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From:   Ard Biesheuvel <ardb@kernel.org>
Date:   Wed, 1 Jul 2020 17:24:21 +0200
Message-ID: <CAMj1kXFm+HVORRtTWJtVKorE8rDJGi6FDOr2ZXSA3+ZG4u=LnQ@mail.gmail.com>
Subject: Re: [patch 09/13] Remove efi=old_map command line option
To:     Steve Wahl <steve.wahl@hpe.com>
Cc:     Jonathan Corbet <corbet@lwn.net>,
        Thomas Gleixner <tglx@linutronix.de>,
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On Wed, 1 Jul 2020 at 16:18, <steve.wahl@hpe.com> wrote:
>
> As a part of UV1 platform removal, delete the efi=old_map option,
> which should no longer be needed.
>
> Signed-off-by: Steve Wahl <steve.wahl@hpe.com>

Noting that the diffstat does not reflect the patch, but this is
explained in the cover letter.

Acked-by: Ard Biesheuvel <ardb@kernel.org>

> ---
>  Documentation/admin-guide/kernel-parameters.txt |    4 +---
>  arch/x86/platform/uv/bios_uv.c                  |   14 --------------
>  2 files changed, 1 insertion(+), 17 deletions(-)
>
> --- linux.orig/arch/x86/platform/uv/bios_uv.c   2020-06-18 16:26:33.963087219 -0500
> +++ linux/arch/x86/platform/uv/bios_uv.c        2020-06-25 09:53:43.013835162 -0500
> @@ -356,17 +356,3 @@ void __iomem *__init efi_ioremap(unsigne
>
>         return (void __iomem *)__va(phys_addr);
>  }
> -
> -static int __init arch_parse_efi_cmdline(char *str)
> -{
> -       if (!str) {
> -               pr_warn("need at least one option\n");
> -               return -EINVAL;
> -       }
> -
> -       if (!efi_is_mixed() && parse_option_str(str, "old_map"))
> -               set_bit(EFI_UV1_MEMMAP, &efi.flags);
> -
> -       return 0;
> -}
> -early_param("efi", arch_parse_efi_cmdline);
>