x86: disable hpet legacy replacement for kdump

we should also add hpet_disable() for kdump.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 8bb482ff091b..9a5fa0abfcc7 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -22,6 +22,7 @@
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
+#include <asm/hpet.h>
 #include <linux/kdebug.h>
 #include <asm/smp.h>
 
@@ -140,5 +141,8 @@ void machine_crash_shutdown(struct pt_regs *regs)
 #if defined(CONFIG_X86_IO_APIC)
         disable_IO_APIC();
 #endif
+#ifdef CONFIG_HPET_TIMER
+        hpet_disable();
+#endif
         crash_save_cpu(regs, safe_smp_processor_id());
 }