From: Jack Vogel <jack.vogel@oracle.com>
Date: Mon, 23 Jan 2017 04:36:22 +0000 (-0800)
Subject: Hyper-V Host driver requires apic access
X-Git-Tag: v4.1.12-98.0.20170517_2143~42^2~254
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=eedfd0d5cff2034c714cf694997b95c9c018caf3;p=users%2Fjedix%2Flinux-maple.git

Hyper-V Host driver requires apic access

The port of the Hyper-V PCI host driver to UEK requires its
access to the apic_set_affinity() function, this is due to
backporting issues, and is not something to be carried forward.

Orabug: 25507635
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Signed-off-by: Dhaval Giani <dhaval.giani@oracle.com>
---

diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 6cedd79145813..78497c2e90150 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -373,6 +373,11 @@ int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
 
 	return 0;
 }
+/*
+ *  This export is UEK-only for Hyper-V PCI pass-through driver,
+ *  do not add this function to kABI whitelist.
+ */
+EXPORT_SYMBOL_GPL(apic_set_affinity);
 
 #ifdef CONFIG_SMP
 void send_cleanup_vector(struct irq_cfg *cfg)