From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28F5F252282 for ; Tue, 6 May 2025 17:02:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746550964; cv=none; b=Px17fWt0L3CtkyvTwUEm6rFT4UNtJSlFU5KJQVBqdLlf88LPfKejPlIBA2dZYOstpFjoTt5k/gznmAGkTSx0rffq89TxElsZw6hTXd2PdJMYOukrfRjlxWV01gf4wKaG7LYoOi0Q1L+52lnJMNnsUG3KCCVBme/b10/qM6XV8TY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746550964; c=relaxed/simple; bh=D+DMk4J3J4PZmLIDq0Alk66bZIdPLcFhzbmDSkbr73c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PdBrJZvTi8rcRIT27HwFz/5KAnIp43xNnftEf80xJswMhFzwBMo19DVeGsus/nFaRDXuKYV2+hCSRuHk3Z5jUcFlnpD9pOGH870iRLtrjjXkrQzSBH6pNbNUwng+xLlOyY/Qv3ZpDdg+Yo9QCqZoXNq+fgDP9zdkeC8WWMn6AQw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dYfa3I+8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dYfa3I+8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 46EAFC4CEEB; Tue, 6 May 2025 17:02:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746550963; bh=D+DMk4J3J4PZmLIDq0Alk66bZIdPLcFhzbmDSkbr73c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dYfa3I+8xjihRLms+wYG+uwS6tVxSLcgjeKx7DuXia15Fk/DAwpb2u78+13K/JJKf lbPwkv1nFospZzhoHzFOULeWosMQqFjJqofBzvk2gfFgZyrQEFRX01zm/hUAOBkqIh jwT0QEVL+AB4YmW1OqeXVHmIBYabspiawB6rNu1yLV9FrqN+ZcFF4jr7EXRmrPJnKn Dedsk7p0O7prsR1E3pytUXy8WKq0Rmv2VRiG55KGShC6KajiKTQz77CGWu5KnK4Wf5 ZROcLezti8xzWvDXiMdZvbbWRyUJhyd+1yxFxYLICTZNL08jBomXJVFPoRQiP9TZ9T bxFKi6TEfbzdA== Date: Tue, 6 May 2025 19:02:36 +0200 From: Ingo Molnar To: Vitaly Kuznetsov Cc: linux-kernel@vger.kernel.org, "H . Peter Anvin" , Linus Torvalds , Peter Zijlstra , Borislav Petkov , Thomas Gleixner , Ard Biesheuvel , Arnd Bergmann , Carlos Bilbao , David Woodhouse , Elena Reshetova , Fei Li , Jan Kiszka , Juergen Gross , "Kirill A . Shutemov" , Masahiro Yamada , Michal Marek , Paolo Bonzini , Sean Christopherson , Stefano Stabellini Subject: [PATCH -v2 09/15] x86/kconfig/64: Enable more virtualization guest options in the defconfig: enable Xen, Xen_PVH, Jailhouse, ACRN, Intel TDX and Hyper-V Message-ID: References: <20250505110946.1095363-1-mingo@kernel.org> <20250505110946.1095363-10-mingo@kernel.org> <87msbp278e.fsf@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87msbp278e.fsf@redhat.com> * Vitaly Kuznetsov wrote: > Ingo Molnar writes: > > > Since the x86 defconfig aims to be a distro kernel work-alike with > > fewer drivers and a shorter build time, refresh all the virtualization > > guest Kconfig features, enabling paravirt spinlocks, and > > enabling the guest support code for the following guests: > > > > - Xen > > - Xen_PVH > > - Jailhouse > > - ACRN > > - Intel TDX > > Out of curiosity and to get the idea what's good for defconfig and > what's not: do we want to enable Hyper-V and its drivers as well? I > think all popular distros enable it nowdays because of Azure. E.g. > > CONFIG_PCI_HYPERV=m > CONFIG_HYPERV_STORAGE=m > CONFIG_HYPERV_NET=m > CONFIG_HYPERV_KEYBOARD=m > CONFIG_DRM_HYPERV=m > CONFIG_HID_HYPERV_MOUSE=m > CONFIG_HYPERV=m > CONFIG_HYPERV_UTILS=m > CONFIG_HYPERV_BALLOON=m We can certainly do that. The only reason I missed it is because CONFIG_HYPERV et al have hidden away in the 'drivers' section of the .config, which I didn't examine. The other guest support options are in the generic config section. Updated patch attached. Thanks, Ingo =================================> From: Ingo Molnar Date: Mon, 5 May 2025 10:49:11 +0200 Subject: [PATCH] x86/kconfig/64: Enable more virtualization guest options in the defconfig: enable Xen, Xen_PVH, Jailhouse, ACRN, Intel TDX and Hyper-V Since the x86 defconfig aims to be a distro kernel work-alike with fewer drivers and a shorter build time, refresh all the virtualization guest Kconfig features, enabling paravirt spinlocks, and enabling the guest support code for the following guests: - Xen - Xen_PVH - Jailhouse - ACRN - Intel TDX - Hyper-V Signed-off-by: Ingo Molnar Acked-by: Kirill A. Shutemov Cc: Ard Biesheuvel Cc: Arnd Bergmann Cc: Carlos Bilbao Cc: David Woodhouse Cc: Elena Reshetova Cc: Fei Li Cc: H. Peter Anvin Cc: Jan Kiszka Cc: Juergen Gross Cc: Linus Torvalds Cc: Masahiro Yamada Cc: Michal Marek Cc: Paolo Bonzini Cc: Sean Christopherson Cc: Stefano Stabellini Cc: Vitaly Kuznetsov --- arch/x86/configs/defconfig.x86_64 | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/x86/configs/defconfig.x86_64 b/arch/x86/configs/defconfig.x86_64 index 156e9490e29b..df786b8b4e85 100644 --- a/arch/x86/configs/defconfig.x86_64 +++ b/arch/x86/configs/defconfig.x86_64 @@ -30,7 +30,12 @@ CONFIG_PROFILING=y CONFIG_KEXEC=y CONFIG_SMP=y CONFIG_HYPERVISOR_GUEST=y -CONFIG_PARAVIRT=y +CONFIG_PARAVIRT_SPINLOCKS=y +CONFIG_XEN=y +CONFIG_XEN_PVH=y +CONFIG_JAILHOUSE_GUEST=y +CONFIG_ACRN_GUEST=y +CONFIG_INTEL_TDX_GUEST=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y @@ -128,6 +133,7 @@ CONFIG_NET_9P=y CONFIG_NET_9P_VIRTIO=y CONFIG_PCI=y CONFIG_PCIEPORTBUS=y +CONFIG_PCI_HYPERV=y CONFIG_HOTPLUG_PCI=y CONFIG_PCCARD=y CONFIG_YENTA=y @@ -168,6 +174,7 @@ CONFIG_SKY2=y CONFIG_FORCEDETH=y CONFIG_8139TOO=y CONFIG_R8169=y +CONFIG_HYPERV_NET=y CONFIG_INPUT_EVDEV=y CONFIG_INPUT_JOYSTICK=y CONFIG_INPUT_TABLET=y @@ -198,6 +205,7 @@ CONFIG_AGP_INTEL=y CONFIG_DRM=y CONFIG_DRM_I915=y CONFIG_DRM_VIRTIO_GPU=y +CONFIG_DRM_HYPERV=y CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_HRTIMER=y @@ -214,6 +222,7 @@ CONFIG_HID_PETALYNX=y CONFIG_HID_SAMSUNG=y CONFIG_HID_SONY=y CONFIG_HID_SUNPLUS=y +CONFIG_HID_HYPERV_MOUSE=y CONFIG_HID_TOPSEED=y CONFIG_HID_PID=y CONFIG_USB_HIDDEV=y @@ -231,6 +240,9 @@ CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_INPUT=y +CONFIG_HYPERV=y +CONFIG_HYPERV_UTILS=y +CONFIG_HYPERV_BALLOON=y CONFIG_EEEPC_LAPTOP=y CONFIG_AMD_IOMMU=y CONFIG_INTEL_IOMMU=y