From: Andi Kleen <ak@linux.intel.com>
Date: Sat, 30 Mar 2019 00:47:40 +0000 (-0700)
Subject: x86/hyperv: Make hv_vcpu_is_preempted() visible
X-Git-Tag: v5.2-rc1~191^2~1
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=02143c2931c3c0faf088c5859a10de6c2b4f2d96;p=uclinux-h8%2Flinux.git

x86/hyperv: Make hv_vcpu_is_preempted() visible

This function is referrenced from assembler, so it needs to be marked
visible for LTO.

Fixes: 3a025de64bf8 ("x86/hyperv: Enable PV qspinlock for Hyper-V")
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Yi Sun <yi.y.sun@linux.intel.com>
Cc: kys@microsoft.com
Cc: haiyangz@microsoft.com
Link: https://lkml.kernel.org/r/20190330004743.29541-6-andi@firstfloor.org
---

diff --git a/arch/x86/hyperv/hv_spinlock.c b/arch/x86/hyperv/hv_spinlock.c
index a861b0456b1a..07f21a06392f 100644
--- a/arch/x86/hyperv/hv_spinlock.c
+++ b/arch/x86/hyperv/hv_spinlock.c
@@ -56,7 +56,7 @@ static void hv_qlock_wait(u8 *byte, u8 val)
 /*
  * Hyper-V does not support this so far.
  */
-bool hv_vcpu_is_preempted(int vcpu)
+__visible bool hv_vcpu_is_preempted(int vcpu)
 {
 	return false;
 }