Re: [PATCH] tty: n_tty: convert the full VTIME interval to jiffies
From: Greg KH
Date: Thu Oct 29 2026 - 03:04:18 EST
On Wed, Oct 28, 2026 at 11:38:28PM -0700, Hungyu Lin wrote:
> > What real system uses HZ=128 ?
> >
> > In other words, is this a real issue at all?
>
> AT91RM9200, for example. arch/arm/Kconfig fixes HZ to 128 when
> CONFIG_SOC_AT91RM9200 is enabled.
>
> OpenWrt also uses HZ=128 for its at91/sam9x target; see
> target/linux/at91/sam9x/config-6.18. It publishes images for
> SAM9X60-EK and AT91SAM9G20-EK, among other boards.
Ok, and has it ever reported problems with this rounding error? This is
very old code, changing it needs to be done only if an issue is actually
noticed as it might be relied on, right?
thanks,
greg k-h