Re: [PATCH v2 1/9] drivers/char: Add support for Xue USB3 debugger

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Wed, Jul 06, 2022 at 05:32:06PM +0200, Marek Marczykowski-Górecki wrote:
> diff --git a/xen/drivers/char/Kconfig b/xen/drivers/char/Kconfig
> index e5f7b1d8eb8a..d12b2205dafc 100644
> --- a/xen/drivers/char/Kconfig
> +++ b/xen/drivers/char/Kconfig
> @@ -74,3 +74,12 @@ config HAS_EHCI
>       help
>         This selects the USB based EHCI debug port to be used as a UART. If
>         you have an x86 based system with USB, say Y.
> +
> +config HAS_XHCI
> +     bool "XHCI DbC UART driver"
> +     depends on X86
> +     help
> +       This selects the USB based XHCI debug capability to be used as a UART.
> +       Enabling this option makes Xen use extra ~2MB memory, even if XHCI 
> UART

My math sucks here... 58 pages is 232KiB.

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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