linux-kernel - [tip:x86/platform] x86/hyperv: Make hv_vcpu_is

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Date:   Fri, 19 Apr 2019 09:04:03 -0700
From:   tip-bot for Andi Kleen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mingo@...nel.org, tglx@...utronix.de,
        ak@...ux.intel.com, yi.y.sun@...ux.intel.com, hpa@...or.com
Subject: [tip:x86/platform] x86/hyperv: Make hv_vcpu_is_preempted() visible

Commit-ID:  02143c2931c3c0faf088c5859a10de6c2b4f2d96
Gitweb:     https://git.kernel.org/tip/02143c2931c3c0faf088c5859a10de6c2b4f2d96
Author:     Andi Kleen <ak@...ux.intel.com>
AuthorDate: Fri, 29 Mar 2019 17:47:40 -0700
Committer:  Thomas Gleixner <tglx@...utronix.de>
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@...ux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Yi Sun <yi.y.sun@...ux.intel.com>
Cc: kys@...rosoft.com
Cc: haiyangz@...rosoft.com
Link: https://lkml.kernel.org/r/20190330004743.29541-6-andi@firstfloor.org

---
 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;
 }