From patchwork Tue Jul 12 20:09:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= X-Patchwork-Id: 9226149 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 94318608A1 for ; Tue, 12 Jul 2016 20:11:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87CD027DCD for ; Tue, 12 Jul 2016 20:11:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C0A127F9C; Tue, 12 Jul 2016 20:11:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.9 required=2.0 tests=BAYES_00,HK_RANDOM_FROM, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DA7227F94 for ; Tue, 12 Jul 2016 20:11:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752199AbcGLUK4 (ORCPT ); Tue, 12 Jul 2016 16:10:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52773 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014AbcGLUKz (ORCPT ); Tue, 12 Jul 2016 16:10:55 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0A3567F352; Tue, 12 Jul 2016 20:10:30 +0000 (UTC) Received: from potion (dhcp-1-206.brq.redhat.com [10.34.1.206]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with SMTP id u6CKAQQF018986; Tue, 12 Jul 2016 16:10:27 -0400 Received: by potion (sSMTP sendmail emulation); Tue, 12 Jul 2016 22:10:26 +0200 From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Paolo Bonzini , "Lan, Tianyu" , Igor Mammedov , Jan Kiszka , Peter Xu , Yang Zhang Subject: [PATCH v3 13/14] KVM: x86: bump MAX_VCPUS to 288 Date: Tue, 12 Jul 2016 22:09:29 +0200 Message-Id: <20160712200930.32143-14-rkrcmar@redhat.com> In-Reply-To: <20160712200930.32143-1-rkrcmar@redhat.com> References: <20160712200930.32143-1-rkrcmar@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 12 Jul 2016 20:10:30 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 288 is in high demand because of Knights Landing CPU. We cannot set the limit to 640k, because that would be wasting space. Reviewed-by: Paolo Bonzini Signed-off-by: Radim Krčmář --- arch/x86/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 25bf9d627c15..276d6f449d13 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -34,7 +34,7 @@ #include #include -#define KVM_MAX_VCPUS 255 +#define KVM_MAX_VCPUS 288 #define KVM_SOFT_MAX_VCPUS 240 #define KVM_USER_MEM_SLOTS 509 /* memory slots that are not exposed to userspace */