From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Sat, 19 Apr 2008 14:55:11 +0000 (+0900)
Subject: x86: use BUILD_BUG_ON() for the size of struct intel_mp_floating
X-Git-Tag: firefly_0821_release~21522^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5d47a271f38cf2ba7299047ad0bf3ac7e4c4a214;p=firefly-linux-kernel-4.4.55.git

x86: use BUILD_BUG_ON() for the size of struct intel_mp_floating

Use BUILD_BUG_ON() instead of compile-time error technique with
extern non-exsistent function.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 70744e344fa1..101b13cab689 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -686,13 +686,11 @@ void __init get_smp_config(void)
 static int __init smp_scan_config(unsigned long base, unsigned long length,
 				  unsigned reserve)
 {
-	extern void __bad_mpf_size(void);
 	unsigned int *bp = phys_to_virt(base);
 	struct intel_mp_floating *mpf;
 
 	Dprintk("Scan SMP from %p for %ld bytes.\n", bp, length);
-	if (sizeof(*mpf) != 16)
-		__bad_mpf_size();
+	BUILD_BUG_ON(sizeof(*mpf) != 16);
 
 	while (length > 0) {
 		mpf = (struct intel_mp_floating *)bp;