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SubjectRe: 2.6.9-rc4-mm1 HPET compile problems on AMD64
Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
> I get following error while linking kernel on 2.6.9-rc4-mm1.
> x86_64/kernel/time.c seems to have a dependency on char/hpet.c
> driver. Its forcing me to use CONFIG_HPET.
>
> LD .tmp_vmlinux1
> arch/x86_64/kernel/built-in.o(.init.text+0x2071): In function
> `late_hpet_init':
> arch/x86_64/kernel/entry.S:259: undefined reference to `hpet_alloc'
> make: *** [.tmp_vmlinux1] Error 1
>
> ...
>
> [hpet_alloc_fix.patch text/plain (638 bytes)]
> --- linux.org/arch/x86_64/kernel/time.c 2004-10-11 09:17:15.613107488 -0700
> +++ linux/arch/x86_64/kernel/time.c 2004-10-11 09:14:05.983935504 -0700
> @@ -727,6 +727,7 @@ static unsigned int __init pit_calibrate
> return (end - start) / 50;
> }
>
> +#ifdef CONFIG_HPET
> static __init int late_hpet_init(void)
> {
> struct hpet_data hd;
> @@ -773,6 +774,7 @@ static __init int late_hpet_init(void)
> return 0;
> }
> fs_initcall(late_hpet_init);
> +#endif

I assume you have CONFIG_HPET=n and CONFIG_HPET_TIMER=n?

Andi, what's going on here? Should the hpet functions in
arch/x86_64/kernel/time.c be inside CONFIG_HPET_TIMER?

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