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=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham 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 B93F9C4361B for ; Tue, 8 Dec 2020 17:26:28 +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 15160207D8 for ; Tue, 8 Dec 2020 17:26:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 15160207D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.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 4Cr6Xx3kN4zDqjp for ; Wed, 9 Dec 2020 04:26:25 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kaod.org (client-ip=178.32.125.2; helo=smtpout1.mo529.mail-out.ovh.net; envelope-from=groug@kaod.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=kaod.org Received: from smtpout1.mo529.mail-out.ovh.net (smtpout1.mo529.mail-out.ovh.net [178.32.125.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Cr6VC6R8zzDqRj for ; Wed, 9 Dec 2020 04:24:02 +1100 (AEDT) Received: from mxplan5.mail.ovh.net (unknown [10.108.16.164]) by mo529.mail-out.ovh.net (Postfix) with ESMTPS id 63DF7726BCDA; Tue, 8 Dec 2020 18:23:59 +0100 (CET) Received: from kaod.org (37.59.142.101) by DAG8EX1.mxp5.local (172.16.2.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2044.4; Tue, 8 Dec 2020 18:23:59 +0100 Authentication-Results: garm.ovh; auth=pass (GARM-101G004f899de7c-9249-445b-afc5-acce07eb1b49, 17D40A658B0D6C300559F39EE9B5E954A2DF46D1) smtp.auth=groug@kaod.org X-OVh-ClientIp: 82.253.208.248 Date: Tue, 8 Dec 2020 18:23:57 +0100 From: Greg Kurz To: =?UTF-8?B?Q8OpZHJpYw==?= Le Goater Subject: Re: [PATCH 08/13] powerpc: Increase NR_IRQS range to support more KVM guests Message-ID: <20201208182357.75d65fd8@bahia.lan> In-Reply-To: <20201208151124.1329942-9-clg@kaod.org> References: <20201208151124.1329942-1-clg@kaod.org> <20201208151124.1329942-9-clg@kaod.org> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.101] X-ClientProxiedBy: DAG3EX1.mxp5.local (172.16.2.21) To DAG8EX1.mxp5.local (172.16.2.71) X-Ovh-Tracer-GUID: af975aad-f183-4086-955c-037def1f0b41 X-Ovh-Tracer-Id: 13163740236680305050 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: 0 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedujedrudejiedguddtudcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecunecujfgurhepfffhvffukfgjfhfogggtgfhisehtqhertdertdejnecuhfhrohhmpefirhgvghcumfhurhiiuceoghhrohhugheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeevlefhtddufffhieevhefhleegleelgfetffetkedugeehjeffgfehhfefueduffenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddruddtudenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehmgihplhgrnhehrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomhepghhrohhugheskhgrohgurdhorhhgpdhrtghpthhtoheptghlgheskhgrohgurdhorhhg 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: linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, 8 Dec 2020 16:11:19 +0100 C=C3=A9dric Le Goater wrote: > PowerNV systems can handle up to 4K guests and 1M interrupt numbers > per chip. Increase the range of allowed interrupts to support a larger > number of guests. >=20 > Signed-off-by: C=C3=A9dric Le Goater > --- Reviewed-by: Greg Kurz > arch/powerpc/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 5181872f9452..c250fbd430d1 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -66,7 +66,7 @@ config NEED_PER_CPU_PAGE_FIRST_CHUNK > =20 > config NR_IRQS > int "Number of virtual interrupt numbers" > - range 32 32768 > + range 32 1048576 > default "512" > help > This defines the number of virtual interrupt numbers the kernel