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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4CFAC25B75 for ; Wed, 29 May 2024 10:11:01 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sCGFd-0007RH-IR; Wed, 29 May 2024 06:09:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sCGFa-0007Qk-7K for qemu-devel@nongnu.org; Wed, 29 May 2024 06:09:42 -0400 Received: from mail-ed1-x52a.google.com ([2a00:1450:4864:20::52a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sCGFY-0003tN-47 for qemu-devel@nongnu.org; Wed, 29 May 2024 06:09:41 -0400 Received: by mail-ed1-x52a.google.com with SMTP id 4fb4d7f45d1cf-578517c7ae9so2254286a12.3 for ; Wed, 29 May 2024 03:09:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1716977377; x=1717582177; darn=nongnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=XV3prPJYsg9INgPiJMwsNdqvgeHqmLfHaBWgp9S+Bi4=; b=VWDrajXu+YGW7tdXtGaEMYXnCl8bEuzMk+JIlWWCetUyywHdmgTwrwt6t/jL3PDpWP +hm/njwWQ3oiKTbO7fuf6OxbruzG/aOES0PsbsdLHGLt7RNXUAPW7c6u0lrHcYMwZMnB DyfmSCggBPy4z20yRpXt/w5p2PqhWMS7VuJjNhq/Ygu/eM8Q7d2bX37FM9DhNoi1tukv q6gfuhYhXd/hk+PsCGCUHOsYKS8o8U3eg5VtuIdumvDRiykL0j0ehWBSwLrQHpd5U/nU aulw7LiuhSOYcj1Fafz3XvaagdrAMM5E9acge1v09YobIy1kACgruaG+RpUMijxZVDwq 87mQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716977377; x=1717582177; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XV3prPJYsg9INgPiJMwsNdqvgeHqmLfHaBWgp9S+Bi4=; b=LoLGui74sD6juXEKKv3qdaawPm6mwvE8YGCdt0NeozKwmO+kYS9bsvTLq9RMcfsN7W ip5fTamsK05ukNkCbD3itam0w93pOZUnt+FAo1vfjGY9v4vexCkRNqHwlXdCkqBjNw9+ r7Na+MsElmcd0QSytCcFVYU+0UgAXprBn62RRHQ8ZVHQdY1VqGNlTxkaWRPGPnuut2B1 p65lpMp60yNM09HhH2qM5jChz08UeZMygFaUIU0ZvfCUiW38LxUA3meqM87yNGE/e4zP kzxpJ4kAit2ce0yhisudWof+Sek+TOIQVbOAJLwZ1TidsKfKvhPA4ypZ8+NZmCY2YQfD ARlg== X-Forwarded-Encrypted: i=1; AJvYcCX69evN1fMrne6twEP4icXpkZ3OGOyYJ8+pqjpuRTC3CJ8YYh2SnXiifR9tHNzkh8ykmMaQNralsst4HvGvB8gzOA/lYlQ= X-Gm-Message-State: AOJu0YxXIUYA0MzrgShyXOePChPwQYuRAvhBlJEt2lNIk/+ovPhxL7Wk 2aIMJO7xJSirz7QnrAFQikc5DIjgBIFWOIfxOFZHYJdyhcGFlHeL/G53330hi7A1PalvJq5hfq1 7Uxo7YIk0+9MHZx25FcKHVKhh8zfOJLn1Vv4WUg== X-Google-Smtp-Source: AGHT+IEOt5g5vURQtO1bLs0ybOgeJAHvJtapuIAUN8M0uIr4wv2am2UsM4nkEYa4DHISOnzJkfofhs7Nl+ZGoPKGHdw= X-Received: by 2002:a17:906:f581:b0:a62:9068:3f3 with SMTP id a640c23a62f3a-a629068056emr1028705166b.41.1716977376711; Wed, 29 May 2024 03:09:36 -0700 (PDT) MIME-Version: 1.0 References: <20240528102339.106257-1-vilhelmgyda@gmail.com> In-Reply-To: From: Manos Pitsidianakis Date: Wed, 29 May 2024 13:09:20 +0300 Message-ID: Subject: Re: [PATCH] Issue #2294 | Machine microvm doesn't run under Xen accel for x86_64 To: Vilhelm Gyda Cc: Paolo Bonzini , qemu-devel@nongnu.org, qemu-trivial@nongnu.org, philmd@linaro.org, richard.henderson@linaro.org, eduardo@habkost.net Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::52a; envelope-from=manos.pitsidianakis@linaro.org; helo=mail-ed1-x52a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, 29 May 2024 at 11:25, Vilhelm Gyda wrote: > > @philmd commented on gitlab: Discussed with @epilys on IRC, only Xen > machines (xenpv/xenfv) configure Xen so can run under it. > > But if we want to make it work under Xen. Any ideas how to move in > that direction? We'd have to specify what "works under Xen" means; xen as a type 1 hypervisor? I am trying to think if it makes sense, Xen machines in qemu already provide PV devices analogously to what microvm promises to support. What would be the use case for a "hypervisor agnostic" microvm machine? > > On Wed, May 29, 2024 at 12:37=E2=80=AFPM Paolo Bonzini wrote: > > > > On 5/28/24 12:23, Will Gyda wrote: > > > Issue #2294: Machine microvm doesn't run under Xen accel for qemu-sys= tem-x86_64. > > > Solution: microvm is now not build if only Xen is available. > > > > This does not fix the issue that microvm does not start with a Xen > > accelerator. I think it would be better to try and make it work instea= d. > > > > Paolo > > > > > Signed-off-by: Will Gyda > > > > > > --- > > > configs/devices/i386-softmmu/default.mak | 2 +- > > > hw/i386/Kconfig | 2 ++ > > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > > > diff --git a/configs/devices/i386-softmmu/default.mak b/configs/devic= es/i386-softmmu/default.mak > > > index 598c6646df..6a73aee7dd 100644 > > > --- a/configs/devices/i386-softmmu/default.mak > > > +++ b/configs/devices/i386-softmmu/default.mak > > > @@ -29,4 +29,4 @@ > > > CONFIG_ISAPC=3Dy > > > CONFIG_I440FX=3Dy > > > CONFIG_Q35=3Dy > > > -CONFIG_MICROVM=3Dy > > > +#CONFIG_MICROVM=3Dn > > > diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig > > > index a6ee052f9a..f8ec8ebd7a 100644 > > > --- a/hw/i386/Kconfig > > > +++ b/hw/i386/Kconfig > > > @@ -108,6 +108,8 @@ config Q35 > > > > > > config MICROVM > > > bool > > > + default y > > > + depends on KVM || WHPX || NVMM || HVF > > > select SERIAL_ISA # for serial_hds_isa_init() > > > select ISA_BUS > > > select APIC > > > --=20 Manos Pitsidianakis Emulation and Virtualization Engineer at Linaro Ltd