linux-kernel - [tip:x86/apic] x86/irq: Move check of cfg-> move_in_progress into send_cleanup

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Date:	Fri, 24 Apr 2015 09:01:50 -0700
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux@...elenboom.it, bp@...en8.de, linux-kernel@...r.kernel.org,
	jroedel@...e.de, gregkh@...uxfoundation.org, rdunlap@...radead.org,
	yinghai@...nel.org, sivanich@....com, david.vrabel@...rix.com,
	joro@...tes.org, tony.luck@...el.com,
	david.a.cohen@...ux.intel.com, hpa@...or.com, tglx@...utronix.de,
	bhelgaas@...gle.com, mingo@...nel.org, benh@...nel.crashing.org,
	rjw@...ysocki.net, jiang.liu@...ux.intel.com,
	konrad.wilk@...cle.com
Subject: [tip:x86/apic] x86/irq: Move check of cfg->
 move_in_progress into send_cleanup_vector()

Commit-ID:  c6c2002b744215810c770dd73f45da954bcfa9d5
Gitweb:     http://git.kernel.org/tip/c6c2002b744215810c770dd73f45da954bcfa9d5
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Tue, 14 Apr 2015 10:30:02 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 24 Apr 2015 15:36:54 +0200

x86/irq: Move check of cfg->move_in_progress into send_cleanup_vector()

Move check of cfg->move_in_progress into send_cleanup_vector() to
prepare for simplifying struct irq_cfg.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Tested-by: Joerg Roedel <jroedel@...e.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: David Cohen <david.a.cohen@...ux.intel.com>
Cc: Sander Eikelenboom <linux@...elenboom.it>
Cc: David Vrabel <david.vrabel@...rix.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: iommu@...ts.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Dimitri Sivanich <sivanich@....com>
Cc: Joerg Roedel <joro@...tes.org>
Link: http://lkml.kernel.org/r/1428978610-28986-26-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/apic/vector.c       | 10 ++++++++--
 arch/x86/platform/uv/uv_irq.c       |  3 +--
 drivers/iommu/amd_iommu.c           |  3 +--
 drivers/iommu/intel_irq_remapping.c |  3 +--
 4 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 1aea62d..0092a6e 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -494,7 +494,7 @@ static struct irq_chip lapic_controller = {
 };
 
 #ifdef CONFIG_SMP
-void send_cleanup_vector(struct irq_cfg *cfg)
+static void __send_cleanup_vector(struct irq_cfg *cfg)
 {
 	cpumask_var_t cleanup_mask;
 
@@ -512,6 +512,12 @@ void send_cleanup_vector(struct irq_cfg *cfg)
 	cfg->move_in_progress = 0;
 }
 
+void send_cleanup_vector(struct irq_cfg *cfg)
+{
+	if (cfg->move_in_progress)
+		__send_cleanup_vector(cfg);
+}
+
 asmlinkage __visible void smp_irq_move_cleanup_interrupt(void)
 {
 	unsigned vector, me;
@@ -582,7 +588,7 @@ static void __irq_complete_move(struct irq_cfg *cfg, unsigned vector)
 	me = smp_processor_id();
 
 	if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
-		send_cleanup_vector(cfg);
+		__send_cleanup_vector(cfg);
 }
 
 void irq_complete_move(struct irq_cfg *cfg)
diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c
index 54af6e3..091b36a 100644
--- a/arch/x86/platform/uv/uv_irq.c
+++ b/arch/x86/platform/uv/uv_irq.c
@@ -63,8 +63,7 @@ uv_set_irq_affinity(struct irq_data *data, const struct cpumask *mask,
 	ret = parent->chip->irq_set_affinity(parent, mask, force);
 	if (ret >= 0) {
 		uv_program_mmr(cfg, data->chip_data);
-		if (cfg->move_in_progress)
-			send_cleanup_vector(cfg);
+		send_cleanup_vector(cfg);
 	}
 
 	return ret;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b5d903c..cbe8c1f 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4327,8 +4327,7 @@ static int amd_ir_set_affinity(struct irq_data *data,
 	 * at the new destination. So, time to cleanup the previous
 	 * vector allocation.
 	 */
-	if (cfg->move_in_progress)
-		send_cleanup_vector(cfg);
+	send_cleanup_vector(cfg);
 
 	return IRQ_SET_MASK_OK_DONE;
 }
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 34642d3..14d9569 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1003,8 +1003,7 @@ intel_ir_set_affinity(struct irq_data *data, const struct cpumask *mask,
 	 * at the new destination. So, time to cleanup the previous
 	 * vector allocation.
 	 */
-	if (cfg->move_in_progress)
-		send_cleanup_vector(cfg);
+	send_cleanup_vector(cfg);
 
 	return IRQ_SET_MASK_OK_DONE;
 }
--
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