From mboxrd@z Thu Jan 1 00:00:00 1970 From: julien.thierry@arm.com (Julien Thierry) Date: Fri, 13 Oct 2017 12:26:44 +0100 Subject: [RESEND PATCH 1/2] irqdesc: Add function to identify percpu_devid irqs In-Reply-To: <1507894005-53778-1-git-send-email-julien.thierry@arm.com> References: <1507894005-53778-1-git-send-email-julien.thierry@arm.com> Message-ID: <1507894005-53778-2-git-send-email-julien.thierry@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org irq_is_percpu indicates whether an irq should only target a single cpu. PERCPU_DEVID flag indicates that an irq can be configured differently on each cpu it can target. Provide a function to check whether an irq is PERCPU_DEVID. Signed-off-by: Julien Thierry Cc: Thomas Gleixner Cc: Marc Zyngier --- include/linux/irqdesc.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 3e90a09..93960cf 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -244,6 +244,14 @@ static inline int irq_is_percpu(unsigned int irq) return desc->status_use_accessors & IRQ_PER_CPU; } +static inline int irq_is_percpu_devid(unsigned int irq) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + return desc->status_use_accessors & IRQ_PER_CPU_DEVID; +} + static inline void irq_set_lockdep_class(unsigned int irq, struct lock_class_key *class) { -- 1.9.1