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=-12.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 CCFB7C433C1 for ; Wed, 24 Mar 2021 20:39:59 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 6E317619E5 for ; Wed, 24 Mar 2021 20:39:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E317619E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; 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:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CdsBEMoQjSVhC/k5foP+bJrVlCJOO+BclELDnpZ9ZE8=; b=b0xCWOrO4mNyoPfCYhWrH+EKE kBjZJtD16OhfT2d+a8Gkdb/GbYyeDwTH06HXhjayq7xAEGtQ5W7YNkAZ1OISSiDUpd225NZanrhYZ EwdVh9wc3k0B04HriLWDicfmlzGuB0w49iBmkrEGvXLT6EL8XpHEWJHAs5KyDRBjlzyJXkRZ7GiqC rpe3msENM+QlQEBl0Mcu/MsiDJ+UH/poa7EV1Zdf128J7q1a7NlhL9mfKaA7/X8F+prICtgawZvZ/ x04vdxGCFUZflGPVPSY8qqTMDRhkO91UW0xPPdp5C5CZQVtU+fZuQr5b0n3Obt0n0xAMW5jdib9My vmsqu2Mow==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lPAGd-000C07-Vz; Wed, 24 Mar 2021 20:38:16 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lPAGY-000Bzn-BS for linux-arm-kernel@lists.infradead.org; Wed, 24 Mar 2021 20:38:12 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 33602619FF; Wed, 24 Mar 2021 20:38:07 +0000 (UTC) From: Catalin Marinas To: linux-arm-kernel@lists.infradead.org, Mark Rutland , will@kernel.org, linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, marcan@marcan.st, james.morse@arm.com, maz@kernel.org, Arnd Bergmann Subject: Re: [PATCHv3 0/6] arm64: Support FIQ controller registration Date: Wed, 24 Mar 2021 20:38:05 +0000 Message-Id: <161661824615.1255.171177700809172747.b4-ty@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210315115629.57191-1-mark.rutland@arm.com> References: <20210315115629.57191-1-mark.rutland@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210324_203811_126379_AD56D114 X-CRM114-Status: GOOD ( 12.30 ) 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 Mon, 15 Mar 2021 11:56:23 +0000, Mark Rutland wrote: > Hector's M1 support series [1] shows that some platforms have critical > interrupts wired to FIQ, and to support these platforms we need to support > handling FIQ exceptions. Other contemporary platforms don't use FIQ (since e.g. > this is usually routed to EL3), and as we never expect to take an FIQ, we have > the FIQ vector cause a panic. > > Since the use of FIQ is a platform integration detail (which can differ across > bare-metal and virtualized environments), we need be able to explicitly opt-in > to handling FIQs while retaining the existing behaviour otherwise. This series > adds a new set_handle_fiq() hook so that the FIQ controller can do so, and > where no controller is registered the default handler will panic(). For > consistency the set_handle_irq() code is made to do the same. > > [...] Applied to arm64 (for-next/fiq), thanks! [1/6] genirq: Allow architectures to override set_handle_irq() fallback https://git.kernel.org/arm64/c/b0b8b689d78c [2/6] arm64: don't use GENERIC_IRQ_MULTI_HANDLER https://git.kernel.org/arm64/c/338a743640e9 [3/6] arm64: irq: rework root IRQ handler registration https://git.kernel.org/arm64/c/8ff443cebffa [4/6] arm64: entry: factor irq triage logic into macros https://git.kernel.org/arm64/c/9eb563cdabe1 [5/6] arm64: Always keep DAIF.[IF] in sync https://git.kernel.org/arm64/c/f0098155d337 [6/6] arm64: irq: allow FIQs to be handled https://git.kernel.org/arm64/c/3889ba70102e -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel