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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 876A9C4332F for ; Fri, 15 Dec 2023 16:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Xzh6d1PnMN+9Fr+G/vmtB21iHeOiOp69FiKxSx92mhg=; b=FoYIgEp3qagBm5 5j/QV0N9JJTIto8f8l0i1wtB2cB7/yg9RxTVRkJCq8gMBw1SiyyXb3bg8yv2Q8FHPsJTbD+bJXdja tV+4eWGR7HE1Nr65poekZeoF3i6qdBui+aup3uFAvIkutcNrwOayjclR4bI0W/MmCn72CDCKLpq0H 09jq3LkC/qbGIPI5ZmjkXGqCCad1T6T9+sj0RAlYEdyKjuxA69ptzuPPEzw5nquswHAx/CFds9c7E L1SHRyX1f7nnTlHIk+MXU9JbL6h/sBnTnLsxjFSuQJnIqD+1+trFSzf8Nk7thIjsFrpOXD7p52u5b 2LhChq2FT7ro/aN3HQAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rEAyT-003rHb-0v; Fri, 15 Dec 2023 16:23:41 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rEAyP-003rFA-0u; Fri, 15 Dec 2023 16:23:40 +0000 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4SsDxL0Fk9z67LyQ; Sat, 16 Dec 2023 00:21:26 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id DD5831400D4; Sat, 16 Dec 2023 00:23:24 +0800 (CST) Received: from localhost (10.202.227.76) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 15 Dec 2023 16:23:24 +0000 Date: Fri, 15 Dec 2023 16:23:22 +0000 From: Jonathan Cameron To: "Russell King (Oracle)" CC: , , , , , , , , , , , , , , Salil Mehta , Jean-Philippe Brucker , , , James Morse , Lorenzo Pieralisi Subject: Re: [PATCH RFC v3 13/21] ACPICA: Add new MADT GICC flags fields Message-ID: <20231215162322.00007391@Huawei.com> In-Reply-To: References: Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 X-Originating-IP: [10.202.227.76] X-ClientProxiedBy: lhrpeml500003.china.huawei.com (7.191.162.67) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231215_082337_459124_82D3F0AF X-CRM114-Status: GOOD ( 15.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 13 Dec 2023 12:50:18 +0000 Russell King (Oracle) wrote: > From: James Morse > > Add the new flag field to the MADT's GICC structure. > > 'Online Capable' indicates a disabled CPU can be enabled later. See > ACPI specification 6.5 Tabel 5.37: GICC CPU Interface Flags. > > Signed-off-by: James Morse > Tested-by: Miguel Luis > Tested-by: Vishnu Pajjuri > Tested-by: Jianyong Wu > Signed-off-by: Russell King (Oracle) I see there is an acpica pull request including this bit but with a different name For reference. https://github.com/acpica/acpica/pull/914/commits/453a5f67567786522021d5f6913f561f8b3cabf6 +CC Lorenzo who submitted that. > --- > This patch probably needs to go via the upstream acpica project, > but is included here so the feature can be tested. > > If the ACPICA header files are updated before merging this patch set, > this patch will need to be dropped. > > Changes since RFC v2: > * Add ACPI specification reference. > --- > include/acpi/actbl2.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > index 3751ae69432f..c433a079d8e1 100644 > --- a/include/acpi/actbl2.h > +++ b/include/acpi/actbl2.h > @@ -1046,6 +1046,7 @@ struct acpi_madt_generic_interrupt { > /* ACPI_MADT_ENABLED (1) Processor is usable if set */ > #define ACPI_MADT_PERFORMANCE_IRQ_MODE (1<<1) /* 01: Performance Interrupt Mode */ > #define ACPI_MADT_VGIC_IRQ_MODE (1<<2) /* 02: VGIC Maintenance Interrupt mode */ > +#define ACPI_MADT_GICC_CPU_CAPABLE (1<<3) /* 03: CPU is online capable */ ACPI_MADT_GICC_ONLINE_CAPABLE > > /* 12: Generic Distributor (ACPI 5.0 + ACPI 6.0 changes) */ > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel