linux-kernel - [tip:irq/core] genirq: Add send_ipi callbacks to irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 25 Feb 2016 02:03:17 -0800
From:	tip-bot for Qais Yousef <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	lisa.parratt@...tec.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org, qais.yousef@...tec.com,
	marc.zyngier@....com, ralf@...ux-mips.org,
	jiang.liu@...ux.intel.com, hpa@...or.com,
	linux-mips@...ux-mips.org, jason@...edaemon.net,
	qsyousef@...il.com, mingo@...nel.org
Subject: [tip:irq/core] genirq: Add send_ipi callbacks to irq_chip

Commit-ID:  34dc1ae101018dbb50e1d04e88aa89052802a7db
Gitweb:     http://git.kernel.org/tip/34dc1ae101018dbb50e1d04e88aa89052802a7db
Author:     Qais Yousef <qais.yousef@...tec.com>
AuthorDate: Tue, 8 Dec 2015 13:20:21 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 25 Feb 2016 10:56:57 +0100

genirq: Add send_ipi callbacks to irq_chip

Introduce the new callbacks which can be used by the core code to implement a
generic IPI send mechanism.

Signed-off-by: Qais Yousef <qais.yousef@...tec.com>
Cc: <jason@...edaemon.net>
Cc: <marc.zyngier@....com>
Cc: <jiang.liu@...ux.intel.com>
Cc: <ralf@...ux-mips.org>
Cc: <linux-mips@...ux-mips.org>
Cc: <lisa.parratt@...tec.com>
Cc: Qais Yousef <qsyousef@...il.com>
Link: http://lkml.kernel.org/r/1449580830-23652-11-git-send-email-qais.yousef@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/irq.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 10273dc..3b3a5b8 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -347,6 +347,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
  * @irq_get_irqchip_state:	return the internal state of an interrupt
  * @irq_set_irqchip_state:	set the internal state of a interrupt
  * @irq_set_vcpu_affinity:	optional to target a vCPU in a virtual machine
+ * @ipi_send_single:	send a single IPI to destination cpus
+ * @ipi_send_mask:	send an IPI to destination cpus in cpumask
  * @flags:		chip specific flags
  */
 struct irq_chip {
@@ -391,6 +393,9 @@ struct irq_chip {
 
 	int		(*irq_set_vcpu_affinity)(struct irq_data *data, void *vcpu_info);
 
+	void		(*ipi_send_single)(struct irq_data *data, unsigned int cpu);
+	void		(*ipi_send_mask)(struct irq_data *data, const struct cpumask *dest);
+
 	unsigned long	flags;
 };