Re: [PATCH -fixes 2/2] riscv: Do not set initial_boot_params to the linear address of the dtb

From: Conor Dooley
Date: Wed Mar 29 2023 - 04:15:35 EST


On Wed, Mar 29, 2023 at 10:09:13AM +0200, Alexandre Ghiti wrote:
> On 3/27/23 13:16, Conor Dooley wrote:
> > On Thu, Mar 23, 2023 at 05:33:47PM +0100, Alexandre Ghiti wrote:
> > > diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
> > > index 542eed85ad2c..a059b73f4ddb 100644
> > > --- a/arch/riscv/kernel/setup.c
> > > +++ b/arch/riscv/kernel/setup.c
> > > @@ -278,10 +278,7 @@ void __init setup_arch(char **cmdline_p)
> > > #if IS_ENABLED(CONFIG_BUILTIN_DTB)
> > > unflatten_and_copy_device_tree();
> > > #else
> > > - if (early_init_dt_verify(__va(XIP_FIXUP(dtb_early_pa))))
>
> > btw, how come it is safe now to drop this? This feels like a separate
> > change that should be its own commit, no?
>
>
> It is safe because early_init_dt_verify is already called in parse_dtb and

Yah, that's what I figured. Cool.

> since the dtb address does not change anymore, no need to reset
> initial_boot_params. So I'll split this one, thanks.

Worth noting the point at which this became redundant in your commit
message when you do.

Thanks,
Conor.

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