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authorAkinobu Mita <akinobu.mita@gmail.com>2008-04-19 10:55:11 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-26 11:35:47 -0400
commit5d47a271f38cf2ba7299047ad0bf3ac7e4c4a214 (patch)
tree7d48099f14dd85584b532c59a57283255e6901da /arch/x86
parent562b80bafffaf42a6d916b0a2ee3d684220a1c10 (diff)
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/mpparse.c4
1 files changed, 1 insertions, 3 deletions
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)
686static int __init smp_scan_config(unsigned long base, unsigned long length, 686static int __init smp_scan_config(unsigned long base, unsigned long length,
687 unsigned reserve) 687 unsigned reserve)
688{ 688{
689 extern void __bad_mpf_size(void);
690 unsigned int *bp = phys_to_virt(base); 689 unsigned int *bp = phys_to_virt(base);
691 struct intel_mp_floating *mpf; 690 struct intel_mp_floating *mpf;
692 691
693 Dprintk("Scan SMP from %p for %ld bytes.\n", bp, length); 692 Dprintk("Scan SMP from %p for %ld bytes.\n", bp, length);
694 if (sizeof(*mpf) != 16) 693 BUILD_BUG_ON(sizeof(*mpf) != 16);
695 __bad_mpf_size();
696 694
697 while (length > 0) { 695 while (length > 0) {
698 mpf = (struct intel_mp_floating *)bp; 696 mpf = (struct intel_mp_floating *)bp;