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SubjectRe: linux-next: Tree for December 10 (x86 nmi_watchdog)
On 12/13/10 07:37, Don Zickus wrote:
> On Sun, Dec 12, 2010 at 11:27:02AM +0600, Rakib Mullick wrote:
>> On Fri, Dec 10, 2010 at 11:25 PM, Randy Dunlap <randy.dunlap@oracle.com> wrote:
>>> On Fri, 10 Dec 2010 13:57:46 +1100 Stephen Rothwell wrote:
>>>
>>>> Hi all,
>>>>
>>>> Changes since 20101209:
>>>
>>>
>>> arch/x86/kernel/apic/hw_nmi.c:28: error: redefinition of 'touch_nmi_watchdog'
>>> include/linux/nmi.h:22: note: previous definition of 'touch_nmi_watchdog' was here
>>>
>> Hello Randy,
>>
>> Please checkout the following patch. Does it work?
>
> This fixes the problem. Sorry about that. I need to remember to try more
> random config options to catch these things.
> ----8<---
>
> From: Don Zickus <dzickus@redhat.com>
> Date: Mon, 13 Dec 2010 10:31:58 -0500
> Subject: [PATCH] x86, watchdog: Compile fix when CONFIG_LOCAL_APIC not enabled
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> When adjusting the code to handle removing the old nmi watchdog,
> I forgot to consider the compile case when the local apic is not
> enabled. This small change fixes the compile warning:
>
> arch/x86/kernel/apic/hw_nmi.c:28:6: error: redefinition of ‘touch_nmi_watchdog’
>
> Signed-off-by: Don Zickus <dzickus@redhat.com>

Acked-by: Randy Dunlap <randy.dunlap@oracle.com>

Thanks.

> ---
> arch/x86/kernel/apic/hw_nmi.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
> index c558e11..93da91d 100644
> --- a/arch/x86/kernel/apic/hw_nmi.c
> +++ b/arch/x86/kernel/apic/hw_nmi.c
> @@ -17,6 +17,7 @@
> #include <linux/nmi.h>
> #include <linux/module.h>
>
> +#ifdef ARCH_HAS_NMI_WATCHDOG
> #ifdef CONFIG_HARDLOCKUP_DETECTOR
> u64 hw_nmi_get_sample_period(void)
> {
> @@ -31,6 +32,8 @@ void touch_nmi_watchdog(void)
> }
> EXPORT_SYMBOL(touch_nmi_watchdog);
> #endif
> +#endif
> +
> #ifdef arch_trigger_all_cpu_backtrace
> /* For reliability, we're prepared to waste bits here. */
> static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;


--
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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