linux-kernel - [patch v2 09/13] x86: Remove efi=old

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Date:   Thu, 09 Jul 2020 09:54:56 -0500
From:   steve.wahl@....com
To:     Steve Wahl <steve.wahl@....com>, Jonathan Corbet <corbet@....net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Juergen Gross <jgross@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Oliver Neukum <oneukum@...e.com>,
        Mike Travis <mike.travis@....com>,
        Dimitri Sivanich <dimitri.sivanich@....com>,
        Benjamin Thiel <b.thiel@...teo.de>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        James Morris <jmorris@...ei.org>,
        David Howells <dhowells@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        Dave Young <dyoung@...hat.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Austin Kim <austindh.kim@...il.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-efi@...r.kernel.org
Cc:     Russ Anderson <rja@....com>
Subject: [patch v2 09/13] x86: Remove efi=old_map command line option

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@....com>
---
 arch/x86/platform/uv/bios_uv.c |   14 --------------
 1 file changed, 14 deletions(-)

--- linux.orig/arch/x86/platform/uv/bios_uv.c	2020-07-07 10:49:50.117510557 -0500
+++ linux/arch/x86/platform/uv/bios_uv.c	2020-07-07 10:56:15.025045961 -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);