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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 A4F58FA372C for ; Fri, 8 Nov 2019 14:44:20 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 56689214DB for ; Fri, 8 Nov 2019 14:44:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qhsAcGTF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56689214DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=Hx1mIc1BRuUcKA0SJUTqRoFvuWy+8iRptlT4mLp2bSg=; b=qhsAcGTF3q3PwyNiuqRtjnOKdy TbSRRR/wWUt5zUIKzME75oiqyJ6jTdA27wONi8ntmftN3mK0Am1LcTvliYbUhXGNSW/u5NSVNXdb0 7X3tx7zFBTocP/JbPny0WB8qtQGWvXwlQ4uBNNxaSkZyhl8Wf8sQhg5RafGr7+j4uJEQnFlsqf2dR 10ESizGvQma5VJxqRJdA6CHv2rwmxKCIm0azYKE11PNnNjgCEh2mtPXRuFZZ2LherrkMNxR6YdPCW KNYMtq2O6BCLlWh633G5uI2B9mXbWLPNiLs2SkgxSBIJCntoeaaljFywenM+5IohpVTa14656OKyA JLA6MVUA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iT5Up-0000Q8-1x; Fri, 08 Nov 2019 14:44:19 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iT5TW-0007eC-2k for linux-arm-kernel@lists.infradead.org; Fri, 08 Nov 2019 14:42:59 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 35BC7DA7; Fri, 8 Nov 2019 06:42:57 -0800 (PST) Received: from donnerap.arm.com (donnerap.cambridge.arm.com [10.1.197.44]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 187D13F719; Fri, 8 Nov 2019 06:42:55 -0800 (PST) From: Andre Przywara To: Andrew Jones , Paolo Bonzini Subject: [kvm-unit-tests PATCH 05/17] arm: gic: Prepare IRQ handler for handling SPIs Date: Fri, 8 Nov 2019 14:42:28 +0000 Message-Id: <20191108144240.204202-6-andre.przywara@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191108144240.204202-1-andre.przywara@arm.com> References: <20191108144240.204202-1-andre.przywara@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191108_064258_187866_FC2A5056 X-CRM114-Status: GOOD ( 11.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marc Zyngier , Alexandru Elisei , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org So far our IRQ handler routine checks that the received IRQ is actually the one SGI (IPI) that we are using for our testing. To make the IRQ testing routine more versatile, also allow the IRQ to be one test SPI (shared interrupt). We use the penultimate IRQ of the first SPI group for that purpose. Signed-off-by: Andre Przywara --- arm/gic.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arm/gic.c b/arm/gic.c index eca9188..c909668 100644 --- a/arm/gic.c +++ b/arm/gic.c @@ -23,6 +23,7 @@ #define IPI_SENDER 1 #define IPI_IRQ 1 +#define SPI_IRQ (GIC_FIRST_SPI + 30) struct gic { struct { @@ -162,8 +163,12 @@ static void irq_handler(struct pt_regs *regs __unused) smp_rmb(); /* pairs with wmb in stats_reset */ ++acked[smp_processor_id()]; - check_ipi_sender(irqstat); - check_irqnr(irqnr, IPI_IRQ); + if (irqnr < GIC_NR_PRIVATE_IRQS) { + check_ipi_sender(irqstat); + check_irqnr(irqnr, IPI_IRQ); + } else { + check_irqnr(irqnr, SPI_IRQ); + } smp_wmb(); /* pairs with rmb in check_acked */ } -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel