From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mx.groups.io with SMTP id smtpd.web10.31921.1679914971065610380 for ; Mon, 27 Mar 2023 04:02:51 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=JnW1LxJd; spf=pass (domain: redhat.com, ip: 170.10.133.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679914970; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=75MvqK61UGk9sd7y3ar5IECunOHYOncYGMuO9H7lKzY=; b=JnW1LxJdKnl3IXdUac8kfAZ0hHPKrzuOtP3e4QiRO4x+y1gYpspeEpn5aTf9LTbAJ/1Tkc P6A6k2gJp357kETF+alOXef5EJAjODVL3P7He/fkxAAUpsJaF3eByE2JwNIK4KbHZmX6SR UQJYHzRPpiCCtRXC2SRJ8ZvXoBawPMM= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-224-PDLJ3EDPOKa4ejLQmSCFpw-1; Mon, 27 Mar 2023 07:02:46 -0400 X-MC-Unique: PDLJ3EDPOKa4ejLQmSCFpw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A6C1885A5B1; Mon, 27 Mar 2023 11:02:44 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.193.68]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 42E3F492C3E; Mon, 27 Mar 2023 11:02:44 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id D154E1801B04; Mon, 27 Mar 2023 13:02:42 +0200 (CEST) Date: Mon, 27 Mar 2023 13:02:42 +0200 From: "Gerd Hoffmann" To: devel@edk2.groups.io, yuanhao.xie@intel.com Cc: Guo Dong , Ray Ni , Sean Rhodes , James Lu , Gua Guo Subject: Re: [edk2-devel] [PATCH 2/2] UefiCpuPkg: After reset, wake up APs by SIPI. Message-ID: <65wbjxccgyktntnkkkfk37ioauwyzgyg6nuxm4rrocdcny2wes@ffos4xwarql3> References: <20230327031711.1575-1-yuanhao.xie@intel.com> <20230327031711.1575-3-yuanhao.xie@intel.com> MIME-Version: 1.0 In-Reply-To: <20230327031711.1575-3-yuanhao.xie@intel.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit On Mon, Mar 27, 2023 at 11:17:11AM +0800, Yuanhao Xie wrote: > Following a power-up or RESET, since all APs are already in the > “wait-for-SIPI state,” the BSP can broadcast just a single SIPI IPI to > the APs to wake them up and initialize them. > > Cc: Guo Dong > Cc: Ray Ni > Cc: Sean Rhodes > Cc: James Lu > Cc: Gua Guo > Signed-off-by: Yuanhao Xie This patch breaks OVMF (just boot the firmware in qemu image with '-smp 2'). take care, Gerd