[tip:x86/platform] x86/hyperv: Make hv_vcpu_is_preempted() visible

[tip-bot for Andi Kleen]

Commit-ID:  02143c2931c3c0faf088c5859a10de6c2b4f2d96
Gitweb:     https://git.kernel.org/tip/02143c2931c3c0faf088c5859a10de6c2b4f2d96
Author:     Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Fri, 29 Mar 2019 17:47:40 -0700
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 19 Apr 2019 17:58:57 +0200

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@xxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx>
Cc: kys@xxxxxxxxxxxxx
Cc: haiyangz@xxxxxxxxxxxxx
Link: https://lkml.kernel.org/r/20190330004743.29541-6-andi@xxxxxxxxxxxxxx

---
 arch/x86/hyperv/hv_spinlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
 }