From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 6D47E740174 for ; Fri, 17 Nov 2023 20:13:55 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=socRlr3JMUPrZJ51i9ZF6NqesxqQxJEGHaipiFRrYSw=; c=relaxed/simple; d=groups.io; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Language:Content-Type:Content-Transfer-Encoding; s=20140610; t=1700252034; v=1; b=G2DIPSf1Ts2qKJICygvpyVLEVzOEshKcqHYy4HuZRVBtqID7jWpchQo2lDdYl9MyJcOb5S6z G8vpi+CF9vlBaU6qFRyhZRdi+s7caQlQIDyQvRM4cK5Od0rHDWSqNlMxS/VOga3CtU7Ho1ssXrm otWEH/Cg2LGCvO1NDv3LE0rw= X-Received: by 127.0.0.2 with SMTP id GtwzYY7687511xFSKEmFkZlS; Fri, 17 Nov 2023 12:13:54 -0800 X-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.web11.5465.1700252033308418481 for ; Fri, 17 Nov 2023 12:13:53 -0800 X-Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-288-tCgq9RMKPEipdZHAGU_tJA-1; Fri, 17 Nov 2023 15:13:51 -0500 X-MC-Unique: tCgq9RMKPEipdZHAGU_tJA-1 X-Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 98EA2101A52D; Fri, 17 Nov 2023 20:13:50 +0000 (UTC) X-Received: from [10.39.192.39] (unknown [10.39.192.39]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 36DC72026D4C; Fri, 17 Nov 2023 20:13:48 +0000 (UTC) Message-ID: <08e0be3c-98f9-8b67-a1c2-2cc2ff8112c2@redhat.com> Date: Fri, 17 Nov 2023 21:13:46 +0100 MIME-Version: 1.0 Subject: Re: [edk2-devel] [Patch V2 1/3] UefiCpuPkg: Create MpInformation.h in UefiCpuPkg To: devel@edk2.groups.io, dun.tan@intel.com Cc: Eric Dong , Ray Ni , Rahul Kumar , Gerd Hoffmann References: <20231117093957.621-1-dun.tan@intel.com> <20231117093957.621-2-dun.tan@intel.com> From: "Laszlo Ersek" In-Reply-To: <20231117093957.621-2-dun.tan@intel.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,lersek@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: 7Trse6aNzpZPAVoPguB5L23Lx7686176AA= Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=G2DIPSf1; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=redhat.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io On 11/17/23 10:39, duntan wrote: > Copy MpInformation.h and gMpInformationHobGuid to > UefiCpuPkg. > Previously, the HOB is defined, created and consumed > only in StandaloneMmPkg. The HOB contains the number > of processors and EFI_PROCESSOR_INFORMATION structure. > This is the same as the information that PiSmmCpuDxeSmm > uses EfiMpServiceProtocolGuid to get. > The incoming plan is to create gMpInformationHobGuid > for both StandaloneMm and legacy DXE_SMM in early > phase. Then PiSmmCpuDxeSmm can consume the hob, which can > simplified code logic about consuming MpService Protocol. > So move this HOB definition to UefiCpuPkg. >=20 > Signed-off-by: Dun Tan > Cc: Eric Dong > Cc: Ray Ni > Cc: Rahul Kumar > Cc: Gerd Hoffmann > Cc: Laszlo Ersek > --- > UefiCpuPkg/Include/Guid/MpInformation.h | 39 +++++++++++++++++++++++++++= ++++++++++++ > UefiCpuPkg/UefiCpuPkg.dec | 3 +++ > 2 files changed, 42 insertions(+) >=20 > diff --git a/UefiCpuPkg/Include/Guid/MpInformation.h b/UefiCpuPkg/Include= /Guid/MpInformation.h > new file mode 100644 > index 0000000000..29da80d4df > --- /dev/null > +++ b/UefiCpuPkg/Include/Guid/MpInformation.h > @@ -0,0 +1,39 @@ > +/** @file > + EFI MP information protocol provides a lightweight MP_SERVICES_PROTOCO= L. > + > + MP information protocol only provides static information of MP process= or. > + > + If SwitchBSP or Enable/DisableAP in MP service is called between the H= OB > + production and HOB consumption, EFI_PROCESSOR_INFORMATION.StatusFlag a= nd > + NumberOfEnabledProcessors fields in this HOB may be invalidated. Thanks for the update. Acked-by: Laszlo Ersek -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#111410): https://edk2.groups.io/g/devel/message/111410 Mute This Topic: https://groups.io/mt/102644630/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/leave/12367111/7686176/19134562= 12/xyzzy [rebecca@openfw.io] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-