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 08216740046 for ; Thu, 14 Mar 2024 10:42:30 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=xYl4aVDbtezoq53Nuf37Oj551JxSzgbYLro8oMPw048=; c=relaxed/simple; d=groups.io; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Resent-Date:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type:Content-Disposition; s=20240206; t=1710412949; v=1; b=PC4IxrADsdcAsBsdIBKMvp/HtiEUlUGW9v5M3ylRPSvs7JBC3TytrKatAJeQNdXWEU1170xx ZLo6INXlVamIRCO419cFkXIVBMDwd4cQEAqTNzpdBHXrmO9HFGXvpIeSMM2mb3EYhxMRELbxpJ3 yr2jmQF0TQFyXtF3KF4zQlHpzo/mir7UuyRviOqQC6VDAPGgMvAw8XZ5Mjwg8lb8ZkDS0Na0/NT 6FwoX71ssAsgYHTB82bi5MhzI2xay0qH1Ho5ZSPnoDGSjOeZgXDer6SkGaLNZgKFXfgE4HqKNj3 3IyIo96WxnkFJmElX1Fel5CnIeTIx+Ym7aTrtvZq4b28A== X-Received: by 127.0.0.2 with SMTP id J6BdYY7687511xddVNjbF3Fs; Thu, 14 Mar 2024 03:42:29 -0700 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.web10.9557.1710412948957558371 for ; Thu, 14 Mar 2024 03:42:29 -0700 X-Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-646-OxdwdYrFO_qUX6hwM46koA-1; Thu, 14 Mar 2024 06:42:24 -0400 X-MC-Unique: OxdwdYrFO_qUX6hwM46koA-1 X-Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (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 1DA012800507; Thu, 14 Mar 2024 10:42:24 +0000 (UTC) X-Received: from sirius.home.kraxel.org (unknown [10.39.192.3]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E97602166AE4; Thu, 14 Mar 2024 10:42:23 +0000 (UTC) X-Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id B34C61800629; Thu, 14 Mar 2024 11:42:22 +0100 (CET) Date: Thu, 14 Mar 2024 11:42:22 +0100 From: "Gerd Hoffmann" To: devel@edk2.groups.io, thomas.lendacky@amd.com Cc: Ard Biesheuvel , Erdem Aktas , Jiewen Yao , Laszlo Ersek , Liming Gao , Michael D Kinney , Min Xu , Zhiguang Liu , Rahul Kumar , Ray Ni , Michael Roth Subject: Re: [edk2-devel] [PATCH v3 07/24] MdePkg: Avoid hardcoded value for number of Page State Change entries Message-ID: References: <6cf14525191bb48c1a4cc54bc5b6db08b0810e9e.1709911792.git.thomas.lendacky@amd.com> MIME-Version: 1.0 In-Reply-To: <6cf14525191bb48c1a4cc54bc5b6db08b0810e9e.1709911792.git.thomas.lendacky@amd.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.6 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 Resent-Date: Thu, 14 Mar 2024 03:42:29 -0700 Reply-To: devel@edk2.groups.io,kraxel@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: HarQQuaDEaEGBYPiDijJmTILx7686176AA= Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20240206 header.b=PC4IxrAD; 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 Fri, Mar 08, 2024 at 07:30:56AM -0800, Lendacky, Thomas via groups.io wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4654 > > The SNP_PAGE_STATE_MAX_ENTRY is based on the number of entries that can > fit in the GHCB shared buffer. As a result, the SNP_PAGE_STATE_CHANGE_INFO > structure maps the full GHCB shared buffer based on the shared buffer size > being 2032 bytes. > > Instead of using a hardcoded value for SNP_PAGE_STATE_MAX_ENTRY, use a > build calculated value. Since the SNP_PAGE_STATE_CHANGE_INFO is used as a > mapping, eliminate the hardcoded array size so that the structure can be > used based on any size buffer. > > Cc: Liming Gao > Cc: Michael D Kinney > Cc: Zhiguang Liu > Signed-off-by: Tom Lendacky Acked-by: Gerd Hoffmann -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#116740): https://edk2.groups.io/g/devel/message/116740 Mute This Topic: https://groups.io/mt/104810697/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-