Re: [PATCH] x86: fix compile warning building withoutCONFIG_SYSCTL

From: Thomas Gleixner
Date: Sun Feb 17 2008 - 08:57:03 EST


On Sun, 3 Feb 2008, Li Zefan wrote:

> building without CONFIG_SYSCTL:
>
> arch/x86/kernel/nmi_64.c:50: warning: 'unknown_nmi_panic_callback' declared 'static' but never defined
>
> This patch also fixes nmi_32.c
>
> Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>

Applied. Thanks,

tglx

> ---
> arch/x86/kernel/nmi_32.c | 21 +++++++++------------
> arch/x86/kernel/nmi_64.c | 21 +++++++++------------
> 2 files changed, 18 insertions(+), 24 deletions(-)
>
> diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c
> index edd4136..6a0aa70 100644
> --- a/arch/x86/kernel/nmi_32.c
> +++ b/arch/x86/kernel/nmi_32.c
> @@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
>
> static DEFINE_PER_CPU(short, wd_enabled);
>
> -/* local prototypes */
> -static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
> -
> static int endflag __initdata = 0;
>
> #ifdef CONFIG_SMP
> @@ -391,15 +388,6 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
> return rc;
> }
>
> -int do_nmi_callback(struct pt_regs * regs, int cpu)
> -{
> -#ifdef CONFIG_SYSCTL
> - if (unknown_nmi_panic)
> - return unknown_nmi_panic_callback(regs, cpu);
> -#endif
> - return 0;
> -}
> -
> #ifdef CONFIG_SYSCTL
>
> static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
> @@ -453,6 +441,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
>
> #endif
>
> +int do_nmi_callback(struct pt_regs *regs, int cpu)
> +{
> +#ifdef CONFIG_SYSCTL
> + if (unknown_nmi_panic)
> + return unknown_nmi_panic_callback(regs, cpu);
> +#endif
> + return 0;
> +}
> +
> void __trigger_all_cpu_backtrace(void)
> {
> int i;
> diff --git a/arch/x86/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c
> index fb99484..9a4fde7 100644
> --- a/arch/x86/kernel/nmi_64.c
> +++ b/arch/x86/kernel/nmi_64.c
> @@ -46,9 +46,6 @@ static unsigned int nmi_hz = HZ;
>
> static DEFINE_PER_CPU(short, wd_enabled);
>
> -/* local prototypes */
> -static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
> -
> /* Run after command line and cpu_init init, but before all other checks */
> void nmi_watchdog_default(void)
> {
> @@ -394,15 +391,6 @@ asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code)
> nmi_exit();
> }
>
> -int do_nmi_callback(struct pt_regs * regs, int cpu)
> -{
> -#ifdef CONFIG_SYSCTL
> - if (unknown_nmi_panic)
> - return unknown_nmi_panic_callback(regs, cpu);
> -#endif
> - return 0;
> -}
> -
> void stop_nmi(void)
> {
> acpi_nmi_disable();
> @@ -464,6 +452,15 @@ int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
>
> #endif
>
> +int do_nmi_callback(struct pt_regs *regs, int cpu)
> +{
> +#ifdef CONFIG_SYSCTL
> + if (unknown_nmi_panic)
> + return unknown_nmi_panic_callback(regs, cpu);
> +#endif
> + return 0;
> +}
> +
> void __trigger_all_cpu_backtrace(void)
> {
> int i;
> --
> 1.5.4.rc3
> --
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