Re: [PATCH] x86/Hyper-V: Fix build error with CONFIG_HYPERV_TSCPAGE=N

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lantianyu1986@xxxxxxxxx writes:

> From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
>
> Both Hyper-V tsc page and Hyper-V tsc MSR code use variable
> hv_sched_clock_offset for their sched clock callback and so
> define the variable regardless of CONFIG_HYPERV_TSCPAGE setting.

CONFIG_HYPERV_TSCPAGE is gone after my "x86/hyper-v: enable TSC page
clocksource on 32bit" patch. Do we still have an issue to fix?

>
> Signed-off-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
> ---
> This patch is based on the top of "git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
> timers/core".
>
>  drivers/clocksource/hyperv_timer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
> index dad8af198e20..c322ab4d3689 100644
> --- a/drivers/clocksource/hyperv_timer.c
> +++ b/drivers/clocksource/hyperv_timer.c
> @@ -22,6 +22,7 @@
>  #include <asm/mshyperv.h>
>  
>  static struct clock_event_device __percpu *hv_clock_event;
> +static u64 hv_sched_clock_offset __ro_after_init;
>  
>  /*
>   * If false, we're using the old mechanism for stimer0 interrupts
> @@ -215,7 +216,6 @@ EXPORT_SYMBOL_GPL(hyperv_cs);
>  #ifdef CONFIG_HYPERV_TSCPAGE
>  
>  static struct ms_hyperv_tsc_page tsc_pg __aligned(PAGE_SIZE);
> -static u64 hv_sched_clock_offset __ro_after_init;
>  
>  struct ms_hyperv_tsc_page *hv_get_tsc_page(void)
>  {

-- 
Vitaly



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