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[50.57.142.19]) by mx.google.com with ESMTPS id v10si935336qat.93.2014.04.08.07.45.48 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 08 Apr 2014 07:45:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of xen-devel-bounces@lists.xen.org designates 50.57.142.19 as permitted sender) client-ip=50.57.142.19; Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WXXGG-0000Gc-Ag; Tue, 08 Apr 2014 14:44:28 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WXXGD-0000Cb-4v for xen-devel@lists.xenproject.org; Tue, 08 Apr 2014 14:44:25 +0000 Received: from [85.158.139.211:18277] by server-14.bemta-5.messagelabs.com id E8/03-15696-84B04435; Tue, 08 Apr 2014 14:44:24 +0000 X-Env-Sender: julien.grall@linaro.org X-Msg-Ref: server-5.tower-206.messagelabs.com!1396968263!3285659!1 X-Originating-IP: [74.125.83.42] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.1; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12166 invoked from network); 8 Apr 2014 14:44:23 -0000 Received: from mail-ee0-f42.google.com (HELO mail-ee0-f42.google.com) (74.125.83.42) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 8 Apr 2014 14:44:23 -0000 Received: by mail-ee0-f42.google.com with SMTP id d17so767338eek.15 for ; Tue, 08 Apr 2014 07:44:23 -0700 (PDT) X-Received: by 10.14.87.201 with SMTP id y49mr3573711eee.62.1396968263249; Tue, 08 Apr 2014 07:44:23 -0700 (PDT) Received: from belegaer.uk.xensource.com ([185.25.64.249]) by mx.google.com with ESMTPSA id m42sm5031709eex.21.2014.04.08.07.44.22 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Apr 2014 07:44:22 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 8 Apr 2014 15:43:58 +0100 Message-Id: <1396968247-8768-10-git-send-email-julien.grall@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1396968247-8768-1-git-send-email-julien.grall@linaro.org> References: <1396968247-8768-1-git-send-email-julien.grall@linaro.org> Cc: stefano.stabellini@citrix.com, Julien Grall , tim@xen.org, ian.campbell@citrix.com Subject: [Xen-devel] [PATCH v3 09/18] xen/arm: IRQ Introduce irq_get_domain X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: julien.grall@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.128.169 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Archive: This function retrieves a domain from an IRQ. It will be used in several places (such as do_IRQ) to avoid duplicated code when multiple action will be supported. Signed-off-by: Julien Grall Acked-by: Ian Campbell --- Changes in v2: - Patch added --- xen/arch/arm/irq.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c index bb4e049..9320ac7 100644 --- a/xen/arch/arm/irq.c +++ b/xen/arch/arm/irq.c @@ -98,6 +98,15 @@ void __cpuinit init_secondary_IRQ(void) BUG_ON(init_local_irq_data() < 0); } +static inline struct domain *irq_get_domain(struct irq_desc *desc) +{ + ASSERT(spin_is_locked(&desc->lock)); + ASSERT(desc->status & IRQ_GUEST); + ASSERT(desc->action != NULL); + + return desc->action->dev_id; +} + int request_dt_irq(const struct dt_irq *irq, void (*handler)(int, void *, struct cpu_user_regs *), const char *devname, void *dev_id) @@ -156,7 +165,7 @@ void do_IRQ(struct cpu_user_regs *regs, unsigned int irq, int is_fiq) if ( desc->status & IRQ_GUEST ) { - struct domain *d = action->dev_id; + struct domain *d = irq_get_domain(desc); desc->handler->end(desc);