46 lines
1.2 KiB
Diff
46 lines
1.2 KiB
Diff
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From 88d497212226cd63501e79e5031c6fca843e46a1 Mon Sep 17 00:00:00 2001
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From: Ion Agorria <ion@agorria.com>
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Date: Sat, 19 Jan 2019 12:07:10 +0100
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Subject: [PATCH] Cancel dm-setup if skip_initramfs is not present
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dm parameter might interfere on linux booting
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so we only use it when not doing a normal boot.
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---
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init/do_mounts_dm.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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diff --git a/init/do_mounts_dm.c b/init/do_mounts_dm.c
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index ecda58df9a19..53cda0b0317b 100644
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--- a/init/do_mounts_dm.c
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+++ b/init/do_mounts_dm.c
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@@ -272,6 +272,15 @@ parse_fail:
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return 1;
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}
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+static int __initdata skip_initramfs;
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+static int __init skip_initramfs_param(char *str)
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+{
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+ if (*str) return 0;
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+ skip_initramfs = 1;
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+ return 0;
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+}
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+__setup("skip_initramfs", skip_initramfs_param);
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+
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/*
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* Parse the command-line parameters given our kernel, but do not
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* actually try to invoke the DM device now; that is handled by
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@@ -283,6 +292,10 @@ parse_fail:
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static int __init dm_setup(char *str)
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{
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+ if (skip_initramfs) {
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+ printk(KERN_INFO "dm: skip_initramfs present, ignoring dm setup\n");
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+ return 1;
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+ }
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dm_setup_args_init();
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str = dm_setup_parse_device_args(str);
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--
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2.19.2
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