From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.66713.1680518260480157830 for ; Mon, 03 Apr 2023 03:37:41 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=W4j1+woV; spf=pass (domain: redhat.com, ip: 170.10.129.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680518259; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7ARk3GPqSlY4wHTh43SH5nLdWzUJ0L+3FrMcXsXU5bU=; b=W4j1+woVsrRIbxwk8ai+qN2YwZfz3s2ji2zXx8dLfLsxkWdXtvBp/903uoVxsMm0eSkQqR YljBNACCLCYYQynQBflGEWHrmA00ZoYzT29GpIO+UdTYKuIvjaligW+VkIr9CRJzC/7IWv kuptino+ZFt+0QuIIng5uUBhaN7R1so= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-529-3NV9AuA2M1GisvpQh7s3Vw-1; Mon, 03 Apr 2023 06:37:36 -0400 X-MC-Unique: 3NV9AuA2M1GisvpQh7s3Vw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B0B373C025AC; Mon, 3 Apr 2023 10:37:35 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.193.241]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7290840C6EC4; Mon, 3 Apr 2023 10:37:35 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 277161800393; Mon, 3 Apr 2023 12:37:34 +0200 (CEST) Date: Mon, 3 Apr 2023 12:37:34 +0200 From: "Gerd Hoffmann" To: devel@edk2.groups.io, ardb@kernel.org Cc: "Kinney, Michael D" , Laszlo Ersek , "Ni, Ray" Subject: Re: [edk2-devel] PR fails due to OVMF time out Message-ID: References: MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 03, 2023 at 10:21:27AM +0200, Ard Biesheuvel wrote: > On Sun, 2 Apr 2023 at 20:23, Kinney, Michael D > wrote: > > > > Hi Gerd, > > > > I have investigated this failure with enabling -smp 4. I think this is an > > important feature that should be on by default. > > > > Agreed. And given your investigation below (thanks!), we should be > able to revert the revert as long as we add '-accel > tcg,thread-single', right? That is how I read it, yes. > It would be nice if we could also get some coverage for KVM, but for > the time being, this seems to be an improvement already (AFAIU, we > want -smp 4 primarily for the logic used in the code, while there is > very little code that would actually run concurrently, if any) Yes, it's to improve MpInit test coverage. Most code would continue to run single-threaded. take care, Gerd