maciej Szmigiero , Vlastimil Babka , David Hildenbrand , Quentin Perret , Michael Roth , Wang , Liam Merwick , Isaku Yamahata , "Kirill A . Shutemov" Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Signed-off-by: Sean Christopherson --- arch/powerpc/kvm/powerpc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 7197c8256668..5cf9e5e3112a 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -634,10 +634,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_SYNC_MMU: #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE r = hv_enabled; -#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER) - r = 1; #else - r = 0; +#ifndef KVM_ARCH_WANT_MMU_NOTIFIER + BUILD_BUG(); +#endif + r = 1; #endif break; #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE