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Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.0 Subject: Re: [PATCH v6 9/9] xen: Add static memory sharing in SUPPORT.md To: Penny Zheng , CC: Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu References: <20220721132115.3015761-1-Penny.Zheng@arm.com> <20220721132115.3015761-10-Penny.Zheng@arm.com> Content-Language: en-US From: Michal Orzel In-Reply-To: <20220721132115.3015761-10-Penny.Zheng@arm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 39a711da-562a-4216-91ec-08da873398d8 X-MS-TrafficTypeDiagnostic: DM6PR12MB4202:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230016)(4636009)(396003)(376002)(346002)(39860400002)(136003)(46966006)(40470700004)(36840700001)(36860700001)(81166007)(40460700003)(356005)(86362001)(31696002)(82740400003)(16576012)(316002)(54906003)(110136005)(70586007)(2906002)(44832011)(4326008)(5660300002)(8936002)(70206006)(8676002)(82310400005)(47076005)(426003)(2616005)(336012)(186003)(478600001)(53546011)(26005)(41300700001)(40480700001)(31686004)(36756003)(43740500002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Aug 2022 07:21:30.2664 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 39a711da-562a-4216-91ec-08da873398d8 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT059.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4202 Hi Penny, On 21/07/2022 15:21, Penny Zheng wrote: > on ARM, static memory sharing is tech preview, which shall be documented NIT: missing 'a' before 'tech preview'. > in SUPPORT.md > > Signed-off-by: Penny Zheng > --- > v6 change: > - new commit > --- > SUPPORT.md | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/SUPPORT.md b/SUPPORT.md > index 8e040d1c1e..3dfe6d2fbe 100644 > --- a/SUPPORT.md > +++ b/SUPPORT.md > @@ -299,6 +299,12 @@ Allow sharing of identical pages between guests > > Status, x86 HVM: Experimental > > +### Static Memory Sharing > + > +Allow memory pre-shared among multiple domains at boot time through device tree configuration This does not explicitly state that this feature is for dom0less only. How about taking what you wrote in booting.txt: "Allow to statically set up shared memory on dom0less system, enabling domains to do shm-based communication". > + > + Status, ARM: Tech Preview > + > ### Memory Paging > > Allow pages belonging to guests to be paged to disk ~Michal