From 02143c2931c3c0faf088c5859a10de6c2b4f2d96 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Fri, 29 Mar 2019 17:47:40 -0700 Subject: [PATCH] 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 Signed-off-by: Thomas Gleixner Reviewed-by: Yi Sun Cc: kys@microsoft.com Cc: haiyangz@microsoft.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; }