From cfebd0077f3fc083cc139d7851e2068d058a89dd Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 8 Aug 2023 15:04:04 -0700
Subject: x86/apic: Consolidate wait_icr_idle() implementations

Two copies and also needlessly public. Move it into ipi.c so it can be
inlined. Rename it to apic_mem_wait_icr_idle().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
---
 arch/x86/kernel/apic/apic.c | 6 ------
 1 file changed, 6 deletions(-)

(limited to 'arch/x86/kernel/apic/apic.c')

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 4ee95cb2178e..ab26a616f710 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -240,12 +240,6 @@ static void __init apic_disable(void)
 	apic = &apic_noop;
 }
 
-void native_apic_wait_icr_idle(void)
-{
-	while (apic_read(APIC_ICR) & APIC_ICR_BUSY)
-		cpu_relax();
-}
-
 u32 native_safe_apic_wait_icr_idle(void)
 {
 	u32 send_status;
-- 
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