From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: [PATCH v3 2/9] clocksource: arm_arch_timer: Extend arch_timer_kvm_info to get the virtual IRQ Date: Tue, 8 Mar 2016 11:29:26 +0000 Message-ID: <1457436573-6180-3-git-send-email-julien.grall@arm.com> References: <1457436573-6180-1-git-send-email-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 7F28249AF5 for ; Tue, 8 Mar 2016 06:30:19 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id o-8fcuhJoT1E for ; Tue, 8 Mar 2016 06:30:18 -0500 (EST) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4EF2D49B3B for ; Tue, 8 Mar 2016 06:30:18 -0500 (EST) In-Reply-To: <1457436573-6180-1-git-send-email-julien.grall@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: kvmarm@lists.cs.columbia.edu Cc: al.stone@linaro.org, kvm@vger.kernel.org, marc.zyngier@arm.com, Daniel Lezcano , linux-kernel@vger.kernel.org, fu.wei@linaro.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu Currently, the firmware table is parsed by the virtual timer code in order to retrieve the virtual timer interrupt. However, this is already done by the arch timer driver. To avoid code duplication, extend arch_timer_kvm_info to get the virtual IRQ. Note that the KVM code will be modified in a subsequent patch. Signed-off-by: Julien Grall --- Cc: Daniel Lezcano Cc: Thomas Gleixner Cc: Marc Zyngier Changes in v3: - Move the KVM changes in a separate patch and rename the patch - Move the initialization of the virtual_irq to arch_timer_common_init --- drivers/clocksource/arm_arch_timer.c | 2 ++ include/clocksource/arm_arch_timer.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index b7ab588..d8887f3 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -701,6 +701,8 @@ static void __init arch_timer_common_init(void) arch_timer_banner(arch_timers_present); arch_counter_register(arch_timers_present); arch_timer_arch_init(); + + arch_timer_kvm_info.virtual_irq = arch_timer_ppi[VIRT_PPI]; } static void __init arch_timer_init(void) diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h index 9101ed6b..9dd996a 100644 --- a/include/clocksource/arm_arch_timer.h +++ b/include/clocksource/arm_arch_timer.h @@ -51,6 +51,7 @@ enum arch_timer_reg { struct arch_timer_kvm_info { struct timecounter timecounter; + int virtual_irq; }; #ifdef CONFIG_ARM_ARCH_TIMER -- 1.9.1