Attachment 278791 Details for Bug 393431 – disable_legacy_hpet_replacement_for_kdump

disable_legacy_hpet_replacement_for_kdump

disable_legacy_hpet_replacement_for_kdump.patch (text/plain), 1.80 KB, created by IBM Bug Proxy on 2007-12-05 21:06:05 UTC

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Creator: IBM Bug Proxy

Created: 2007-12-05 21:06:05 UTC

Size: 1.80 KB

patch

obsolete

>commit 0c1b2724069951b1902373e688042b2ec382f68f
>Author: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
>Date:   Mon Dec 3 17:17:10 2007 +0100
>
>    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>
>    Backported-by: Darren Hart <dvhltc@us.ibm.com>
>
>Index: linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/i386/kernel/crash.c
>===================================================================
>--- linux-rt-2.6.21.4-ibmrt1.15-bz40679-view.orig/arch/i386/kernel/crash.c
>+++ linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/i386/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 <asm/kdebug.h>
> #include <asm/smp.h>
> 
>@@ -125,5 +126,8 @@ 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());
> }
>Index: linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/x86_64/kernel/crash.c
>===================================================================
>--- linux-rt-2.6.21.4-ibmrt1.15-bz40679-view.orig/arch/x86_64/kernel/crash.c
>+++ linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/x86_64/kernel/crash.c
>@@ -23,6 +23,7 @@
> #include <asm/nmi.h>
> #include <asm/hw_irq.h>
> #include <asm/mach_apic.h>
>+#include <asm/hpet.h>
> #include <asm/kdebug.h>
> 
> /* This keeps a track of which one is crashing cpu. */
>@@ -125,6 +126,9 @@ void machine_crash_shutdown(struct pt_re
> 		 disable_local_APIC();
> 
> 	disable_IO_APIC();
>+#ifdef CONFIG_HPET_TIMER
>+	hpet_disable();
>+#endif
> 
> 	crash_save_cpu(regs, smp_processor_id());
> }

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Attachments on bug 393431: 268701 | 268711 | 277101 | 278781 | 278791