Re: [PATCH 0/3] RISC-V SBI earlycon

[Andreas Schwab]

On Dez 04 2018, Anup Patel <anup@xxxxxxxxxxxxxx> wrote:

> This patchset adds RISC-V SBI earlycon and removes RISC-V EARLY_PRINTK.
>
> We should use earlycon over existing EARLY_PRINTK for SBI console because:
> 1. It's a more generic way of implementing early console for debugging
> 2. Current RISC-V EARLY_PRINTK is a compile-time option whereas earlycon
>    is enabled at run-time via kernel parameters.
> 3. To use earlycon with SBI, we have to pass "earlycon=sbi" in kernel
>    parameters. If earlycon kernel parameter is not provided then kernel
>    boots much faster which is very useful in real-world RISC-V deployments.

Why doesn't this earlycon disable itself when the real console kicks in?

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@xxxxxxx
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."