linux-kernel - Re: [PATCH] efi/libstub: EFI_GENERIC_STUB_INITRD_CMDLINE

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Date:   Thu, 9 Jul 2020 09:44:51 +0300
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] efi/libstub: EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER
 should not default to yes

On Thu, 25 Jun 2020 at 19:11, Ard Biesheuvel <ardb@...nel.org> wrote:
>
> On Tue, 23 Jun 2020 at 17:09, Geert Uytterhoeven
> <geert+renesas@...der.be> wrote:
> >
> > EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER is deprecated, so it should not
> > be enabled by default.
> >
> > In light of commit 4da0b2b7e67524cc ("efi/libstub: Re-enable command
> > line initrd loading for x86"), keep the default for X86.
> >
> > Fixes: cf6b83664895a5c7 ("efi/libstub: Make initrd file loader configurable")
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> Queued as a fix, thanks.
>

I am going to have to postpone this one - it appears kernelCI uses
QEMU firmware that does not implement the new initrd loading protocol
yet, so I will need to get that fixed first.


> > ---
> >  drivers/firmware/efi/Kconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
> > index e6fc022bc87e03ab..56055c61904e49f4 100644
> > --- a/drivers/firmware/efi/Kconfig
> > +++ b/drivers/firmware/efi/Kconfig
> > @@ -127,7 +127,7 @@ config EFI_ARMSTUB_DTB_LOADER
> >  config EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER
> >         bool "Enable the command line initrd loader" if !X86
> >         depends on EFI_STUB && (EFI_GENERIC_STUB || X86)
> > -       default y
> > +       default y if X86
> >         help
> >           Select this config option to add support for the initrd= command
> >           line parameter, allowing an initrd that resides on the same volume
> > --
> > 2.17.1
> >