From patchwork Wed Sep 27 00:29:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 13399790 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B31EE7F14D for ; Wed, 27 Sep 2023 00:30:04 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.608607.947205 (Exim 4.92) (envelope-from ) id 1qlIR0-0005wk-MK; Wed, 27 Sep 2023 00:29:46 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 608607.947205; Wed, 27 Sep 2023 00:29:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qlIR0-0005wd-Jl; Wed, 27 Sep 2023 00:29:46 +0000 Received: by outflank-mailman (input) for mailman id 608607; Wed, 27 Sep 2023 00:29:46 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qlIR0-0005wX-9n for xen-devel@lists.xenproject.org; Wed, 27 Sep 2023 00:29:46 +0000 Received: from ams.source.kernel.org (ams.source.kernel.org [2604:1380:4601:e00::1]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id f40a823d-5ccc-11ee-9b0d-b553b5be7939; Wed, 27 Sep 2023 02:29:43 +0200 (CEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id CD571B811B8; Wed, 27 Sep 2023 00:29:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 053E1C433C8; Wed, 27 Sep 2023 00:29:40 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f40a823d-5ccc-11ee-9b0d-b553b5be7939 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695774582; bh=dJcuY45VkVzr4wW/SE5W2DeKM/V099j827bBkZESWbQ=; h=From:To:Cc:Subject:Date:From; b=RMLae8sQ7bJ0DUdwBTnhR/+LGST7BQMLMRYSkZsfzXp2idLyN3snFr4WsQDMCvhl+ a5SCGh+vDPALEue3X8fW+TjiAFa+wE1+ez8/lbSeJPN6FN1nJY2lzFSzyHVCLq2Ajb v7mcLVHOYmGWSdVl9Qv+rH0sq+dObQk9XRfSL0fl7UwgfcKMcd8m2iJmdEPIqnWogT UBmv7AYctQj+uYgwJ5UJuOrKytUNHo5Cmq05AMr8AqTqk1jp2cYdsZ1LKx+g20nEvN /lZBBvHps1uY1vX3fgdSffrvf4ycd7xmgFD2bQhLTigCMJGh/Bj90IXrmK106hJjlX sRcI1B6R4E2Yw== From: Stefano Stabellini To: xen-devel@lists.xenproject.org Cc: andrew.cooper3@citrix.com, george.dunlap@citrix.com, jbeulich@suse.com, julien@xen.org, sstabellini@kernel.org, wl@xen.org, roger.pau@citrix.com, Stefano Stabellini Subject: [PATCH v2] SUPPORT: downgrade Physical CPU Hotplug to Experimental Date: Tue, 26 Sep 2023 17:29:38 -0700 Message-Id: <20230927002938.1770418-1-sstabellini@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 From: Stefano Stabellini The feature is not commonly used, and we don't have hardware to test it, not in OSSTest, not in Gitlab, and not even ad-hoc manually by community members. We could use QEMU to test it, but even that it is known not to work. Also take the opportunity to rename the feature to "ACPI CPU Hotplug" for clarity. Signed-off-by: Stefano Stabellini --- Changes in v2: - rename the feature following Roger's suggestion --- SUPPORT.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/SUPPORT.md b/SUPPORT.md index 3461f5cf2f..3472b6edfa 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -46,9 +46,9 @@ For the Cortex A77 r0p0 - r1p0, see Errata 1508412. ## Host hardware support -### Physical CPU Hotplug +### ACPI CPU Hotplug - Status, x86: Supported + Status, x86: Experimental ### Physical Memory