From patchwork Mon Mar 6 19:01:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Matlack X-Patchwork-Id: 13162205 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 DFFFFC6FD1A for ; Mon, 6 Mar 2023 19:02:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229944AbjCFTC1 (ORCPT ); Mon, 6 Mar 2023 14:02:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229873AbjCFTCZ (ORCPT ); Mon, 6 Mar 2023 14:02:25 -0500 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E14C834C37 for ; Mon, 6 Mar 2023 11:02:03 -0800 (PST) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-536bf649e70so111624267b3.0 for ; Mon, 06 Mar 2023 11:02:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678129323; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=YtNaR+Rua5pfZ3i1GgJ4+hfSm+WXWk7IiLK4Wtb8+uM=; b=A42BX/LP2I7Yrldf83rjJjVVWP9EY7MIToR2w3fKfHNuwlJilnDlJG9Ga110/MBKfg bANY0GGZpHkSiBa5gtT3zYMm3kqQ6eoCd9XQbU1Nw97OaGmCCVTg5gCJq6SSBEjZs5D2 WXuRcS2VBsFJxrimrp+JQlNpq+OFmS1Ohh71sBzmcc1MXrTW549F5OJ3aZCaRVfQfJrL Xl5df+WIcc/z0GU55ilZ3Am2ARcrEJpAjke5BrZTBJ9d+m4fByyPMgXYOtOtNovF1gQu M0K+F9OgIzJN5j3FpXghI6sTRl0hwMpb0KkZDbWtWBZRE7ORKqG1rS1sA7NOJROAsX6B zrWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678129323; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=YtNaR+Rua5pfZ3i1GgJ4+hfSm+WXWk7IiLK4Wtb8+uM=; b=2fkLFpyypT6f1XrO0GQ6aSe9p8LSQq5yGrPp5S0H0ZEmcNb6KSG5KYPGK3jtBjo+1T P1rPf6hGBLoKYr9Fwhtnc6UyOAeyXqNDVPtU2LwcJZlEHwLjjlXKGlXxcTkH37iurBwu ufVHyhd3oXKupmGU6YlHzjjztGnd4ctN9OySfeYA0xGiBntKT2ykujmF5yOQtPx0rf9v Luec7LkA8NSePiFXNSNLWMXMyIhbILUmAONCybn/FBr3Vr6FYLMy363LW0l1D0BWmp2L x+vSoijjbAJKhVwLPImp337yX31pXrSwDCzWIN+4UYEfAJUGwsMSjYmlqMLsQLdUqsHB RseA== X-Gm-Message-State: AO0yUKXNsSVvX9QmhXUjiJVUIOwDQv+wISTa3OSCrJrq8qN+GH/kvUT1 4FDwBCD0QWmus7/u2zc3vg0NJet8A/Hwcw== X-Google-Smtp-Source: AK7set90Igml/rc2W0Ya1hk1eHjjJqlvHrIGVSaZmJTzp6vbZseA2XP1DWQDVsfl/YAYC2c0ne8CFj1tJ7LMiQ== X-Received: from dmatlack-n2d-128.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:1309]) (user=dmatlack job=sendgmr) by 2002:a81:ad0d:0:b0:52e:b635:5496 with SMTP id l13-20020a81ad0d000000b0052eb6355496mr7126400ywh.2.1678129323101; Mon, 06 Mar 2023 11:02:03 -0800 (PST) Date: Mon, 6 Mar 2023 11:01:54 -0800 In-Reply-To: <20230306190156.434452-1-dmatlack@google.com> Mime-Version: 1.0 References: <20230306190156.434452-1-dmatlack@google.com> X-Mailer: git-send-email 2.40.0.rc0.216.gc4246ad0f0-goog Message-ID: <20230306190156.434452-3-dmatlack@google.com> Subject: [PATCH v2 2/4] KVM: Refactor designated initializer macros for struct _kvm_stats_desc From: David Matlack To: Paolo Bonzini Cc: Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Huacai Chen , Aleksandar Markovic , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , David Hildenbrand , Sean Christopherson , Michael Ellerman , Eric Farman , " =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= " , David Matlack , Sathvika Vasireddy , Nicholas Piggin , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Refactor the macros that generate struct _kvm_stats_desc designated initializers to cut down on duplication. No functional change intended. Signed-off-by: David Matlack --- include/linux/kvm_host.h | 75 +++++++++++++++++++--------------------- 1 file changed, 35 insertions(+), 40 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 02b1151c2753..6673ae757c4e 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1744,47 +1744,42 @@ struct _kvm_stats_desc { char name[KVM_STATS_NAME_SIZE]; }; -#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz) \ - .flags = type | unit | base | \ - BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) | \ - BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) | \ - BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK), \ - .exponent = exp, \ - .size = sz, \ - .bucket_size = bsz - -#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ +/* Generates a designated initializer list for a struct _kvm_stats_desc. */ +#define _KVM_STATS_DESC(_struct, _field, _name, _type, _unit, _base, \ + _exponent, _size, _bucket_size) \ +{ \ { \ - { \ - STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ - .offset = offsetof(struct kvm_vm_stat, generic.stat) \ - }, \ - .name = #stat, \ - } -#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ - { \ - { \ - STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ - .offset = offsetof(struct kvm_vcpu_stat, generic.stat) \ - }, \ - .name = #stat, \ - } -#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ - { \ - { \ - STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ - .offset = offsetof(struct kvm_vm_stat, stat) \ - }, \ - .name = #stat, \ - } -#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ - { \ - { \ - STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ - .offset = offsetof(struct kvm_vcpu_stat, stat) \ - }, \ - .name = #stat, \ - } + .flags = _type | _unit | _base | \ + BUILD_BUG_ON_ZERO(_type & ~KVM_STATS_TYPE_MASK) | \ + BUILD_BUG_ON_ZERO(_unit & ~KVM_STATS_UNIT_MASK) | \ + BUILD_BUG_ON_ZERO(_base & ~KVM_STATS_BASE_MASK), \ + .exponent = _exponent, \ + .size = _size, \ + .bucket_size = _bucket_size, \ + .offset = offsetof(_struct, _field), \ + }, \ + .name = _name, \ +} + +#define VM_GENERIC_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \ + _bucket_size) \ + _KVM_STATS_DESC(struct kvm_vm_stat, generic._stat, #_stat, _type, \ + _unit, _base, _exponent, _size, _bucket_size) + +#define VCPU_GENERIC_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \ + _bucket_size) \ + _KVM_STATS_DESC(struct kvm_vcpu_stat, generic._stat, #_stat, _type, \ + _unit, _base, _exponent, _size, _bucket_size) + +#define VM_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \ + _bucket_size) \ + _KVM_STATS_DESC(struct kvm_vm_stat, _stat, #_stat, _type, _unit, \ + _base, _exponent, _size, _bucket_size) + +#define VCPU_STATS_DESC(_stat, _type, _unit, _base, _exponent, _size, \ + _bucket_size) \ + _KVM_STATS_DESC(struct kvm_vcpu_stat, _stat, #_stat, _type, _unit, \ + _base, _exponent, _size, _bucket_size) /* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */ #define STATS_DESC(SCOPE, stat, type, unit, base, exp, sz, bsz) \