Re: [PATCH 2/3] x86/tsc: Define and use HZ_PER_KHZ and KHZ_PER_MHZ

[Thorsten Blum]

On Fri, Oct 09, 2026 at 12:04:35PM +0200, Petr Tesarik wrote:
> The KHZ macro is ambiguous. Sometimes it is used for conversion between Hz
> and KHz, and sometimes for conversion between KHz and MHz. Use two
> different macros to distinguish between them.
> 
> Convert plain 1000 constants to one of the two macros where appropriate.
> 
> No functional change intended.
> 
> Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
> ---
>  arch/x86/kernel/tsc.c | 39 ++++++++++++++++++++-------------------
>  1 file changed, 20 insertions(+), 19 deletions(-)
> 
> diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> index bac81d37a90ce..8b905c4dbefe2 100644
> --- a/arch/x86/kernel/tsc.c
> +++ b/arch/x86/kernel/tsc.c
> @@ -41,7 +41,8 @@ EXPORT_SYMBOL(cpu_khz);
>  unsigned int __read_mostly tsc_khz;
>  EXPORT_SYMBOL(tsc_khz);
>  
> -#define KHZ	1000
> +#define HZ_PER_KHZ	1000
> +#define KHZ_PER_MHZ	1000

These are already defined in linux/units.h.