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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36D5DC433EF for ; Fri, 10 Jun 2022 17:12:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350172AbiFJRL6 (ORCPT ); Fri, 10 Jun 2022 13:11:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350154AbiFJRL4 (ORCPT ); Fri, 10 Jun 2022 13:11:56 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA63B1FD9D8 for ; Fri, 10 Jun 2022 10:11:53 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id e18-20020a656492000000b003fa4033f9a7so13593032pgv.17 for ; Fri, 10 Jun 2022 10:11:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=MZAi3yK1u5t2/PPPhYZ7bws8IBCCqfLr/RVHEehBKTk=; b=KGIj83RcQNuoV7xMIJ30k0ClhjI5cri5X7qxh3md4ad+epDgKwCS76PFTeS1CfKY8Q jwJr4iqPsAmfHLdhO4QrzFOo2JfnIPPTlp5McI2rin4nRjOUYGCDPyG02K3xWytorMKj 0OEOaRRztwkgb1wxwFZ65SSAezvgDrA+TBNr6U8X4pbKxcBwAePoXtZnGyUDV5z35Ifa NFE+ptvXcnVKpsKV4FsGDHdHsY7THegMMeVkZb9g1zY4aOD4tEpa9oXWN7hKL4129L7v +WzClJKDpnHdsBU5PPL8+urP75vQF4RuyU14Je7nPj9My+yDeVre73Erp4zU0dBav3vK CdmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=MZAi3yK1u5t2/PPPhYZ7bws8IBCCqfLr/RVHEehBKTk=; b=hSLYJf1Qt9ZYYfj3Y/LcUR08K8HUP9UrZ0FD5ayQyfXt9+VEfqT6CXGL/SZxFraFfK 9d8NUq1P06xuDwGmleoM/gQNsZkYEPnCPwtKWVZsUq22Uz5glr7K/sL9poIQcDLEChp1 OelMBU1Y/O1PLrGW4kxxkmAv6l1A7QqXUCbRhGppU4HdifcF/vkzZD1bxyLwr0w0b10H w0qqbXbsi7yZc+KEtwBMfwHHMDjheVYTVVeBcSC6bnxVpnpK+BPm8ZKbXxEgume7ACXu +WG2by+v1G2dbEGHs0Mdr0zxzObi6jtqbXMuojpNxE77OTQFaTQcMYOHh3YdCHQ/bRXC zSvA== X-Gm-Message-State: AOAM530iDe2M7qPehIjBwZAoQoiY4rIy3RYMKQZ+WlCfJiq6IDsOA5r5 RlM7IHw0rjsjtvQkJty+1tPf6jCr X-Google-Smtp-Source: ABdhPJx949Pa5b3bUp1ZxJV0QFCmV3rO7TjPI2732MaCtmQLHIrY0oV7kGl3d/+TuYFt2U1IKFNBbtAc X-Received: from juew-desktop.sea.corp.google.com ([2620:15c:100:202:9a6e:681b:67df:5cc4]) (user=juew job=sendgmr) by 2002:a17:902:e78e:b0:163:caf2:2ef2 with SMTP id cp14-20020a170902e78e00b00163caf22ef2mr44610355plb.3.1654881112911; Fri, 10 Jun 2022 10:11:52 -0700 (PDT) Date: Fri, 10 Jun 2022 10:11:31 -0700 In-Reply-To: <20220610171134.772566-1-juew@google.com> Message-Id: <20220610171134.772566-6-juew@google.com> Mime-Version: 1.0 References: <20220610171134.772566-1-juew@google.com> X-Mailer: git-send-email 2.36.1.476.g0c4daa206d-goog Subject: [PATCH v5 5/8] KVM: x86: Use kcalloc to allocate the mce_banks array. From: Jue Wang To: Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , David Matlack Cc: Tony Luck , kvm@vger.kernel.org, Greg Thelen , Jiaqi Yan , Jue Wang Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This patch updates the allocation of mce_banks with the array allocation API (kcalloc) as a precedent for the later mci_ctl2_banks to implement per-bank control of Corrected Machine Check Interrupt (CMCI). Suggested-by: Sean Christopherson Signed-off-by: Jue Wang --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a08693808729..71d0e2a7b417 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11226,7 +11226,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) goto fail_free_lapic; vcpu->arch.pio_data = page_address(page); - vcpu->arch.mce_banks = kzalloc(KVM_MAX_MCE_BANKS * sizeof(u64) * 4, + vcpu->arch.mce_banks = kcalloc(KVM_MAX_MCE_BANKS * 4, sizeof(u64), GFP_KERNEL_ACCOUNT); if (!vcpu->arch.mce_banks) goto fail_free_pio_data; -- 2.36.1.255.ge46751e96f-goog