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d3ceae4bfd
- 20-grub-install: Don't add an id field to generated BLS snippets - 99-grub-mkconfig: Disable BLS usage for Xen machines Resolves: rhbz#1703700 - Don't add a class option to menu entries generated for ppc64le Resolves: rhbz#1758225 - 10_linux.in: Also use GRUB_CMDLINE_LINUX_DEFAULT to set kernelopts - blscfg: Don't hardcode an env var as fallback for the BLS options field Resolves: rhbz#1710483 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
63 lines
2.7 KiB
Diff
63 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Mon, 14 Oct 2019 17:37:26 +0200
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Subject: [PATCH] blscfg: Don't hardcode an env var as fallback for the BLS
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options field
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If the BLS fragments don't have an options field or if this was set to an
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environment variable that was not defined in the grubenv file, the blscfg
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module searches for an default_kernelopts variable that is defined in the
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grub.cfg file.
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But the blscfg module shouldn't hardcode fallbacks variables and instead
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this logic should be handled in the GRUB config file itself.
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Also, add a comment explaining where the kernelopts variable is supposed
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to be defined and what is the process for the user to change its value.
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Resolves: rhbz#1710483
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 4 ----
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util/grub.d/10_linux.in | 12 +++++++++++-
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2 files changed, 11 insertions(+), 5 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index 1ec89870483..471975fd2e5 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -733,10 +733,6 @@ static void create_entry (struct bls_entry *entry)
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title = bls_get_val (entry, "title", NULL);
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options = expand_val (bls_get_val (entry, "options", NULL));
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-
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- if (!options)
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- options = expand_val (grub_env_get("default_kernelopts"));
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-
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initrds = bls_make_list (entry, "initrd", NULL);
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devicetree = expand_val (bls_get_val (entry, "devicetree", NULL));
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 0471464e68e..21a6915dca3 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -118,7 +118,17 @@ if [ "x${GRUB_ENABLE_BLSCFG}" = "xtrue" ]; then
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populate_header_warn
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cat << EOF
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-set default_kernelopts="root=${LINUX_ROOT_DEVICE} ro ${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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+# The kernelopts variable should be defined in the grubenv file. But to ensure that menu
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+# entries populated from BootLoaderSpec files that use this variable work correctly even
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+# without a grubenv file, define a fallback kernelopts variable if this has not been set.
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+#
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+# The kernelopts variable in the grubenv file can be modified using the grubby tool or by
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+# executing the grub2-mkconfig tool. For the latter, the values of the GRUB_CMDLINE_LINUX
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+# and GRUB_CMDLINE_LINUX_DEFAULT options from /etc/default/grub file are used to set both
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+# the kernelopts variable in the grubenv file and the fallback kernelopts variable.
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+if [ -z "\${kernelopts}" ]; then
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+ set kernelopts="root=${LINUX_ROOT_DEVICE} ro ${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
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+fi
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insmod blscfg
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blscfg
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