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Subject[PATCH] x86: disable hpet legacy replacement for kdump
Date
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> writes:

> This seems to introduced after 2.6.23, so if possible, I'd like to fix
> before 2.6.24. What do you think the following?

The following patch fixes the kdump path. Please apply.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


[PATCH] x86: disable hpet legacy replacement for kexec

Like the above patch, we should also add hpet_disable() for kdump.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
arch/x86/kernel/crash.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN arch/x86/kernel/crash.c~kdump-need-to-disable-hpet arch/x86/kernel/crash.c
--- linux-2.6/arch/x86/kernel/crash.c~kdump-need-to-disable-hpet 2007-11-29 12:21:55.000000000 +0900
+++ linux-2.6-hirofumi/arch/x86/kernel/crash.c 2007-11-29 12:34:21.000000000 +0900
@@ -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_re
#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());
}
_

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