From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 827202F5B for ; Sat, 14 Jun 2025 10:31:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749897084; cv=none; b=aqnuH/ILCBXJUU11jFbWUovyqt/bZzG9ZuVyXpXOJhzPY+lfXQvZf6cJgPtWvKxd55MZhep4i3oc1b9x4uYDJrC2bp24ncef8jypXAmNEtTh3CtCaDcfmMckdDoB6gpadnDdUOFyf008xED6KU0wkVQQJfKXSaXCv1vAMXNSZKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749897084; c=relaxed/simple; bh=GHZr9093QeshnhSDllbnn6G3qWrBPLKcJ9kM6t4B/tI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tUjclpSxapkE2Rdwajh4gcoaWQsVOFXs5wEWoc+/paM8zTwztV+ItywALhEkF+DlchVtUo5VKFbZF3xdsij5iWKfeRwmWa8mVJN/Ggs6wWJ1hGyF6tkpjxIVFUdZ8EjF8v9fHcbLrqY035jEZUKWeQKoujibWN49HAKiOntCX4I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=iUr6cRq8; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="iUr6cRq8" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=j9ZlmHkHpHkgI0wdIPO3WaEDIJyQiEupsW66Cgr5TmA=; b=iUr6cRq8RNtTAcCQneJoHKkJK9 7xDM48jzD1qyRs8c/jHKQ8fBRhKP2G/tb1+2ff4NlIb8bQdcRR7RIBM5/aR6Trcs58NFh/fmkihqo NUplvjck2e6sGcwk9rZ4u9C644c0Gt56LOGntWSjaHobof495ijJmG5oXP6w+SoHjPD4mgJycAhz1 K/ABABa1hx8YBhh2XNJ5jqBO6dW+mNKJWBNIH7AEenXPgJu3rYmEfCA7DCM88ZFMpLXravHEg4OiQ 3Uq4zPMQa7aQkJ68j3k9TmeB3IiBRGl8CzE0pB+DEZN+hqpB5GPwYbj4ydP2BB9A9WX+nrmnmJ64U /pWa+/tg==; Received: from 2001-1c00-8d82-d000-266e-96ff-fe07-7dcc.cable.dynamic.v6.ziggo.nl ([2001:1c00:8d82:d000:266e:96ff:fe07:7dcc] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uQOA6-00000003Coy-07M3; Sat, 14 Jun 2025 10:30:58 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A1D753018AA; Sat, 14 Jun 2025 12:30:55 +0200 (CEST) Date: Sat, 14 Jun 2025 12:30:55 +0200 From: Peter Zijlstra To: Michael Kelley Cc: Ingo Molnar , "linux-kernel@vger.kernel.org" , Vitaly Kuznetsov , "H . Peter Anvin" , Linus Torvalds , Borislav Petkov , Thomas Gleixner , =?iso-8859-1?Q?J=FCrgen_Gro=DF?= , "Kirill A . Shutemov" , Ard Biesheuvel , Arnd Bergmann , Carlos Bilbao , David Woodhouse , Elena Reshetova , Fei Li , Jan Kiszka , Masahiro Yamada , Michal Marek , Paolo Bonzini , Sean Christopherson , Stefano Stabellini Subject: Re: [PATCH 07/13] x86/kconfig/64: Enable more virtualization guest options in the defconfig: enable Xen, Xen_PVH, Jailhouse, ACRN, Intel TDX and Hyper-V Message-ID: <20250614103055.GL2278213@noisy.programming.kicks-ass.net> References: <20250515132719.31868-1-mingo@kernel.org> <20250515132719.31868-8-mingo@kernel.org> 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: On Thu, May 15, 2025 at 11:40:06PM +0000, Michael Kelley wrote: > From: Ingo Molnar Sent: Thursday, May 15, 2025 6:27 AM > > > > 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 > > I built and tested a Hyper-V guest with defconfig. The Hyper-V storage > and keyboard drivers are pulled in automatically, so my previous > comment about them being "missing" is moot. > > But the Linux console for each Hyper-V guest is a synthetic graphics > console, So clearly I'm a caveman like creature, but surely those things have serial console, right? I mean, that's how I access all my test boxes, serial console and ssh. What more does one really need :-) /me crawls back into his cave.