From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09CCCC433DF for ; Thu, 23 Jul 2020 06:23:16 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA5FD2065F for ; Thu, 23 Jul 2020 06:23:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ozlabs.org header.i=@ozlabs.org header.b="mxcHUvB1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA5FD2065F Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4BC2MP71BczDrC8 for ; Thu, 23 Jul 2020 16:23:13 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4BC2KB5XGBzDr0t for ; Thu, 23 Jul 2020 16:21:18 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=mxcHUvB1; dkim-atps=neutral Received: by ozlabs.org (Postfix, from userid 1003) id 4BC2KB3wqzz9sRf; Thu, 23 Jul 2020 16:21:18 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1595485278; bh=odF+torp6O5+9CyXhkwTTM6NVHZyqHYWRUU9Y7X2ibs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mxcHUvB17Jv0PuLCtPPCCEstr+aT1ErnByOEHg9mCCOjpZ3XCqDZ2aqHskXu1U17s 1J/JBy9nM5hKvwlMgGyJM5iD3WOAj3X32zauNKlXC7CPbSf7NsGYwfzeWnl8Ly7fRF YgQp4txyASY1BRh0JS4UZ6aaTQkaf7pmJ5LzT1EoD+8qq8CQ0z1oRWuvjVGRQxszpv VtexzBIrAFvcptPeV9KF+SlXvpbg8bnc/wrTVoshZn+QB7LyWHwixMRbjmzvvM/N3v +AnnvBgBSu2wf9uBliqvVWeLfS++sa/9iEQtGRMtKaD7/AYfmFY+DevDOE+a3++8EG 3mXxDYfHW/TaQ== Date: Thu, 23 Jul 2020 16:20:16 +1000 From: Paul Mackerras To: =?iso-8859-1?Q?C=E9dric?= Le Goater Subject: Re: [PATCH] KVM: PPC: Book3S HV: increase KVMPPC_NR_LPIDS on POWER8 and POWER9 Message-ID: <20200723062016.GE213782@thinks.paulus.ozlabs.org> References: <20200608115714.1139735-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200608115714.1139735-1-clg@kaod.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Nicholas Piggin , kvm@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Jun 08, 2020 at 01:57:14PM +0200, Cédric Le Goater wrote: > POWER8 and POWER9 have 12-bit LPIDs. Change LPID_RSVD to support up to > (4096 - 2) guests on these processors. POWER7 is kept the same with a > limitation of (1024 - 2), but it might be time to drop KVM support for > POWER7. > > Tested with 2048 guests * 4 vCPUs on a witherspoon system with 512G > RAM and a bit of swap. > > Signed-off-by: Cédric Le Goater Thanks, patch applied to my kvm-ppc-next branch. Paul.