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: 122302 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp2084751vqt; Tue, 18 Jul 2023 16:50:51 -0700 (PDT) X-Google-Smtp-Source: APBJJlGWSDmyS/BjTYOQC3TpoUcnvsyq12s7FteRJto8wOkBSLafUlBQ+rnI72TRsx4R8P/FFa1j X-Received: by 2002:a05:6a00:1a01:b0:668:806d:c2d6 with SMTP id g1-20020a056a001a0100b00668806dc2d6mr771719pfv.12.1689724251316; Tue, 18 Jul 2023 16:50:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689724251; cv=none; d=google.com; s=arc-20160816; b=k8ucm5pWYmrqMeYdQTwbpPMiyExEnzqT6rX90pgnsFxs1ktsRw2CjID8YrFML4iPwk RWhZWwbHwO3DLlO1hlgyQQNdQUaSMPlI5NE3CIcOVyBfU6d/DqzL6EOiZOxah1KXEzET EKkj6JVpeZzFZ5biNvcGh3KedFMR42EWqNV4vssvfKoENStqOzno8XrsgDFYPxiW4UjS 5GWuWIh+id5cyHTDhL5qudBxzniwPcf47iOcrzX/TMhkKWxH4N3syJCYOSVNnqen21SD P7teP78OcHUAF1t3BaujY3zGx/L617DWuAK9KDCnB8obtsng4OddFy1/VWdcvs+WQzlM Wdjg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:reply-to:dkim-signature; bh=WUfCrqcqzPgtS1UwKv933k1oCAb1hY7UF4nDFC6XfxY=; fh=D6d5aNryYQiYyjenfSFWOT3594jRd4xJmyqVXmIxeQo=; b=SX9RuXtol6HFnlRGFhs3Bd/uMXbiom1Z8cYRPU25+yoyuoZ7D9zYp35xfdddRxYlMa qFXw0Qcs0zSKFGUcZpFx634WFMGB4nVBcp9JG7ALBxuLhtWrwvizDYBISnMroSu6mD3t kMET5u5pgyd4M2SWa6E8XHDylfyotfTbji9ewqEDmy5T8skXRjBPPpdWLPCGiAnoRd5O dJmsx+QosQihgGfNThaXCQSfAqVvKqOVZOfFC/aYzjRXnxnXcqkDRNGZ0wVll1k/v+7z HrACFaRARuYv8Xdq/Qs66aj6zQel9r5OL3DJV9HAr+7ClSRkCnVO4NgcBE9XpMUXjiYE LzUg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20221208 header.b=kxtMkPfB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r29-20020a63205d000000b00563519244dbsi301834pgm.169.2023.07.18.16.50.38; Tue, 18 Jul 2023 16:50:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20221208 header.b=kxtMkPfB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230417AbjGRXtT (ORCPT + 99 others); Tue, 18 Jul 2023 19:49:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230100AbjGRXtK (ORCPT ); Tue, 18 Jul 2023 19:49:10 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA02FE56 for ; Tue, 18 Jul 2023 16:48:39 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id d9443c01a7336-1b8b310553bso48761945ad.3 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=gaSA/r1wifqSVCGP1eQfWzti9/pLVgqrFpQ189/BOjo7dLm3hEnkghNFIIhixZ/tBL ipRHXVnCQefR3G3AYgQ+9uUiYYbLd7/drN+7JaFTzD0lIc9g4LeXDTyYdEtPxhkBgWWE CU3IRu03DSbu60cep8J69zuwpimc1IGy/1yAUqss9ZmfYamNsT555kox3EBTifh2dDmy TI438jtdPofjtO4v+AZ93UJq1pJ9iQKY7uYlbQVGhFxMU51K3/AzWUfIq94YLAFP+d2L gt1WxB3OtwOaHTfzxBCULRLwQwyF/sk9iQ1qe8lyUGpRXxFaB2CUPBNvLlme6DC4rPGd ZzoQ== X-Gm-Message-State: ABy/qLYPI7XZdXe+43VEmdK9BDfnk6FPafqPOsaGBLwTAGorrrFy++ss 46lROB08K4bqkjKp2H+A8l9xe01Dcas= 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" X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771804296881708308 X-GMAIL-MSGID: 1771804296881708308 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