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 9C31AC77B7E for ; Fri, 2 Jun 2023 01:22:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233426AbjFBBWy (ORCPT ); Thu, 1 Jun 2023 21:22:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233397AbjFBBWu (ORCPT ); Thu, 1 Jun 2023 21:22:50 -0400 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 DF65E19A for ; Thu, 1 Jun 2023 18:22:39 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-565ba5667d5so19716587b3.0 for ; Thu, 01 Jun 2023 18:22:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685668959; x=1688260959; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=1L8VyB36ynvlSOk2tKH4CvN2Q83nfEAT9W0QbjLZrOQ=; b=7w+gX6kgASJ/T3O0D33AM4Mmaq7PbMn5szbebv99khay7USD1J+MPAnpWXWGptmyiR Ct3j55Eyy7UcYi2fvgDkQQC5Q2sxAEDmzadHexhsLdo+YaMYHP4GGoE1Fxmzph2AFjU/ fnw8No0DW3K5vT3CqkG3CUY+FsDUub5elQUNHZhl0TruMbazJJJ6IHxjxUIkbZWA4qFH OAWEgUvTV08CE1ZUEVVJ6oEZvngJ6hUVKITxHUFYkhd4GQDTKCXnNIErjvwfabynxO2U bmUQRn2i7tacoRu3/6/549iWU4k0Lkl6ZQxwV9b4w08l6ccowCS4ctimUd2LfQ546d99 TxBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685668959; x=1688260959; 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=1L8VyB36ynvlSOk2tKH4CvN2Q83nfEAT9W0QbjLZrOQ=; b=Z4ofygFjWP4AxKTuLpbzrUgGil6Ta9jMIYpxfW6VJTgC9Q0mSSwBHBYLH7CVdCMmie hAWQWdjIyfLooEAONsq2KCDAmyxi0PNSpLvglJ46AEY2IkCpvVXTbBjWLfONrZh9zX/V pKhjYLzRqEPMdt1enqRJH5+sF0O4AFQSt+rqpejIW6NCdw9F5ptuHAAl4iOiuduqcnxo LWOqZdBv5TwPuuObQL0DC0H/Ntm2b2Brl8AtVtZ2j8urAIqNpZKhIDCwQAXToKxV0Rcm xu/yS6jNis8hTOfQiQHutUz/Pl4NFQpCKRUhg9ipLFhckwAqR3FceVhmwpyfxbXg2Eey etDQ== X-Gm-Message-State: AC+VfDytqH3wethEuZZp8HinC6FnLzthI8Y6udhDn+vYczdv/v7X6Fbu yrMPOZF3UEUNd1ypzsA6YXSd7tKXiXI= X-Google-Smtp-Source: ACHHUZ5uVuOeEkTL+OUZ1Y7x8ro5g3vpmIb3LVVqWQ0B/p751jpgkE/1XSnj0awaLDOg8bBE2EjQ/C3UFO8= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a81:af10:0:b0:559:c032:eb5e with SMTP id n16-20020a81af10000000b00559c032eb5emr6090590ywh.1.1685668959204; Thu, 01 Jun 2023 18:22:39 -0700 (PDT) Date: Thu, 1 Jun 2023 18:21:51 -0700 In-Reply-To: <20230526210340.2799158-1-seanjc@google.com> Mime-Version: 1.0 References: <20230526210340.2799158-1-seanjc@google.com> X-Mailer: git-send-email 2.41.0.rc2.161.g9c6817b8e7-goog Message-ID: <168565363778.667891.6228323233552429426.b4-ty@google.com> Subject: Re: [PATCH v3 0/2] KVM: x86: Report actual nent from KVM_GET_CPUID2 From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Takahiro Itazuri Content-Type: text/plain; charset="utf-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 26 May 2023 14:03:38 -0700, Sean Christopherson wrote: > Essentially v3 of Takahiro's patch. Update cpuid->nent on a successful > KVM_GET_CPUID2 so that userspace knows exactly how many entries were > filled. Add a testcase to verify KVM's ABI. > > v3: > - Don't bother updating cpuid->nent in the error path, the data is never > copied to userspace. > - Add testcase to cpuid_test > > [...] Applied to kvm-x86 misc, thanks! [1/2] KVM: x86: Update number of entries for KVM_GET_CPUID2 on success, not failure https://github.com/kvm-x86/linux/commit/ab322c43cce9 [2/2] KVM: selftests: Extend cpuid_test to verify KVM_GET_CPUID2 "nent" updates https://github.com/kvm-x86/linux/commit/2c7613131998 -- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes